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principal fluid systems engineer
Probe Engineer
Astera Institute Alameda, California
Job Description Job Description About Astera Astera is a private foundation on a mission to steer science and technology toward a better future. We believe the coming years will bring an era of unprecedented scientific and technological advancement as exponential progress in AI converges with central advances in other fields to accelerate innovation. This inflection point provides an unparalleled opportunity to fundamentally rethink the institutions, systems, and tools that drive progress. We have committed a $3.5B endowment to that work and fit the form of our support to the function it serves: grants, investments, and in-house research programs. We accept meaningful risk in the research we back and expect some of it to fail because transformative ideas are rarely the ones already proven. Our projects, and the foundation itself, operate like high-velocity startups, with a high performance bar and competitive compensation to match. We are searching for leaders who are compelled by the challenge of driving high-impact change in the way science is funded, conducted, and communicated. You can read more about our mission, vision, and programming at astera.org/vision. About Astera Neuro Astera Neuro seeks to understand and engineer consciousness. We believe consciousness is the process by which the brain builds a coherent internal model of the world and the self. We aim to understand this model and to develop the technologies to write experience directly into the brain. By combining large-scale neural recording, causal perturbation, and brain-based AI, we seek to move neuroscience from observing correlates of experience to engineering it. The same tools carry direct therapeutic promise for neurological and psychiatric diseases that alter perception, thought, and sense of self. Because the science and tools required do not yet exist, we are assembling a founding team of neuroscientists, theorists, and engineers to create them. We do high-risk, high-reward science in a well-resourced, collaborative environment with competitive pay, and share everything openly under Astera's Open Science Policy. Position Summary Working closely with our experimental, surgical, and software teams, probe engineers here design and build the recording hardware - the probes, insertion mechanisms, and robotics that determine how much of the brain we can see, and how well. The role spans three tightly coupled problems: the probe (thin, flexible, high-density electrode arrays), the needle (the micro-machined tool that carries a probe past the meninges without damaging it or the tissue), and the robot (the precision system that places many probes quickly, accurately, and repeatedly while avoiding vasculature). You will move fluidly across mechanical design, microfabrication, and control, and you will own hardware from initial concept through benchtop validation and into the recording rig. We are hiring at multiple levels. As an Engineer, you will lead well-defined hardware projects with regular guidance. As a Senior Engineer, you will own hardware lines end-to-end, drive design decisions, and set fabrication and test strategy. As a Principal Engineer, you will define the probe and robotics roadmap, mentor engineers, and shape how mechanical, fabrication, and control work fit together at Astera. We will calibrate scope and title to your experience. What You'll Do Design flexible, high-density neural probes; thin-film polymer arrays (polyimide, Parylene C, or comparable) patterned with hundreds to thousands of microelectrodes, from layout through fabrication and encapsulation. Build probe-to-chip integration and the readout signal chain, bonding high-density electrode arrays to amplifier and acquisition electronics, and developing the low-noise front-end that amplifies, digitizes, and streams microvolt neural signals to the acquisition system. Design insertion needles and needle-pincher mechanisms; micro-machined and electrochemically etched tools that grasp, insert, and release flexible probes at micron-scale placement accuracy. Develop insertion strategies that solve the hard mechanics of putting a flexible thread into soft tissue; managing bending stiffness and buckling, temporarily stiffening the probe for insertion, and mitigating the forces that build up across many closely spaced insertions. Build a precision insertion robot; multi-axis motion, servo and linear-motor drives, and the real-time control that makes placement fast, accurate, and repeatable. Develop machine-vision guidance for the robot; imaging and computer vision that locate targets, guide the needle to them, and avoid surface vasculature during insertion. Build electrode characterization and process pipelines, impedance and electrochemistry (e.g., Pt, PEDOT coatings), yield, and reliability testing that turn a working prototype into a manufacturable part. Who You Are Required: Strong hands-on engineering across mechanical design and prototyping; you move fluently between CAD, the machine shop, and the benchtop. Experience building precision electromechanical or robotic systems (multi-axis motion, servo/linear-motor control, tight tolerance stacks). Familiarity with microfabrication and thin-film processes (photolithography, deposition, etching, cleanroom work), or a demonstrated ability to pick them up fast. Comfort with real-time control and the software that drives hardware (Python plus C/C++ or comparable; embedded, FPGA, or RTOS a plus). Working knowledge of the signal-acquisition chain - how low-level analog signals are amplified, digitized, and acquired - and comfort collaborating with electronics engineers on it. Genuine interest in building instruments for neuroscience, and in the tissue-mechanics constraints that make this problem hard. Preferred/Nice to Have: Flexible/thin-film electrode microfabrication (polyimide, Parylene C, PDMS) and electrode electrochemistry. Micro-machining and electrochemical etching of fine metal tooling (e.g., tungsten, tungsten-rhenium). Low-noise analog/mixed-signal front-end design for recording microvolt-scale signals (amplification, filtering, multiplexing, digitization). High-density interconnect and packaging; bonding fine-pitch electrode arrays to electronics (e.g., flip-chip, wire bonding, ACF, or comparable). Precision motion control, machine vision, or real-time closed-loop robotics. Surgical or medical-device hardware, including sterilization, sterile workflow, and design under regulatory constraints. Neural interfaces, MEMS sensors, or other implantable devices. Contributions to open-source hardware, instrumentation, or scientific-computing projects. Additionally Expected at Senior / Principal Level A track record of taking hardware from concept to working, validated device; owning design tradeoffs, fabrication, and test. Experience making and defending tradeoffs across precision, reliability, manufacturability, and biocompatibility. Comfort working across the stack, from mechanical design and fabrication to control software and system integration. A history of mentoring engineers or leading technical initiatives (Principal level). Education PhD with 3 to 12+ years of experience. Backgrounds in mechanical, electrical, biomedical, or materials engineering, mechatronics, robotics, applied physics, MEMS/microfabrication, or related fields are all welcome. Graduate work or research experience is a plus but not required. We value demonstrated skill and relevant experience above credentials. Compensation The posted salary range is based on location in the Bay Area. The successful candidate will receive a competitive compensation package, commensurate with their experience and location. Why Join Us Astera Neuro is hiring a probe engineer to design the flexible neural probes, insertion needles, and precision robotics that make large-scale recording possible: devices that place thousands of electrodes with micron precision while sparing the tissue around them. If you want to build the physical instrument at the heart of a new neuroscience, let's talk. Astera Neuro provides a comprehensive benefits package and total compensation that is competitive and commensurate with the level of experience and qualifications. We are an equal opportunity employer and value diversity and inclusion! Compensation Range: $200K - $350K
10/08/2026
Full time
Job Description Job Description About Astera Astera is a private foundation on a mission to steer science and technology toward a better future. We believe the coming years will bring an era of unprecedented scientific and technological advancement as exponential progress in AI converges with central advances in other fields to accelerate innovation. This inflection point provides an unparalleled opportunity to fundamentally rethink the institutions, systems, and tools that drive progress. We have committed a $3.5B endowment to that work and fit the form of our support to the function it serves: grants, investments, and in-house research programs. We accept meaningful risk in the research we back and expect some of it to fail because transformative ideas are rarely the ones already proven. Our projects, and the foundation itself, operate like high-velocity startups, with a high performance bar and competitive compensation to match. We are searching for leaders who are compelled by the challenge of driving high-impact change in the way science is funded, conducted, and communicated. You can read more about our mission, vision, and programming at astera.org/vision. About Astera Neuro Astera Neuro seeks to understand and engineer consciousness. We believe consciousness is the process by which the brain builds a coherent internal model of the world and the self. We aim to understand this model and to develop the technologies to write experience directly into the brain. By combining large-scale neural recording, causal perturbation, and brain-based AI, we seek to move neuroscience from observing correlates of experience to engineering it. The same tools carry direct therapeutic promise for neurological and psychiatric diseases that alter perception, thought, and sense of self. Because the science and tools required do not yet exist, we are assembling a founding team of neuroscientists, theorists, and engineers to create them. We do high-risk, high-reward science in a well-resourced, collaborative environment with competitive pay, and share everything openly under Astera's Open Science Policy. Position Summary Working closely with our experimental, surgical, and software teams, probe engineers here design and build the recording hardware - the probes, insertion mechanisms, and robotics that determine how much of the brain we can see, and how well. The role spans three tightly coupled problems: the probe (thin, flexible, high-density electrode arrays), the needle (the micro-machined tool that carries a probe past the meninges without damaging it or the tissue), and the robot (the precision system that places many probes quickly, accurately, and repeatedly while avoiding vasculature). You will move fluidly across mechanical design, microfabrication, and control, and you will own hardware from initial concept through benchtop validation and into the recording rig. We are hiring at multiple levels. As an Engineer, you will lead well-defined hardware projects with regular guidance. As a Senior Engineer, you will own hardware lines end-to-end, drive design decisions, and set fabrication and test strategy. As a Principal Engineer, you will define the probe and robotics roadmap, mentor engineers, and shape how mechanical, fabrication, and control work fit together at Astera. We will calibrate scope and title to your experience. What You'll Do Design flexible, high-density neural probes; thin-film polymer arrays (polyimide, Parylene C, or comparable) patterned with hundreds to thousands of microelectrodes, from layout through fabrication and encapsulation. Build probe-to-chip integration and the readout signal chain, bonding high-density electrode arrays to amplifier and acquisition electronics, and developing the low-noise front-end that amplifies, digitizes, and streams microvolt neural signals to the acquisition system. Design insertion needles and needle-pincher mechanisms; micro-machined and electrochemically etched tools that grasp, insert, and release flexible probes at micron-scale placement accuracy. Develop insertion strategies that solve the hard mechanics of putting a flexible thread into soft tissue; managing bending stiffness and buckling, temporarily stiffening the probe for insertion, and mitigating the forces that build up across many closely spaced insertions. Build a precision insertion robot; multi-axis motion, servo and linear-motor drives, and the real-time control that makes placement fast, accurate, and repeatable. Develop machine-vision guidance for the robot; imaging and computer vision that locate targets, guide the needle to them, and avoid surface vasculature during insertion. Build electrode characterization and process pipelines, impedance and electrochemistry (e.g., Pt, PEDOT coatings), yield, and reliability testing that turn a working prototype into a manufacturable part. Who You Are Required: Strong hands-on engineering across mechanical design and prototyping; you move fluently between CAD, the machine shop, and the benchtop. Experience building precision electromechanical or robotic systems (multi-axis motion, servo/linear-motor control, tight tolerance stacks). Familiarity with microfabrication and thin-film processes (photolithography, deposition, etching, cleanroom work), or a demonstrated ability to pick them up fast. Comfort with real-time control and the software that drives hardware (Python plus C/C++ or comparable; embedded, FPGA, or RTOS a plus). Working knowledge of the signal-acquisition chain - how low-level analog signals are amplified, digitized, and acquired - and comfort collaborating with electronics engineers on it. Genuine interest in building instruments for neuroscience, and in the tissue-mechanics constraints that make this problem hard. Preferred/Nice to Have: Flexible/thin-film electrode microfabrication (polyimide, Parylene C, PDMS) and electrode electrochemistry. Micro-machining and electrochemical etching of fine metal tooling (e.g., tungsten, tungsten-rhenium). Low-noise analog/mixed-signal front-end design for recording microvolt-scale signals (amplification, filtering, multiplexing, digitization). High-density interconnect and packaging; bonding fine-pitch electrode arrays to electronics (e.g., flip-chip, wire bonding, ACF, or comparable). Precision motion control, machine vision, or real-time closed-loop robotics. Surgical or medical-device hardware, including sterilization, sterile workflow, and design under regulatory constraints. Neural interfaces, MEMS sensors, or other implantable devices. Contributions to open-source hardware, instrumentation, or scientific-computing projects. Additionally Expected at Senior / Principal Level A track record of taking hardware from concept to working, validated device; owning design tradeoffs, fabrication, and test. Experience making and defending tradeoffs across precision, reliability, manufacturability, and biocompatibility. Comfort working across the stack, from mechanical design and fabrication to control software and system integration. A history of mentoring engineers or leading technical initiatives (Principal level). Education PhD with 3 to 12+ years of experience. Backgrounds in mechanical, electrical, biomedical, or materials engineering, mechatronics, robotics, applied physics, MEMS/microfabrication, or related fields are all welcome. Graduate work or research experience is a plus but not required. We value demonstrated skill and relevant experience above credentials. Compensation The posted salary range is based on location in the Bay Area. The successful candidate will receive a competitive compensation package, commensurate with their experience and location. Why Join Us Astera Neuro is hiring a probe engineer to design the flexible neural probes, insertion needles, and precision robotics that make large-scale recording possible: devices that place thousands of electrodes with micron precision while sparing the tissue around them. If you want to build the physical instrument at the heart of a new neuroscience, let's talk. Astera Neuro provides a comprehensive benefits package and total compensation that is competitive and commensurate with the level of experience and qualifications. We are an equal opportunity employer and value diversity and inclusion! Compensation Range: $200K - $350K
Lead / Principal Process ML Engineer
Koh Young America, Inc. San Diego, California
Job Description Job Description Lead / Principal Process ML Engineer Job Title: Lead / Principal Process ML Engineer Job Type: Full-time Location: San Diego, CA Summary We are building AI platforms that run on real factory floors, predicting, optimizing, and controlling manufacturing processes in real time. This role is needed to expand our process optimization capability - we need a technical leader who can own the full lifecycle of ML-driven process optimization products, from causal modeling to productization and customer deployment. Currently there is no dedicated technical lead for this product area, and growing customer demand requires a senior leader to set the technical vision and drive execution. Roles and Responsibilities Own the technical direction for key projects - set vision, define what to build, manage priorities, and be accountable for delivery Lead development of ML-driven process optimization products - from causal modeling to productization and customer deployment Make architecture decisions: select modeling approaches, define system boundaries, and evaluate trade-offs between physical fidelity, inference speed, and product constraints Define modeling strategy - decide which physics to encode, which architectures to use, and how to validate against real process data Drive architecture reviews and technical decision-making across the process optimization team Hire, mentor, and grow engineers - build a high-performing team through hiring, code reviews, and technical coaching Coordinate across HQ (Seoul) and overseas R&D labs - aligning research with product roadmaps across time zones Own production-grade delivery - models must run reliably inside equipment operating 24/7 on customer lines Requirements Doctorate (Ph.D.) Mechanical Engineering, Physics, Computer Science, Electrical Engineering, or a related field 8+ years of industry experience post-Ph.D. Proven track record of shipping process optimization or control products from problem definition through customer-facing deployment Experience leading a technical team - setting direction, managing delivery, and making architecture decisions Strong physics foundation (fluid dynamics, thermodynamics, heat transfer, mechanics) Strong ML skills (PyTorch, custom architectures, PINNs, neural operators, surrogate models) Ability to bridge physics and product - translate process understanding into model design and product features Comfort with ambiguity: able to define the problem and the approach, not just execute a spec Experience shipping ML-driven process optimization or control products in an industry setting Experience leading or managing a technical team (ML or applied science) Experience with production software systems - ML integration, data pipelines, deployment infrastructure Preferred Requirements Prior role as Tech Lead, Staff Engineer, or Team Lead in an ML or applied science team Experience productizing process optimization as a commercial product deployed on customer sites Hands-on manufacturing process experience - semiconductor, SMT, electronics assembly, or precision manufacturing Experience coordinating technical direction across distributed teams (HQ + overseas R&D) Published work in scientific machine learning, computational physics, or neural operators Experience with SPC, Cpk analysis, or 3D inspection/metrology systems Benefits • Health/Dental/Vision/Life Insurance at no employee premium (including dependent coverage) • 401K retirement plan with 5% matching • Generous PTO and paid holidays
10/08/2026
Full time
Job Description Job Description Lead / Principal Process ML Engineer Job Title: Lead / Principal Process ML Engineer Job Type: Full-time Location: San Diego, CA Summary We are building AI platforms that run on real factory floors, predicting, optimizing, and controlling manufacturing processes in real time. This role is needed to expand our process optimization capability - we need a technical leader who can own the full lifecycle of ML-driven process optimization products, from causal modeling to productization and customer deployment. Currently there is no dedicated technical lead for this product area, and growing customer demand requires a senior leader to set the technical vision and drive execution. Roles and Responsibilities Own the technical direction for key projects - set vision, define what to build, manage priorities, and be accountable for delivery Lead development of ML-driven process optimization products - from causal modeling to productization and customer deployment Make architecture decisions: select modeling approaches, define system boundaries, and evaluate trade-offs between physical fidelity, inference speed, and product constraints Define modeling strategy - decide which physics to encode, which architectures to use, and how to validate against real process data Drive architecture reviews and technical decision-making across the process optimization team Hire, mentor, and grow engineers - build a high-performing team through hiring, code reviews, and technical coaching Coordinate across HQ (Seoul) and overseas R&D labs - aligning research with product roadmaps across time zones Own production-grade delivery - models must run reliably inside equipment operating 24/7 on customer lines Requirements Doctorate (Ph.D.) Mechanical Engineering, Physics, Computer Science, Electrical Engineering, or a related field 8+ years of industry experience post-Ph.D. Proven track record of shipping process optimization or control products from problem definition through customer-facing deployment Experience leading a technical team - setting direction, managing delivery, and making architecture decisions Strong physics foundation (fluid dynamics, thermodynamics, heat transfer, mechanics) Strong ML skills (PyTorch, custom architectures, PINNs, neural operators, surrogate models) Ability to bridge physics and product - translate process understanding into model design and product features Comfort with ambiguity: able to define the problem and the approach, not just execute a spec Experience shipping ML-driven process optimization or control products in an industry setting Experience leading or managing a technical team (ML or applied science) Experience with production software systems - ML integration, data pipelines, deployment infrastructure Preferred Requirements Prior role as Tech Lead, Staff Engineer, or Team Lead in an ML or applied science team Experience productizing process optimization as a commercial product deployed on customer sites Hands-on manufacturing process experience - semiconductor, SMT, electronics assembly, or precision manufacturing Experience coordinating technical direction across distributed teams (HQ + overseas R&D) Published work in scientific machine learning, computational physics, or neural operators Experience with SPC, Cpk analysis, or 3D inspection/metrology systems Benefits • Health/Dental/Vision/Life Insurance at no employee premium (including dependent coverage) • 401K retirement plan with 5% matching • Generous PTO and paid holidays
Principal Thermal Systems Engineer, Data Center Liquid Cooling (Industry Expert)
Axiom Path Lexington, North Carolina
Job Description Job Description Be Part Of A High-Performing Team Join a global climate technology organization developing advanced thermal solutions for high-density data centers and the broader semiconductor ecosystem. This team operates at the intersection of mechanical engineering, liquid cooling, controls, system integration, and product commercialization. The organization is expanding its data center capabilities to support next-generation computing environments with reliable, scalable, and energy-efficient cooling architectures. Team members collaborate with engineering leaders, product teams, customers, consultants, and industry organizations to transform emerging technologies into practical commercial solutions. This opportunity is designed for an experienced data center thermal professional who can bring immediate technical credibility, influence system direction, and communicate effectively with customers and senior stakeholders. What's In Store For You A highly visible role supporting advanced data center cooling initiatives The opportunity to influence next-generation liquid cooling architectures Remote flexibility for highly qualified candidates Collaboration with senior engineering, product, commercial, and customer teams Participation in industry associations, technical committees, conferences, and standards development Exposure to system design, simulation, validation, commissioning, and commercialization Opportunities to mentor technical professionals and shape long-term engineering strategy Comprehensive health, retirement, family-building, educational, wellness, and paid-time-off programs Travel support for qualified candidates attending onsite interviews in Davidson, North Carolina How You Will Make An Impact Serve as a subject matter expert for advanced data center thermal management and liquid cooling systems. Develop integrated cooling concepts spanning chips, racks, coolant distribution units, facility water systems, controls, and heat rejection. Evaluate system architectures, equipment capabilities, operating modes, control strategies, and performance tradeoffs. Perform or guide thermal analysis, computational fluid dynamics, modeling, simulation, and equipment evaluation. Develop system documentation, piping concepts, mode tables, control requirements, and sequences of operation. Support system validation through digital analysis, laboratory testing, commissioning, and field evaluation. Collaborate with product teams, technical specialists, consultants, customers, and commercial leaders. Provide technical guidance during strategic customer pursuits and system commercialization efforts. Deliver technical presentations to customers, leadership teams, sales organizations, and industry audiences. Participate in organizations such as ASHRAE, the Open Compute Project, IEEE, or other relevant standards groups. Translate emerging cooling technologies into reliable, scalable, and market-ready solutions. Do You Have the Expertise to Lead in Data Center Thermal Systems? Bachelor's degree in mechanical engineering, thermal sciences, controls engineering, or a closely related discipline. At least eight years of relevant engineering, system integration, or technical product experience. Direct professional experience supporting data centers, mission-critical facilities, or data center cooling products. Demonstrated experience with liquid cooling technologies such as direct-to-chip cooling, immersion cooling, coolant distribution units, or facility water systems. Strong understanding of thermal-fluid systems, HVAC equipment, cooling infrastructure, controls, and heat rejection. Ability to evaluate complete thermal management systems rather than individual components. Experience with CFD, ANSYS, thermal modeling, fluid modeling, or system simulation is strongly preferred. Absorption cooling experience is highly valued. Experience developing system modes, control requirements, or sequences of operation is preferred. Commissioning, field validation, troubleshooting, or facility integration experience is strongly valued. Strong customer-facing, presentation, written, and verbal communication skills. Ability to explain complex technical topics clearly to both engineering and business audiences. Experience influencing technical direction across multiple teams and stakeholders. Professional Engineer licensure, advanced technical education, or industry committee participation is beneficial but not required. Willingness to travel domestically and internationally as needed.
10/07/2026
Full time
Job Description Job Description Be Part Of A High-Performing Team Join a global climate technology organization developing advanced thermal solutions for high-density data centers and the broader semiconductor ecosystem. This team operates at the intersection of mechanical engineering, liquid cooling, controls, system integration, and product commercialization. The organization is expanding its data center capabilities to support next-generation computing environments with reliable, scalable, and energy-efficient cooling architectures. Team members collaborate with engineering leaders, product teams, customers, consultants, and industry organizations to transform emerging technologies into practical commercial solutions. This opportunity is designed for an experienced data center thermal professional who can bring immediate technical credibility, influence system direction, and communicate effectively with customers and senior stakeholders. What's In Store For You A highly visible role supporting advanced data center cooling initiatives The opportunity to influence next-generation liquid cooling architectures Remote flexibility for highly qualified candidates Collaboration with senior engineering, product, commercial, and customer teams Participation in industry associations, technical committees, conferences, and standards development Exposure to system design, simulation, validation, commissioning, and commercialization Opportunities to mentor technical professionals and shape long-term engineering strategy Comprehensive health, retirement, family-building, educational, wellness, and paid-time-off programs Travel support for qualified candidates attending onsite interviews in Davidson, North Carolina How You Will Make An Impact Serve as a subject matter expert for advanced data center thermal management and liquid cooling systems. Develop integrated cooling concepts spanning chips, racks, coolant distribution units, facility water systems, controls, and heat rejection. Evaluate system architectures, equipment capabilities, operating modes, control strategies, and performance tradeoffs. Perform or guide thermal analysis, computational fluid dynamics, modeling, simulation, and equipment evaluation. Develop system documentation, piping concepts, mode tables, control requirements, and sequences of operation. Support system validation through digital analysis, laboratory testing, commissioning, and field evaluation. Collaborate with product teams, technical specialists, consultants, customers, and commercial leaders. Provide technical guidance during strategic customer pursuits and system commercialization efforts. Deliver technical presentations to customers, leadership teams, sales organizations, and industry audiences. Participate in organizations such as ASHRAE, the Open Compute Project, IEEE, or other relevant standards groups. Translate emerging cooling technologies into reliable, scalable, and market-ready solutions. Do You Have the Expertise to Lead in Data Center Thermal Systems? Bachelor's degree in mechanical engineering, thermal sciences, controls engineering, or a closely related discipline. At least eight years of relevant engineering, system integration, or technical product experience. Direct professional experience supporting data centers, mission-critical facilities, or data center cooling products. Demonstrated experience with liquid cooling technologies such as direct-to-chip cooling, immersion cooling, coolant distribution units, or facility water systems. Strong understanding of thermal-fluid systems, HVAC equipment, cooling infrastructure, controls, and heat rejection. Ability to evaluate complete thermal management systems rather than individual components. Experience with CFD, ANSYS, thermal modeling, fluid modeling, or system simulation is strongly preferred. Absorption cooling experience is highly valued. Experience developing system modes, control requirements, or sequences of operation is preferred. Commissioning, field validation, troubleshooting, or facility integration experience is strongly valued. Strong customer-facing, presentation, written, and verbal communication skills. Ability to explain complex technical topics clearly to both engineering and business audiences. Experience influencing technical direction across multiple teams and stakeholders. Professional Engineer licensure, advanced technical education, or industry committee participation is beneficial but not required. Willingness to travel domestically and internationally as needed.
R&D Technician
Accelsius, LLC Austin, Texas
Job Description Job Description R&D Technician Interested in getting in at the ground floor of a new, disruptive company attacking an important multi-billion-dollar problem? As AI, cloud computing, streaming, and IoT applications rapidly expand, data centers are facing unprecedented thermal and power challenges. Accelsius is developing revolutionary direct-to-chip, 2-phase cooling technologies that enable next-generation performance, sustainability, and scalability for Server OEMs, Data Centers, and Edge Computing Operators. Accelsius is looking for a R&D technician to support the design, development and testing of new cooling products and technologies. This position will report directly to the Principal Engineer and the right candidate will be a curious, self-starter, with a great aptitude for electro-mechanical and fluid system problem solving. Role Responsibilities: Assemble, configure, troubleshoot, and maintain lab test setups. Wiring of instrumentation, heaters, power supplies, sensors, etc. Plumbing, filling/discharging, troubleshooting of custom refrigeration systems. Support hardware prototyping, validation testing, and engineering experiments. Assist engineers with experimental setup, data collection, documentation, and troubleshooting activities. Support fabrication, welding, brazing, soldering, and mechanical integration activities as needed. Identify opportunities to improve lab processes, test methodologies, and operational efficiency. Qualifications: Associate's or Bachelor's degree in a technical field preferred, but equivalent practical experience will also be considered. Hands-on experience with hardware assembly, testing, and troubleshooting. Experience using common lab tools, hand tools, and test equipment. Experience with brazing, soldering, or related mechanical assembly techniques preferred. Familiarity with thermal systems, fluid circulation systems, electronics troubleshooting, or instrumentation preferred. HVAC background is highly preferred. Solid modeling and electrical skills are preferred. Additional Qualifications Strong attention to detail and organizational skills. Ability to work independently while collaborating effectively across engineering teams. Comfortable operating in a fast-paced startup environment with evolving priorities. Positive attitude, curious personality, enjoys a variety of work and creating new things. Previous startup, hardware development, or R&D lab experience is a plus. Physical & Work Environment Requirements Ability to lift and move equipment up to 40 pounds. Ability to stand, bend, and work in a lab environment for extended periods. Comfortable working around mechanical, electrical, and fluid-based systems while following lab safety procedures. Accelsius offers a competitive salary with equity, a full range of benefits including medical and dental, 401K, and flexible PTO. The position is based in Austin, Texas. This position includes the responsibilities outlined above and may also encompass additional duties as assigned to meet business and compliance needs. Accelsius does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, marital status, or based on an individual's status in any group or class protected by applicable federal, state or local law. Accelsius encourages applications from minorities, women, the disabled, protected veterans, and all other qualified applicants.
10/06/2026
Full time
Job Description Job Description R&D Technician Interested in getting in at the ground floor of a new, disruptive company attacking an important multi-billion-dollar problem? As AI, cloud computing, streaming, and IoT applications rapidly expand, data centers are facing unprecedented thermal and power challenges. Accelsius is developing revolutionary direct-to-chip, 2-phase cooling technologies that enable next-generation performance, sustainability, and scalability for Server OEMs, Data Centers, and Edge Computing Operators. Accelsius is looking for a R&D technician to support the design, development and testing of new cooling products and technologies. This position will report directly to the Principal Engineer and the right candidate will be a curious, self-starter, with a great aptitude for electro-mechanical and fluid system problem solving. Role Responsibilities: Assemble, configure, troubleshoot, and maintain lab test setups. Wiring of instrumentation, heaters, power supplies, sensors, etc. Plumbing, filling/discharging, troubleshooting of custom refrigeration systems. Support hardware prototyping, validation testing, and engineering experiments. Assist engineers with experimental setup, data collection, documentation, and troubleshooting activities. Support fabrication, welding, brazing, soldering, and mechanical integration activities as needed. Identify opportunities to improve lab processes, test methodologies, and operational efficiency. Qualifications: Associate's or Bachelor's degree in a technical field preferred, but equivalent practical experience will also be considered. Hands-on experience with hardware assembly, testing, and troubleshooting. Experience using common lab tools, hand tools, and test equipment. Experience with brazing, soldering, or related mechanical assembly techniques preferred. Familiarity with thermal systems, fluid circulation systems, electronics troubleshooting, or instrumentation preferred. HVAC background is highly preferred. Solid modeling and electrical skills are preferred. Additional Qualifications Strong attention to detail and organizational skills. Ability to work independently while collaborating effectively across engineering teams. Comfortable operating in a fast-paced startup environment with evolving priorities. Positive attitude, curious personality, enjoys a variety of work and creating new things. Previous startup, hardware development, or R&D lab experience is a plus. Physical & Work Environment Requirements Ability to lift and move equipment up to 40 pounds. Ability to stand, bend, and work in a lab environment for extended periods. Comfortable working around mechanical, electrical, and fluid-based systems while following lab safety procedures. Accelsius offers a competitive salary with equity, a full range of benefits including medical and dental, 401K, and flexible PTO. The position is based in Austin, Texas. This position includes the responsibilities outlined above and may also encompass additional duties as assigned to meet business and compliance needs. Accelsius does not discriminate on the basis of race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, marital status, or based on an individual's status in any group or class protected by applicable federal, state or local law. Accelsius encourages applications from minorities, women, the disabled, protected veterans, and all other qualified applicants.
Principal AI Engineer
Phizenix New York, New York
Job Description Job Description Job description At , we solve the most complex and critical challenges by moving quickly from analysis to action when it really matters; creating value that has a lasting impact on companies, their people, and the communities they serve. We hold ourselves accountable by providing space for authenticity, growth, and equity for everyone. has embraced a hybrid work model to provide flexibility and support work-life integration. Travel is part of this position, but frequency may vary based on client, team, and individual circumstances. Relocation assistance is not available for this position. About the Role The Principal AI Engineer sits at the intersection of software engineering, data science, platform architecture, and AI governance. You will be the technical owner of how AI/ML engineering is designed, built, governed, and shipped across a portfolio of products serving all of domains. This is a hands-on engineering and technical leadership position. You will move fluidly between writing production code, architecting multi-tenant AI services, building internal developer tooling, leading security and governance design, and mentoring engineering teams. Your success is measured by team-level outcomes - scalable patterns that outlast your direct involvement. What You'll Do AI Productization & Platform Engineering Design and own the firm's AI productization & governance playbook, covering service patterns, security/compliance standards, model evaluation rubrics, and production-readiness criteria. Build and maintain reusable internal tooling, including AI service scaffolding, evaluation and monitoring tooling, and data infrastructure - designed for team adoption without ongoing hand-holding. Establish AI agent governance policies covering agent permissions, code execution controls, access to internal systems, and human-in-the-loop enforcement. Partner with Security, Legal, and Compliance to define SOC2/ISO-aligned AI controls, vendor DPA requirements, and prompt data classification policies. Establish standardized deployment patterns using containerization, infrastructure-as-code, and CI/CD pipeline templates reusable across teams. Developer Experience & Engineering Excellence Champion AI-assisted development practices across the engineering org, including LLM-integrated development workflows, test-driven development patterns, and reusable tooling standards that scale across teams. Codify modern software development standards (CI/CD, DevOps, testing, delivery quality) referenced by multiple teams as a baseline for new or re-platformed products. Mentor engineers and tech leads with observable improvement in delivery consistency, design quality, and production readiness rigor. Cross-Functional Leadership & Stakeholder Influence Serve as the go-to technical authority on AI/ML, platform architecture, and engineering practices - regularly consulted by senior stakeholders at the design and strategy stages. Bridge technical and non-technical stakeholders, translating complex architectural decisions, AI risk topics, and platform tradeoffs into clear, actionable guidance. What You'll Need Required 15+ years in software engineering, data science, or a closely related technical field. Bachelor's degree or higher in Computer Science, Engineering, or a related field. Deep expertise in AI/ML frameworks and the Python ecosystem, with hands-on experience deploying models to public cloud infrastructure. Demonstrated experience designing and operating multi-tenant AI services and LLM integrations in production. Proven track record leading microservices architecture - decomposing monoliths, defining service contracts, and operationalizing CI/CD for distributed systems. Strong hands-on command of containerization (Docker), infrastructure-as-code (Terraform), and modern DevOps practices. Substantive experience with AI/LLM security - including prompt injection, data boundary enforcement, model supply chain risk, and AI-specific threat modeling. Strong problem-solving skills, especially in building governance frameworks, evaluation rubrics, and reusable platform patterns at scale. Excellent written and verbal communication skills in English; ability to translate complex technical topics to diverse audiences, including executive stakeholders. Experience with Agile methodologies and cross-functional product team collaboration. Preferred / Additional Qualifications Experience applying AI/ML in business consulting, advisory, or professional services contexts. Familiarity with AI service interface and gateway design patterns, including emerging AI integration protocols. Contributions to open-source AI/ML projects, publications, or active involvement in technical communities. Advanced certifications in AI, deep learning, cloud architecture, or security (e.g., AWS/GCP/Azure ML, CISSP). Experience defining AI compliance controls for SOC2, ISO 27001, or TISAX frameworks. Demonstrated enthusiasm for developer education - writing internal guides, running workshops, or building internal tooling communities. Proficiency in additional languages is a plus (Go, Typescript) Demonstrated ability and enthusiasm to mentor and uplift junior team members or peers Willingness to work outside of normal business hours, and in particular as unique projects/needs arise. Ability to work full time in an office and remote environment; physically able to sit/stand at a computer and work in front of a computer screen for significant portions of the workday Must become familiar with, and promote and abide by, our Core Values as defined by the and foster an inclusive environment with people at all levels of an organization
09/28/2026
Full time
Job Description Job Description Job description At , we solve the most complex and critical challenges by moving quickly from analysis to action when it really matters; creating value that has a lasting impact on companies, their people, and the communities they serve. We hold ourselves accountable by providing space for authenticity, growth, and equity for everyone. has embraced a hybrid work model to provide flexibility and support work-life integration. Travel is part of this position, but frequency may vary based on client, team, and individual circumstances. Relocation assistance is not available for this position. About the Role The Principal AI Engineer sits at the intersection of software engineering, data science, platform architecture, and AI governance. You will be the technical owner of how AI/ML engineering is designed, built, governed, and shipped across a portfolio of products serving all of domains. This is a hands-on engineering and technical leadership position. You will move fluidly between writing production code, architecting multi-tenant AI services, building internal developer tooling, leading security and governance design, and mentoring engineering teams. Your success is measured by team-level outcomes - scalable patterns that outlast your direct involvement. What You'll Do AI Productization & Platform Engineering Design and own the firm's AI productization & governance playbook, covering service patterns, security/compliance standards, model evaluation rubrics, and production-readiness criteria. Build and maintain reusable internal tooling, including AI service scaffolding, evaluation and monitoring tooling, and data infrastructure - designed for team adoption without ongoing hand-holding. Establish AI agent governance policies covering agent permissions, code execution controls, access to internal systems, and human-in-the-loop enforcement. Partner with Security, Legal, and Compliance to define SOC2/ISO-aligned AI controls, vendor DPA requirements, and prompt data classification policies. Establish standardized deployment patterns using containerization, infrastructure-as-code, and CI/CD pipeline templates reusable across teams. Developer Experience & Engineering Excellence Champion AI-assisted development practices across the engineering org, including LLM-integrated development workflows, test-driven development patterns, and reusable tooling standards that scale across teams. Codify modern software development standards (CI/CD, DevOps, testing, delivery quality) referenced by multiple teams as a baseline for new or re-platformed products. Mentor engineers and tech leads with observable improvement in delivery consistency, design quality, and production readiness rigor. Cross-Functional Leadership & Stakeholder Influence Serve as the go-to technical authority on AI/ML, platform architecture, and engineering practices - regularly consulted by senior stakeholders at the design and strategy stages. Bridge technical and non-technical stakeholders, translating complex architectural decisions, AI risk topics, and platform tradeoffs into clear, actionable guidance. What You'll Need Required 15+ years in software engineering, data science, or a closely related technical field. Bachelor's degree or higher in Computer Science, Engineering, or a related field. Deep expertise in AI/ML frameworks and the Python ecosystem, with hands-on experience deploying models to public cloud infrastructure. Demonstrated experience designing and operating multi-tenant AI services and LLM integrations in production. Proven track record leading microservices architecture - decomposing monoliths, defining service contracts, and operationalizing CI/CD for distributed systems. Strong hands-on command of containerization (Docker), infrastructure-as-code (Terraform), and modern DevOps practices. Substantive experience with AI/LLM security - including prompt injection, data boundary enforcement, model supply chain risk, and AI-specific threat modeling. Strong problem-solving skills, especially in building governance frameworks, evaluation rubrics, and reusable platform patterns at scale. Excellent written and verbal communication skills in English; ability to translate complex technical topics to diverse audiences, including executive stakeholders. Experience with Agile methodologies and cross-functional product team collaboration. Preferred / Additional Qualifications Experience applying AI/ML in business consulting, advisory, or professional services contexts. Familiarity with AI service interface and gateway design patterns, including emerging AI integration protocols. Contributions to open-source AI/ML projects, publications, or active involvement in technical communities. Advanced certifications in AI, deep learning, cloud architecture, or security (e.g., AWS/GCP/Azure ML, CISSP). Experience defining AI compliance controls for SOC2, ISO 27001, or TISAX frameworks. Demonstrated enthusiasm for developer education - writing internal guides, running workshops, or building internal tooling communities. Proficiency in additional languages is a plus (Go, Typescript) Demonstrated ability and enthusiasm to mentor and uplift junior team members or peers Willingness to work outside of normal business hours, and in particular as unique projects/needs arise. Ability to work full time in an office and remote environment; physically able to sit/stand at a computer and work in front of a computer screen for significant portions of the workday Must become familiar with, and promote and abide by, our Core Values as defined by the and foster an inclusive environment with people at all levels of an organization
Principal Thermal Systems Engineer, Data Center Liquid Cooling (Industry Expert)
Axiom Path Lexington, North Carolina
Job Description Job Description Be Part Of A High-Performing Team Join a global climate technology organization developing advanced thermal solutions for high-density data centers and the broader semiconductor ecosystem. This team operates at the intersection of mechanical engineering, liquid cooling, controls, system integration, and product commercialization. The organization is expanding its data center capabilities to support next-generation computing environments with reliable, scalable, and energy-efficient cooling architectures. Team members collaborate with engineering leaders, product teams, customers, consultants, and industry organizations to transform emerging technologies into practical commercial solutions. This opportunity is designed for an experienced data center thermal professional who can bring immediate technical credibility, influence system direction, and communicate effectively with customers and senior stakeholders. What's In Store For You A highly visible role supporting advanced data center cooling initiatives The opportunity to influence next-generation liquid cooling architectures Remote flexibility for highly qualified candidates Collaboration with senior engineering, product, commercial, and customer teams Participation in industry associations, technical committees, conferences, and standards development Exposure to system design, simulation, validation, commissioning, and commercialization Opportunities to mentor technical professionals and shape long-term engineering strategy Comprehensive health, retirement, family-building, educational, wellness, and paid-time-off programs Travel support for qualified candidates attending onsite interviews in Davidson, North Carolina How You Will Make An Impact Serve as a subject matter expert for advanced data center thermal management and liquid cooling systems. Develop integrated cooling concepts spanning chips, racks, coolant distribution units, facility water systems, controls, and heat rejection. Evaluate system architectures, equipment capabilities, operating modes, control strategies, and performance tradeoffs. Perform or guide thermal analysis, computational fluid dynamics, modeling, simulation, and equipment evaluation. Develop system documentation, piping concepts, mode tables, control requirements, and sequences of operation. Support system validation through digital analysis, laboratory testing, commissioning, and field evaluation. Collaborate with product teams, technical specialists, consultants, customers, and commercial leaders. Provide technical guidance during strategic customer pursuits and system commercialization efforts. Deliver technical presentations to customers, leadership teams, sales organizations, and industry audiences. Participate in organizations such as ASHRAE, the Open Compute Project, IEEE, or other relevant standards groups. Translate emerging cooling technologies into reliable, scalable, and market-ready solutions. Do You Have the Expertise to Lead in Data Center Thermal Systems? Bachelor's degree in mechanical engineering, thermal sciences, controls engineering, or a closely related discipline. At least eight years of relevant engineering, system integration, or technical product experience. Direct professional experience supporting data centers, mission-critical facilities, or data center cooling products. Demonstrated experience with liquid cooling technologies such as direct-to-chip cooling, immersion cooling, coolant distribution units, or facility water systems. Strong understanding of thermal-fluid systems, HVAC equipment, cooling infrastructure, controls, and heat rejection. Ability to evaluate complete thermal management systems rather than individual components. Experience with CFD, ANSYS, thermal modeling, fluid modeling, or system simulation is strongly preferred. Absorption cooling experience is highly valued. Experience developing system modes, control requirements, or sequences of operation is preferred. Commissioning, field validation, troubleshooting, or facility integration experience is strongly valued. Strong customer-facing, presentation, written, and verbal communication skills. Ability to explain complex technical topics clearly to both engineering and business audiences. Experience influencing technical direction across multiple teams and stakeholders. Professional Engineer licensure, advanced technical education, or industry committee participation is beneficial but not required. Willingness to travel domestically and internationally as needed.
09/28/2026
Full time
Job Description Job Description Be Part Of A High-Performing Team Join a global climate technology organization developing advanced thermal solutions for high-density data centers and the broader semiconductor ecosystem. This team operates at the intersection of mechanical engineering, liquid cooling, controls, system integration, and product commercialization. The organization is expanding its data center capabilities to support next-generation computing environments with reliable, scalable, and energy-efficient cooling architectures. Team members collaborate with engineering leaders, product teams, customers, consultants, and industry organizations to transform emerging technologies into practical commercial solutions. This opportunity is designed for an experienced data center thermal professional who can bring immediate technical credibility, influence system direction, and communicate effectively with customers and senior stakeholders. What's In Store For You A highly visible role supporting advanced data center cooling initiatives The opportunity to influence next-generation liquid cooling architectures Remote flexibility for highly qualified candidates Collaboration with senior engineering, product, commercial, and customer teams Participation in industry associations, technical committees, conferences, and standards development Exposure to system design, simulation, validation, commissioning, and commercialization Opportunities to mentor technical professionals and shape long-term engineering strategy Comprehensive health, retirement, family-building, educational, wellness, and paid-time-off programs Travel support for qualified candidates attending onsite interviews in Davidson, North Carolina How You Will Make An Impact Serve as a subject matter expert for advanced data center thermal management and liquid cooling systems. Develop integrated cooling concepts spanning chips, racks, coolant distribution units, facility water systems, controls, and heat rejection. Evaluate system architectures, equipment capabilities, operating modes, control strategies, and performance tradeoffs. Perform or guide thermal analysis, computational fluid dynamics, modeling, simulation, and equipment evaluation. Develop system documentation, piping concepts, mode tables, control requirements, and sequences of operation. Support system validation through digital analysis, laboratory testing, commissioning, and field evaluation. Collaborate with product teams, technical specialists, consultants, customers, and commercial leaders. Provide technical guidance during strategic customer pursuits and system commercialization efforts. Deliver technical presentations to customers, leadership teams, sales organizations, and industry audiences. Participate in organizations such as ASHRAE, the Open Compute Project, IEEE, or other relevant standards groups. Translate emerging cooling technologies into reliable, scalable, and market-ready solutions. Do You Have the Expertise to Lead in Data Center Thermal Systems? Bachelor's degree in mechanical engineering, thermal sciences, controls engineering, or a closely related discipline. At least eight years of relevant engineering, system integration, or technical product experience. Direct professional experience supporting data centers, mission-critical facilities, or data center cooling products. Demonstrated experience with liquid cooling technologies such as direct-to-chip cooling, immersion cooling, coolant distribution units, or facility water systems. Strong understanding of thermal-fluid systems, HVAC equipment, cooling infrastructure, controls, and heat rejection. Ability to evaluate complete thermal management systems rather than individual components. Experience with CFD, ANSYS, thermal modeling, fluid modeling, or system simulation is strongly preferred. Absorption cooling experience is highly valued. Experience developing system modes, control requirements, or sequences of operation is preferred. Commissioning, field validation, troubleshooting, or facility integration experience is strongly valued. Strong customer-facing, presentation, written, and verbal communication skills. Ability to explain complex technical topics clearly to both engineering and business audiences. Experience influencing technical direction across multiple teams and stakeholders. Professional Engineer licensure, advanced technical education, or industry committee participation is beneficial but not required. Willingness to travel domestically and internationally as needed.
Principal Game Engine Engineer, Platform
Worldscape Technology Inc. Redmond, Washington
Job Description Job Description Worldscape is a cutting-edge platform designed to unify distributed data, sensors, and intelligent agents across cloud, on-prem, and edge environments. By combining geospatial intelligence, physics-based 3D simulation, and reward-driven AI, Worldscape enables organizations to build immersive digital twins for predictive modeling, scenario planning, and adaptive decision-making. With a zero-trust security framework, seamless integration with legacy systems, and robust developer tools, Worldscape empowers rapid deployment of agentic applications that drive resilience and efficiency in sectors like logistics, telecom, defense, and infrastructure. Worldscape is seeking an experienced Principal Game Engine Engineer to join our fast-moving, innovative Platform team. The Principal Game Engine Engineer will participate in the design, implementation, and optimization of the real time physics systems that underpin the simulation in our applications. You will architect scalable physics solutions, integrate tightly with the data fabric, animation, and rendering pipelines, and drive innovation in physics-led simulation techniques to deliver responsive interactions across vehicles, environments, and all other simulation assets. As a Principal Engineer you will set technical directions, mentor engineers, and partner with Platform and Product Management to turn creative vision into performant, shippable features and customer applications. This is an onsite role located in Redmond, WA. Key Attributes: Innovation Mindset: Passion for pushing the boundaries of real-time physics in interactive simulation. Leadership & Mentorship : Ability to guide developers, set technical direction for an area, and enforce best practices. Problem-Solving : Creative and analytical approach to complex simulation challenges. Communication : Clear articulation of technical concepts to non-technical stakeholders. Responsibilities: Own the physics architecture: Define data models, simulation loops, solver strategies, and integration points across engine and simulation systems. Deliver core physics features: Collision detection (broad phase/narrow phase), entity controllers, vehicle dynamics with an emphasis on orbital mechanics, particles/fluid mechanics (with an emphasis on atmospheric dynamics). Integrate with simulation logic (gameplay) & animation: Build physics driven interactions, authoring tools, and runtime hooks (e.g., inverse kinematics, state machines, event systems). Performance ownership: Profile, optimize, and budget frame time and memory across platforms; lead multi-threading/Job System/SIMD efforts; evaluate GPU compute opportunities. Stability & robustness: Establish test suites, golden scenarios, and verification and validation practices; reduce edge case instability (stacking, tunneling, jitter, constraint drift). Tooling & workflow: Build/debug tools, visualizers, probes, and authoring pipelines that accelerate designer iteration and QA efficiency. Cross functional leadership: Partner with back-end, AI, data pipeline, and platform teams; communicate constraints/trade offs; align milestones with production. Mentorship & standards: Guide engineers via reviews, design docs, and coding standards; cultivate a high bar for craft, documentation, and reproducibility. Quality & live support: Own crash triage and regression control for physics; support content changes post launch without destabilizing the simulation. Professional Qualifications: Education: BS/MS in Computer Science, Software Engineering, Physics, Mathematics (or equivalent practical experience). Experience: 10+ years in real time/game physics engineering; 2+ shipped titles with substantial physics ownership (AA/AAA preferred). Programming: Expert C++ (modern standards), data oriented design, memory management, profiling/debugging (VTune, PIX, Nsight, RenderDoc, etc.). Rigid body dynamics, collision detection (GJK, SAT, continuous collision detection/time of impact), integration schemes (semi implicit Euler, RK, constraint solvers). Numerical stability, error control, and performance trade offs under real time constraints. Engine Integration: Experience integrating physics with animation (animation blending, IK), gameplay systems, and rendering pipelines. Performance: Multi-threading/job systems, SIMD/vectorization, cache friendly data structures, frame/memory budgeting across platforms. Collaboration: Proven ability to lead cross disciplinary efforts and communicate complex technical topics clearly. Preferred Qualifications: 15+ years' experience in Modern Game Engines & Middleware: Unreal Engine (Chaos), Unity (DOTS/Physics), Havok, Bullet, PhysX; custom engine experience strongly preferred. 10+ years' experience in Advanced Simulation: Fracture systems, granular materials, vehicle tire models, buoyancy/aero effects; GPU compute (CUDA, compute shaders). Experience with existing physics models and systems integration. Networking: Deterministic simulation strategies, rollback/prediction, server authority models, cross platform latency mitigation. Console/Platform: Shipping experience on Xbox, PlayStation, Switch, and PC; familiarity with platform TRCs/TCRs and performance certification. Tooling & Scripting: Python/C#/Lua for tools and editor extensions; in engine visualization/debugging overlays. Optimization Expertise: Broad phase structures (sweep-and-prune, BVH), island building, sleeping strategies, CCD tunneling avoidance; job scheduling and affinity tuning. Content Pipelines: Collaboration with design/tech art to create authoring guidelines for physics assets; LOD strategies for physics complexity. Final compensation will be determined based on factors such as experience, skills, and qualifications. In addition to base salary, this role may be eligible for performance-based bonuses and equity awards. Why Worldscape? There is nothing more important to Worldscape than our culture. It is the fundamental means by which we will succeed as an organization. Talent, ability, drive, experience, knowledge cannot be maximized without first embracing the culture we espouse and will live every single day. Worldscape offers great benefits, opportunities for continued growth, and the ability to directly affect change in our organization and be part of a high-growth startup at a pivotal stage. What we offer: - Competitive salary and meaningful equity - Attractive benefits package - Flexible time off policy - Medical, Dental and Vision insurance - HSA health insurance options - 401k plan - Basic and Voluntary Life Insurance - Fast paced environment with flexibility and ownership Worldscape is committed to creating a diverse and inclusive workplace and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, color, gender identity or expression, marital status, national origin, disability, protected veteran status, race, religion, pregnancy, sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. Employment is contingent upon successful completion of a background check. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
09/28/2026
Full time
Job Description Job Description Worldscape is a cutting-edge platform designed to unify distributed data, sensors, and intelligent agents across cloud, on-prem, and edge environments. By combining geospatial intelligence, physics-based 3D simulation, and reward-driven AI, Worldscape enables organizations to build immersive digital twins for predictive modeling, scenario planning, and adaptive decision-making. With a zero-trust security framework, seamless integration with legacy systems, and robust developer tools, Worldscape empowers rapid deployment of agentic applications that drive resilience and efficiency in sectors like logistics, telecom, defense, and infrastructure. Worldscape is seeking an experienced Principal Game Engine Engineer to join our fast-moving, innovative Platform team. The Principal Game Engine Engineer will participate in the design, implementation, and optimization of the real time physics systems that underpin the simulation in our applications. You will architect scalable physics solutions, integrate tightly with the data fabric, animation, and rendering pipelines, and drive innovation in physics-led simulation techniques to deliver responsive interactions across vehicles, environments, and all other simulation assets. As a Principal Engineer you will set technical directions, mentor engineers, and partner with Platform and Product Management to turn creative vision into performant, shippable features and customer applications. This is an onsite role located in Redmond, WA. Key Attributes: Innovation Mindset: Passion for pushing the boundaries of real-time physics in interactive simulation. Leadership & Mentorship : Ability to guide developers, set technical direction for an area, and enforce best practices. Problem-Solving : Creative and analytical approach to complex simulation challenges. Communication : Clear articulation of technical concepts to non-technical stakeholders. Responsibilities: Own the physics architecture: Define data models, simulation loops, solver strategies, and integration points across engine and simulation systems. Deliver core physics features: Collision detection (broad phase/narrow phase), entity controllers, vehicle dynamics with an emphasis on orbital mechanics, particles/fluid mechanics (with an emphasis on atmospheric dynamics). Integrate with simulation logic (gameplay) & animation: Build physics driven interactions, authoring tools, and runtime hooks (e.g., inverse kinematics, state machines, event systems). Performance ownership: Profile, optimize, and budget frame time and memory across platforms; lead multi-threading/Job System/SIMD efforts; evaluate GPU compute opportunities. Stability & robustness: Establish test suites, golden scenarios, and verification and validation practices; reduce edge case instability (stacking, tunneling, jitter, constraint drift). Tooling & workflow: Build/debug tools, visualizers, probes, and authoring pipelines that accelerate designer iteration and QA efficiency. Cross functional leadership: Partner with back-end, AI, data pipeline, and platform teams; communicate constraints/trade offs; align milestones with production. Mentorship & standards: Guide engineers via reviews, design docs, and coding standards; cultivate a high bar for craft, documentation, and reproducibility. Quality & live support: Own crash triage and regression control for physics; support content changes post launch without destabilizing the simulation. Professional Qualifications: Education: BS/MS in Computer Science, Software Engineering, Physics, Mathematics (or equivalent practical experience). Experience: 10+ years in real time/game physics engineering; 2+ shipped titles with substantial physics ownership (AA/AAA preferred). Programming: Expert C++ (modern standards), data oriented design, memory management, profiling/debugging (VTune, PIX, Nsight, RenderDoc, etc.). Rigid body dynamics, collision detection (GJK, SAT, continuous collision detection/time of impact), integration schemes (semi implicit Euler, RK, constraint solvers). Numerical stability, error control, and performance trade offs under real time constraints. Engine Integration: Experience integrating physics with animation (animation blending, IK), gameplay systems, and rendering pipelines. Performance: Multi-threading/job systems, SIMD/vectorization, cache friendly data structures, frame/memory budgeting across platforms. Collaboration: Proven ability to lead cross disciplinary efforts and communicate complex technical topics clearly. Preferred Qualifications: 15+ years' experience in Modern Game Engines & Middleware: Unreal Engine (Chaos), Unity (DOTS/Physics), Havok, Bullet, PhysX; custom engine experience strongly preferred. 10+ years' experience in Advanced Simulation: Fracture systems, granular materials, vehicle tire models, buoyancy/aero effects; GPU compute (CUDA, compute shaders). Experience with existing physics models and systems integration. Networking: Deterministic simulation strategies, rollback/prediction, server authority models, cross platform latency mitigation. Console/Platform: Shipping experience on Xbox, PlayStation, Switch, and PC; familiarity with platform TRCs/TCRs and performance certification. Tooling & Scripting: Python/C#/Lua for tools and editor extensions; in engine visualization/debugging overlays. Optimization Expertise: Broad phase structures (sweep-and-prune, BVH), island building, sleeping strategies, CCD tunneling avoidance; job scheduling and affinity tuning. Content Pipelines: Collaboration with design/tech art to create authoring guidelines for physics assets; LOD strategies for physics complexity. Final compensation will be determined based on factors such as experience, skills, and qualifications. In addition to base salary, this role may be eligible for performance-based bonuses and equity awards. Why Worldscape? There is nothing more important to Worldscape than our culture. It is the fundamental means by which we will succeed as an organization. Talent, ability, drive, experience, knowledge cannot be maximized without first embracing the culture we espouse and will live every single day. Worldscape offers great benefits, opportunities for continued growth, and the ability to directly affect change in our organization and be part of a high-growth startup at a pivotal stage. What we offer: - Competitive salary and meaningful equity - Attractive benefits package - Flexible time off policy - Medical, Dental and Vision insurance - HSA health insurance options - 401k plan - Basic and Voluntary Life Insurance - Fast paced environment with flexibility and ownership Worldscape is committed to creating a diverse and inclusive workplace and is proud to be an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to age, color, gender identity or expression, marital status, national origin, disability, protected veteran status, race, religion, pregnancy, sexual orientation, or any other characteristic protected by applicable laws, regulations and ordinances. Employment is contingent upon successful completion of a background check. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.
Principal Stage Fluids Engineer
Rocket Lab Corporation Long Beach, California
Job Description Job Description ABOUT ROCKET LAB Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, expand humanity's reach to the Moon, Mars, and beyond. We move fast, build real hardware for meaningful missions, and make the impossible routine. Come shape the future with us. NEUTRON Rocket Lab's Neutron team is responsible for bringing our new large rocket Neutron and its launch and test sites to life. From designing and testing Neutron's structures and components, to firing up its new Archimedes engines, to setting up Neutron's launch pads and test sites across the United States, joining the Neutron team is your opportunity to help launch a new large rocket for the very first time. PRINCIPAL STAGE FLUIDS ENGINEER As a Principal Stage Fluids Engineer, Neutron owns the design, build, test, and review of multiple fluid systems across the Neutron launch vehicle. Our team owns all plumbing and systems between the tanks and the engines. Your work within the Fluid Systems department will turn vehicle-level requirements into a fluid network that enables Neutron to operate with aircraft-like reusability and reliability. WHAT YOU'LL GET TO DO Design plumbing systems, components, and their secondary structures. Provide feedback to your peers on their designs, drawings, and methodology. Analyze these systems and components in the harsh and dynamic environments of launch. Review and provide feedback for critical structural analysis of fluid components and systems. Model these systems to characterize and predict system behavior at all conditions. Understand and interpret models of others and work to improve efficacy of modelling. Test and qualify these systems, components, and modules. Manage requirements, realization, and implementation of systems in the larger launch vehicle context. Integrate your hardware into the vehicle. Review data from component, system, and vehicle level testing to optimize and improve future designs. Collaborate with components, propulsion, structures, mechanical, operations, and flight software teams to develop and define vehicle functions. Create tools to enhance the team's analysis capabilities, streamline workflow and optimize launch operations. Set the standard for design, production, and testing processes. Enforce these standards across the program and beyond. Mentor and grow your peers to strengthen the overall team. YOU'LL BRING THESE QUALIFICATIONS AS A PRINCIPAL STAGE FLUIDS ENGINEER: Bachelor's degree in Mechanical Engineering or relevant engineering discipline. 12+ years of experience in a hardware rich environment. Experience with fluid components design and usage for valves, pressure vessels, flex elements & fittings. Experience with DfM/DfAM, machining processes, and welding processes with a proven understanding of mechanical drafting and GD&T. THESE QUALIFICATIONS WOULD BE NICE TO HAVE: 8+ years of experience in a fast-paced aerospace environment where you have completed difficult projects while collaborating effectively with other key groups. Strong understanding of how to design for classic aerospace constraints: minimizing mass while maintaining manufacturability, function, and low costs. Ability to earn trust, maintain positive professional relationships, & contribute to a culture of inclusion. Experience working with a distributed team across the globe. Advanced degree in a fluid mechanics-heavy field. Experience with oxygen, methane, and/or cryogenic systems. Experience using Siemens NX & Teamcenter. Demonstrated ability to rally a team to make & execute good decisions in a fast-paced environment with limited information. Experience with Aerospace Processes, Standards, and Workflows, from JIRA to AS9100. This position may require prolonged periods of sitting, standing, walking, computer work, and occasional exposure to moderate levels of noise, dust, and fumes in production areas Anticipated annual equity grant value is designed around function, level, experience, and other factors; realized value depends on vesting and stock-price performance. Join one of the world's fastest-growing space companies and own a piece of it. In addition to competitive base pay, you'll receive company stock as part of your total compensation package , giving you a direct stake in our success. As we expand to new launch sites, groundbreaking missions, and global markets, your ownership has the opportunity to grow alongside the company. Our comprehensive benefits package includes our industry-leading Employee Stock Purchase Program (with a 15% discount on company stock), top-tier medical plans (HMO, PPO, and a zero cost HDHP option with a significant HSA company contribution), dental and vision coverage, paid vacation and sick time, 11 paid holidays, flexible spending and dependent care accounts, paid parental leave, disability and life insurance, and a 401(k) retirement plan with company match. Additional perks include subsidized EV charging, onsite fitness centers (where available), discounted gym memberships, complimentary snacks and beverages, 50% employee discount on our popular merch store, and a variety of other employee discounts. Level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. Total Compensation (base and equity) $211,725-$349,550 USD Base Salary $162,000-$270,000 USD WHAT TO EXPECT We're on a mission to unlock the potential of space to improve life on Earth, but that's not an easy task. It takes hard work, determination, relentless innovation, teamwork, grit, and an unwavering commitment to achieving what others often deem impossible. Our people out-think, out-work, and out-pace. We pride ourselves on having each other's backs, checking our egos at the door, and rolling up our sleeves on all tasks big and small. We thrive under pressure, work to tight deadlines, and our focus is always on how we can deliver, rather than dwelling on the challenges that stand in the way. Important information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Learn more about ITAR here. Rocket Lab provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment at Rocket Lab, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Applicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at dedicated resource is intended solely to assist job seekers with disabilities whose disability prevents them from being able to apply/interview. Only messages left for this purpose will be considered. A response to your request may take up to two business days. FOR CANDIDATES SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY: For security reasons, background checks will be undertaken prior to any employment offers being made to an applicant. These checks will include nationality checks as it is a requirement of this position that you be eligible to access equipment and data regulated by the United States' International Traffic in Arms Regulations. Under these Regulations, you may be ineligible for this role if you do not hold citizenship of Australia, Japan, New Zealand, Switzerland, the European Union, or a country that is part of NATO, or if you hold ineligible dual citizenship or nationality. For more information on these Regulations, click here ITAR Regulations.
09/28/2026
Full time
Job Description Job Description ABOUT ROCKET LAB Rocket Lab is the end-to-end space company building rockets, spacecraft, and critical subsystems that keep the world connected, protected, expand humanity's reach to the Moon, Mars, and beyond. We move fast, build real hardware for meaningful missions, and make the impossible routine. Come shape the future with us. NEUTRON Rocket Lab's Neutron team is responsible for bringing our new large rocket Neutron and its launch and test sites to life. From designing and testing Neutron's structures and components, to firing up its new Archimedes engines, to setting up Neutron's launch pads and test sites across the United States, joining the Neutron team is your opportunity to help launch a new large rocket for the very first time. PRINCIPAL STAGE FLUIDS ENGINEER As a Principal Stage Fluids Engineer, Neutron owns the design, build, test, and review of multiple fluid systems across the Neutron launch vehicle. Our team owns all plumbing and systems between the tanks and the engines. Your work within the Fluid Systems department will turn vehicle-level requirements into a fluid network that enables Neutron to operate with aircraft-like reusability and reliability. WHAT YOU'LL GET TO DO Design plumbing systems, components, and their secondary structures. Provide feedback to your peers on their designs, drawings, and methodology. Analyze these systems and components in the harsh and dynamic environments of launch. Review and provide feedback for critical structural analysis of fluid components and systems. Model these systems to characterize and predict system behavior at all conditions. Understand and interpret models of others and work to improve efficacy of modelling. Test and qualify these systems, components, and modules. Manage requirements, realization, and implementation of systems in the larger launch vehicle context. Integrate your hardware into the vehicle. Review data from component, system, and vehicle level testing to optimize and improve future designs. Collaborate with components, propulsion, structures, mechanical, operations, and flight software teams to develop and define vehicle functions. Create tools to enhance the team's analysis capabilities, streamline workflow and optimize launch operations. Set the standard for design, production, and testing processes. Enforce these standards across the program and beyond. Mentor and grow your peers to strengthen the overall team. YOU'LL BRING THESE QUALIFICATIONS AS A PRINCIPAL STAGE FLUIDS ENGINEER: Bachelor's degree in Mechanical Engineering or relevant engineering discipline. 12+ years of experience in a hardware rich environment. Experience with fluid components design and usage for valves, pressure vessels, flex elements & fittings. Experience with DfM/DfAM, machining processes, and welding processes with a proven understanding of mechanical drafting and GD&T. THESE QUALIFICATIONS WOULD BE NICE TO HAVE: 8+ years of experience in a fast-paced aerospace environment where you have completed difficult projects while collaborating effectively with other key groups. Strong understanding of how to design for classic aerospace constraints: minimizing mass while maintaining manufacturability, function, and low costs. Ability to earn trust, maintain positive professional relationships, & contribute to a culture of inclusion. Experience working with a distributed team across the globe. Advanced degree in a fluid mechanics-heavy field. Experience with oxygen, methane, and/or cryogenic systems. Experience using Siemens NX & Teamcenter. Demonstrated ability to rally a team to make & execute good decisions in a fast-paced environment with limited information. Experience with Aerospace Processes, Standards, and Workflows, from JIRA to AS9100. This position may require prolonged periods of sitting, standing, walking, computer work, and occasional exposure to moderate levels of noise, dust, and fumes in production areas Anticipated annual equity grant value is designed around function, level, experience, and other factors; realized value depends on vesting and stock-price performance. Join one of the world's fastest-growing space companies and own a piece of it. In addition to competitive base pay, you'll receive company stock as part of your total compensation package , giving you a direct stake in our success. As we expand to new launch sites, groundbreaking missions, and global markets, your ownership has the opportunity to grow alongside the company. Our comprehensive benefits package includes our industry-leading Employee Stock Purchase Program (with a 15% discount on company stock), top-tier medical plans (HMO, PPO, and a zero cost HDHP option with a significant HSA company contribution), dental and vision coverage, paid vacation and sick time, 11 paid holidays, flexible spending and dependent care accounts, paid parental leave, disability and life insurance, and a 401(k) retirement plan with company match. Additional perks include subsidized EV charging, onsite fitness centers (where available), discounted gym memberships, complimentary snacks and beverages, 50% employee discount on our popular merch store, and a variety of other employee discounts. Level and base salary will be determined on a case-by-case basis and may vary based on the following considerations: job-related knowledge and skills, education, and experience. Total Compensation (base and equity) $211,725-$349,550 USD Base Salary $162,000-$270,000 USD WHAT TO EXPECT We're on a mission to unlock the potential of space to improve life on Earth, but that's not an easy task. It takes hard work, determination, relentless innovation, teamwork, grit, and an unwavering commitment to achieving what others often deem impossible. Our people out-think, out-work, and out-pace. We pride ourselves on having each other's backs, checking our egos at the door, and rolling up our sleeves on all tasks big and small. We thrive under pressure, work to tight deadlines, and our focus is always on how we can deliver, rather than dwelling on the challenges that stand in the way. Important information: FOR CANDIDATES SEEKING TO WORK IN US OFFICES ONLY: To conform to U.S. Government space technology export regulations, including the International Traffic in Arms Regulations (ITAR), Rocket Lab Employees must be a U.S. citizen, lawful U.S. permanent resident (i.e., current Green Card holder), or lawfully admitted into the U.S. as a refugee or granted asylum, or be eligible to obtain the required authorizations from the U.S. Department of State and/or the U.S. Department of Commerce, as applicable. Learn more about ITAR here. Rocket Lab provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state, or local laws. This policy applies to all terms and conditions of employment at Rocket Lab, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation, and training. Applicants requiring a reasonable accommodation for the application/interview process for a job in the United States should contact Giulia Johnson at dedicated resource is intended solely to assist job seekers with disabilities whose disability prevents them from being able to apply/interview. Only messages left for this purpose will be considered. A response to your request may take up to two business days. FOR CANDIDATES SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY: For security reasons, background checks will be undertaken prior to any employment offers being made to an applicant. These checks will include nationality checks as it is a requirement of this position that you be eligible to access equipment and data regulated by the United States' International Traffic in Arms Regulations. Under these Regulations, you may be ineligible for this role if you do not hold citizenship of Australia, Japan, New Zealand, Switzerland, the European Union, or a country that is part of NATO, or if you hold ineligible dual citizenship or nationality. For more information on these Regulations, click here ITAR Regulations.
Principal Turbomachinery Engineer
K2 Space Acton, California
Job Description Job Description K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price - and with over $1 billion in signed contracts across commercial and US government customers, we're mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. The rise of heavy-lift launch vehicles is shifting the industry from an era of mass constraint to one of mass abundance, and we believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully capitalize on today's and tomorrow's massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits. With multiple launches in 2027 and plans to scale to 100 satellites a year, we're Building Bigger - helping develop the solar system and build toward a Kardashev Type II (K2) civilization. If you are a motivated individual who thrives in a fast-paced environment and you're excited about contributing to the success of a high-growth Series D-funded company, we'd love for you to apply. The Role Critical to achieving K2's vision is deploying our 20-kW high-power spacecraft platform at scale across MEO, GEO, cis-lunar, and deep space. Realizing that vision means actively controlling the heat generated by the high-power payloads our platform hosts. This requires active thermal control systems such as pumped fluid loops, built from fluid turbomachinery, valves, accumulators, and pressure and temperature instrumentation. Scaling to constellations requires someone who can span the mechanical, fluid, electromechanical, and thermal-fluid domains and collaborate closely with the thermal, avionics, software, and production teams to deliver these systems at rate. As Principal Turbomachinery Engineer, you will define how K2 designs, analyzes, manufactures, tests, integrates, and deploys precision turbomachinery for integration into active thermal control systems. You will own these unique pieces of turbomachinery from concept through integration and rate production. You will be responsible for mission-critical hardware which goes to space. Responsibilities Responsible for turbomachinery mechanisms in the spacecraft active thermal control system, including: Architectural down-selection, design, and tolerancing Pump- and mechanism-specific analyses (rotor dynamics, bearings and seals, hydraulic performance, structural, thermal-fluid) Environmental test and qualification plans Ground- and in-flight performance validation plans Supply chain and high-volume manufacturing trades Partner with the thermal and platform architecture teams to scope the long-term K2 pumped-fluid-loop roadmap, and system performance requirements Collaborate with thermal, structures, avionics, and satellite bus teams to determine optimal operations and requirements for the pump, supporting mechanisms, and broader fluid loop Prepare design reviews to secure stakeholder buy-in and communicate expectations across hardware, software, test, and manufacturing teams Own and refine program deliverables and schedules throughout development and production Evaluate and select manufacturing equipment for specialty processes (impeller machining, rotating-assembly balancing, leak/flow test) Partner with production to develop work instructions, in-process checkouts, and end-of-line tests Qualifications Bachelor's degree in mechanical, aerospace, or other relevant engineering discipline 8+ years of experience with mechanical and/or electromechanical design and analysis 2+ years of experience design and analysis of turbomachinery in harsh environments Experience with CAD or FEA software packages Nice to Have Experience designing, building, and testing centrifugal or axial pumps for closed-loop thermal systems, including impeller geometry, volute/diffuser design, and hydraulic performance prediction Experience with NASA-STD-5017, SMC-S-016, and GSFC-STD-7000 for the design and qualification of in-space Moving Mechanism Assemblies Experience with bearing analysis, preload techniques, and preload measurement Experience with the practical application of GD&T Demonstrated ability to own moving mechanism assemblies across the full product lifecycle in a high velocity environment Demonstrated understanding of structural analysis and failure modes of complex mechanical systems in space environments and operations Independent and self-motivated mindset, with strong organizational, written, and oral communication skills across disciplines Compensation and Benefits: Base salary range for this role is $175,000 - $200,000 + equity in the company Salary and level will be based on several factors including, but not limited to: knowledge and skills, education, and experience level Comprehensive benefits package including paid time off, medical/dental/vision coverage, life insurance, paid parental leave, and many other perks If you don't meet 100% of the preferred skills and experience, we encourage you to still apply! Building a spacecraft unlike any other requires a team unlike any other and non-traditional career twists and turns are encouraged! If you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know. Export Compliance As defined in the ITAR, "U.S. Persons" include U.S. citizens, lawful permanent residents (i.e., Green Card holders), and certain protected individuals (e.g., refugees/asylees, American Samoans). Please consult with a knowledgeable advisor if you are unsure whether you are a "U.S. Person." The person hired for this role will have access to information and items controlled by U.S. export control regulations, including the export control regulations outlined in the International Traffic in Arms Regulation (ITAR). The person hired for this role must therefore either be a "U.S. person" as defined by 22 C.F.R. 120.15 or otherwise eligible for a federally issued export control license. Equal Opportunity K2 Space is an Equal Opportunity Employer; employment with K2 Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
09/28/2026
Full time
Job Description Job Description K2 is building the largest and highest-power satellites ever flown, unlocking performance levels previously out of reach across every orbit. Backed by over $1 billion in total funding from leading investors including Altimeter Capital, ICONIQ, Kleiner Perkins, Lightspeed Venture Partners, Redpoint Ventures, and T. Rowe Price - and with over $1 billion in signed contracts across commercial and US government customers, we're mass-producing the highest-power satellite platforms ever built for missions from LEO to deep space. The rise of heavy-lift launch vehicles is shifting the industry from an era of mass constraint to one of mass abundance, and we believe this new era demands a fundamentally different class of spacecraft. Engineered to survive the harshest radiation environments and to fully capitalize on today's and tomorrow's massive rockets, K2 satellites deliver unmatched capability at constellation scale and across multiple orbits. With multiple launches in 2027 and plans to scale to 100 satellites a year, we're Building Bigger - helping develop the solar system and build toward a Kardashev Type II (K2) civilization. If you are a motivated individual who thrives in a fast-paced environment and you're excited about contributing to the success of a high-growth Series D-funded company, we'd love for you to apply. The Role Critical to achieving K2's vision is deploying our 20-kW high-power spacecraft platform at scale across MEO, GEO, cis-lunar, and deep space. Realizing that vision means actively controlling the heat generated by the high-power payloads our platform hosts. This requires active thermal control systems such as pumped fluid loops, built from fluid turbomachinery, valves, accumulators, and pressure and temperature instrumentation. Scaling to constellations requires someone who can span the mechanical, fluid, electromechanical, and thermal-fluid domains and collaborate closely with the thermal, avionics, software, and production teams to deliver these systems at rate. As Principal Turbomachinery Engineer, you will define how K2 designs, analyzes, manufactures, tests, integrates, and deploys precision turbomachinery for integration into active thermal control systems. You will own these unique pieces of turbomachinery from concept through integration and rate production. You will be responsible for mission-critical hardware which goes to space. Responsibilities Responsible for turbomachinery mechanisms in the spacecraft active thermal control system, including: Architectural down-selection, design, and tolerancing Pump- and mechanism-specific analyses (rotor dynamics, bearings and seals, hydraulic performance, structural, thermal-fluid) Environmental test and qualification plans Ground- and in-flight performance validation plans Supply chain and high-volume manufacturing trades Partner with the thermal and platform architecture teams to scope the long-term K2 pumped-fluid-loop roadmap, and system performance requirements Collaborate with thermal, structures, avionics, and satellite bus teams to determine optimal operations and requirements for the pump, supporting mechanisms, and broader fluid loop Prepare design reviews to secure stakeholder buy-in and communicate expectations across hardware, software, test, and manufacturing teams Own and refine program deliverables and schedules throughout development and production Evaluate and select manufacturing equipment for specialty processes (impeller machining, rotating-assembly balancing, leak/flow test) Partner with production to develop work instructions, in-process checkouts, and end-of-line tests Qualifications Bachelor's degree in mechanical, aerospace, or other relevant engineering discipline 8+ years of experience with mechanical and/or electromechanical design and analysis 2+ years of experience design and analysis of turbomachinery in harsh environments Experience with CAD or FEA software packages Nice to Have Experience designing, building, and testing centrifugal or axial pumps for closed-loop thermal systems, including impeller geometry, volute/diffuser design, and hydraulic performance prediction Experience with NASA-STD-5017, SMC-S-016, and GSFC-STD-7000 for the design and qualification of in-space Moving Mechanism Assemblies Experience with bearing analysis, preload techniques, and preload measurement Experience with the practical application of GD&T Demonstrated ability to own moving mechanism assemblies across the full product lifecycle in a high velocity environment Demonstrated understanding of structural analysis and failure modes of complex mechanical systems in space environments and operations Independent and self-motivated mindset, with strong organizational, written, and oral communication skills across disciplines Compensation and Benefits: Base salary range for this role is $175,000 - $200,000 + equity in the company Salary and level will be based on several factors including, but not limited to: knowledge and skills, education, and experience level Comprehensive benefits package including paid time off, medical/dental/vision coverage, life insurance, paid parental leave, and many other perks If you don't meet 100% of the preferred skills and experience, we encourage you to still apply! Building a spacecraft unlike any other requires a team unlike any other and non-traditional career twists and turns are encouraged! If you need a reasonable accommodation as part of your application for employment or interviews with us, please let us know. Export Compliance As defined in the ITAR, "U.S. Persons" include U.S. citizens, lawful permanent residents (i.e., Green Card holders), and certain protected individuals (e.g., refugees/asylees, American Samoans). Please consult with a knowledgeable advisor if you are unsure whether you are a "U.S. Person." The person hired for this role will have access to information and items controlled by U.S. export control regulations, including the export control regulations outlined in the International Traffic in Arms Regulation (ITAR). The person hired for this role must therefore either be a "U.S. person" as defined by 22 C.F.R. 120.15 or otherwise eligible for a federally issued export control license. Equal Opportunity K2 Space is an Equal Opportunity Employer; employment with K2 Space is governed on the basis of merit, competence and qualifications and will not be influenced in any manner by race, color, religion, gender, national origin/ethnicity, veteran status, disability status, age, sexual orientation, gender identity, marital status, mental or physical disability or any other legally protected status.
Lead / Principal Process ML Engineer
Koh Young America, Inc. San Diego, California
Job Description Job Description Lead / Principal Process ML Engineer Job Title: Lead / Principal Process ML Engineer Job Type: Full-time Location: San Diego, CA Summary We are building AI platforms that run on real factory floors, predicting, optimizing, and controlling manufacturing processes in real time. This role is needed to expand our process optimization capability - we need a technical leader who can own the full lifecycle of ML-driven process optimization products, from causal modeling to productization and customer deployment. Currently there is no dedicated technical lead for this product area, and growing customer demand requires a senior leader to set the technical vision and drive execution. Roles and Responsibilities Own the technical direction for key projects - set vision, define what to build, manage priorities, and be accountable for delivery Lead development of ML-driven process optimization products - from causal modeling to productization and customer deployment Make architecture decisions: select modeling approaches, define system boundaries, and evaluate trade-offs between physical fidelity, inference speed, and product constraints Define modeling strategy - decide which physics to encode, which architectures to use, and how to validate against real process data Drive architecture reviews and technical decision-making across the process optimization team Hire, mentor, and grow engineers - build a high-performing team through hiring, code reviews, and technical coaching Coordinate across HQ (Seoul) and overseas R&D labs - aligning research with product roadmaps across time zones Own production-grade delivery - models must run reliably inside equipment operating 24/7 on customer lines Requirements Doctorate (Ph.D.) Mechanical Engineering, Physics, Computer Science, Electrical Engineering, or a related field 8+ years of industry experience post-Ph.D. Proven track record of shipping process optimization or control products from problem definition through customer-facing deployment Experience leading a technical team - setting direction, managing delivery, and making architecture decisions Strong physics foundation (fluid dynamics, thermodynamics, heat transfer, mechanics) Strong ML skills (PyTorch, custom architectures, PINNs, neural operators, surrogate models) Ability to bridge physics and product - translate process understanding into model design and product features Comfort with ambiguity: able to define the problem and the approach, not just execute a spec Experience shipping ML-driven process optimization or control products in an industry setting Experience leading or managing a technical team (ML or applied science) Experience with production software systems - ML integration, data pipelines, deployment infrastructure Preferred Requirements Prior role as Tech Lead, Staff Engineer, or Team Lead in an ML or applied science team Experience productizing process optimization as a commercial product deployed on customer sites Hands-on manufacturing process experience - semiconductor, SMT, electronics assembly, or precision manufacturing Experience coordinating technical direction across distributed teams (HQ + overseas R&D) Published work in scientific machine learning, computational physics, or neural operators Experience with SPC, Cpk analysis, or 3D inspection/metrology systems Benefits • Health/Dental/Vision/Life Insurance at no employee premium (including dependent coverage) • 401K retirement plan with 5% matching • Generous PTO and paid holidays
09/26/2026
Full time
Job Description Job Description Lead / Principal Process ML Engineer Job Title: Lead / Principal Process ML Engineer Job Type: Full-time Location: San Diego, CA Summary We are building AI platforms that run on real factory floors, predicting, optimizing, and controlling manufacturing processes in real time. This role is needed to expand our process optimization capability - we need a technical leader who can own the full lifecycle of ML-driven process optimization products, from causal modeling to productization and customer deployment. Currently there is no dedicated technical lead for this product area, and growing customer demand requires a senior leader to set the technical vision and drive execution. Roles and Responsibilities Own the technical direction for key projects - set vision, define what to build, manage priorities, and be accountable for delivery Lead development of ML-driven process optimization products - from causal modeling to productization and customer deployment Make architecture decisions: select modeling approaches, define system boundaries, and evaluate trade-offs between physical fidelity, inference speed, and product constraints Define modeling strategy - decide which physics to encode, which architectures to use, and how to validate against real process data Drive architecture reviews and technical decision-making across the process optimization team Hire, mentor, and grow engineers - build a high-performing team through hiring, code reviews, and technical coaching Coordinate across HQ (Seoul) and overseas R&D labs - aligning research with product roadmaps across time zones Own production-grade delivery - models must run reliably inside equipment operating 24/7 on customer lines Requirements Doctorate (Ph.D.) Mechanical Engineering, Physics, Computer Science, Electrical Engineering, or a related field 8+ years of industry experience post-Ph.D. Proven track record of shipping process optimization or control products from problem definition through customer-facing deployment Experience leading a technical team - setting direction, managing delivery, and making architecture decisions Strong physics foundation (fluid dynamics, thermodynamics, heat transfer, mechanics) Strong ML skills (PyTorch, custom architectures, PINNs, neural operators, surrogate models) Ability to bridge physics and product - translate process understanding into model design and product features Comfort with ambiguity: able to define the problem and the approach, not just execute a spec Experience shipping ML-driven process optimization or control products in an industry setting Experience leading or managing a technical team (ML or applied science) Experience with production software systems - ML integration, data pipelines, deployment infrastructure Preferred Requirements Prior role as Tech Lead, Staff Engineer, or Team Lead in an ML or applied science team Experience productizing process optimization as a commercial product deployed on customer sites Hands-on manufacturing process experience - semiconductor, SMT, electronics assembly, or precision manufacturing Experience coordinating technical direction across distributed teams (HQ + overseas R&D) Published work in scientific machine learning, computational physics, or neural operators Experience with SPC, Cpk analysis, or 3D inspection/metrology systems Benefits • Health/Dental/Vision/Life Insurance at no employee premium (including dependent coverage) • 401K retirement plan with 5% matching • Generous PTO and paid holidays

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