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L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineering - FPGA & GPU Job Code: 39549 Job Location: Greenville, Tx Job Schedule: 9/80 - Employees work 9 out of every 14 days - totaling 80 hours worked - and have every other Friday off Job Description: Senior Specialist, Systems Engineer - FPGA/GPU & RF Signal Processing. The Senior Specialist, Systems Engineer will be responsible for the architectural design, development, and analysis of advanced FPGA and GPU based signal processing solutions supporting complex ISR sensor systems. The candidate will perform architectural design, coding, test bench development, and simulation activities, while also contributing to broader systems engineering tasks across RF, radar, DSP, and integration domains. This role supports development from concept through integration and delivery, requiring strong analytical skills, technical leadership, and cross-functional coordination. The candidate will set the highest ethical standards for self and others and perform other duties as assigned. Essential Functions: Lead FPGA/GPU architectural design, HDL coding, test bench creation, simulation, and analysis for high performance DSP and signal processing applications. Perform RF, microwave, and radar related analysis including spectrum behavior, propagation effects, receiver/front end characteristics, pulse parameters, PRI/PW/RF measurement, modulation recognition, and emitter characterization. Apply DSP techniques including FFTs, filtering, detection, estimation, and time frequency analysis to support system design and verification. Execute systems engineering tasks including requirements development (JIRA/DOORS), CONOPS definition, integration planning, test procedures, and performance analysis. Work closely with cross-functional engineering teams to plan and conduct system integration testing in laboratory and platform environments. Document system behavior, anomalies, and integration results following established engineering standards; verify and validate system functionality across new and legacy baselines. Support troubleshooting of RF chains, timing/synchronization issues, calibration, and hardware/software interaction during system integration. Collaborate with customers to ensure satisfaction with system performance and to clarify operational requirements. Provide technical updates to management and customers, contributing to schedule, risk, and resource planning. Produce end-user documentation, integration reports, and technical analysis packages as required. Work effectively in a fast-paced environment with time critical program milestones and evolving technical objectives. Active Secret or recently held Top Secret/SCI security clearance with the ability to maintain. Ability to work occasional overtime or weekend hours if required. Qualifications: Bachelor's Degree and minimum 6 years of prior relevant engineering experience. Graduate Degree and a minimum of 4 years of prior related engineering experience. In lieu of a degree, a minimum of 10 years of prior related engineering experience. Demonstrated experience with FPGA or GPU based design, including VHDL/Verilog/CUDA, test benches, and simulation tools. Demonstrated understanding of RF and microwave fundamentals, including antennas, receivers, spectral behavior, and front-end design. Demonstrated experience with signals analysis techniques and tools, including pulse analysis, modulation assessment, and emitter characterization. Demonstrated knowledge of radar fundamentals such as pulse radar, CW/FMCW, LPI principles, scan patterns, and threat system behavior. Demonstrated experience in MATLAB and Python for algorithm development, modeling, automation, data analysis, and visualization. Demonstrated experience working with large IQ/sample data sets and developing automated processing workflows. Demonstrated familiarity with test equipment including spectrum analyzers, signal generators, oscilloscopes, vector signal analyzers, and AWGs. Demonstrated experience with SDR platforms, digitizers, and receiver systems. Preferred Additional Skills: Active TS/SCI. Experience with integration and troubleshooting of complex RF or electronic warfare receiver systems. Experience with JIRA, Confluence, and DOORS for requirements and workflow management. Experience with advanced DSP algorithm development and implementation. Familiarity with system level SEI, LPI/LPE techniques, or advanced emitter analysis methodologies. Experience in software integration and system-level test. Proficiency with standard office and documentation tools. L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish.

MANTECH seeks a motivated, career and customer-oriented SIMULATION DEVELOPER to join our team in QUANTICO, VA. Join a high-impact team supporting the Marine Corps Warfighting Lab's transition to digital wargaming. As a Simulation Developer, you will serve as a trusted advisor to our customers, ensuring the technical architecture of wargames is robust and reliable while directly shaping the tools used to prepare Marines for the future fight. Responsibilities include but are not limited to: Designs, develops, and sustains simulation models and environments using a variety of programming languages, tools, and data sources Integrates models and simulations into larger system architectures and supports Marine Corps Warfighting Laboratory (MCWL) Wargaming Division efforts for interoperability testing and model orchestration Collaborates with engineers, analysts, and operational subject matter experts to enhance model fidelity and ensure simulation accuracy Implements new features, conducts model testing and validation, and troubleshoots issues across evolving simulation platforms Leads and supports planning, coordination, and documentation activities for simulation projects, including data collection, stakeholder alignment, and capability tracking Minimum Qualifications: Bachelor's degree in Computer Science, Software Engineering, Game Development, or a related technical field Minimum of 7 years of software development experience focused on simulation or game-based environments. A total of 10 years' experience without a degree. Proficiency in programming languages such as C++, C#, Python, or Java Experience with simulation platforms or engines such as AFSIM, NGTS, OneSAF, Unity, Unreal Engine, Simio, or Arena Familiarity with version control systems and collaborative software development workflows Preferred Qualifications: Understanding of modeling and simulation principles in military or operational contexts Familiarity with mission engineering, wargaming, campaign analysis, or Naval Capabilities Integration Process (NCIP), and associated military systems/processes Knowledge of 3D graphics, physics engines, and database management systems (e.g., SQL) Experience applying Agile or Scrum development methodologies in simulation projects Strong communication, analytical, and cross-functional collaboration skills Clearance Requirements: Must possess a current/active TS/SCI security clearance. Physical Requirements: Must be able and willing to perform occasional manual labor and warehouse duties, with the ability to lift up to 50 pounds. Must be able to remain in a stationary position 50% of the time. Needs to occasionally move about inside the office to access file cabinets, office machinery, etc. Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations

Job Description At Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with great opportunity for professional growth. Find your future with us. The Boeing Company has an exciting opportunity for Entry and Associate Level Mission Systems Electronic Systems Design and Analysis Engineers to join Boeing Defense, Space & Security (BDS) in Daytona Beach, Florida. BDS is a global leader in the development, production, maintenance and enhancement of fixed-wing and rotary wing aircraft, commercial and government satellites, human spaceflight programs and weapons. Key markets include aeronautics, space and weapons. Core capabilities are in development, production and mission enabling upgrades of integrated solutions. BDS delivers the most digitally advanced, simply and efficiently produced and intelligently supported solutions to its customers. Daytona Beach is the company's newest state-of-the-art facility focused on engineering excellence. Florida offers no state income tax and a variety of other desirable personal and financial benefits. At Boeing, our Electrical Engineers develop electronic and electrical system requirements using analytical and technical skills, translate requirements into system architectures and modify hardware and software designs for Boeing aircraft, unmanned vehicles and much more. The candidate will enable the Mission Systems organization to continue to expand its business base and will participate in advancing aircraft technology. The team performs research into advanced concepts and prototypes for various communication, sensor, electronic warfare and other electromagnetic systems and components. The team is also responsible for developing system/subsystem requirements, participating with Software engineers with real-time Operational Flight Program (OFP) development, subsystem/system testing, and evaluating system performance in Flight Test. Simulation and modeling are utilized to assist in requirements development, software development and offsets some Flight Test verification. Our teams are currently hiring for a broad range of experience levels including Associate, Experienced and Senior Level Mission Systems Electronic Systems Design and Analysis Engineers. Position Responsibilities: Understand and apply job practices, techniques, standards, principles, theories, and concepts Develop, document and maintain electronic and electrical system requirements according to customer desires and contract requirements Develop statement-of-work and technical performance specifications Analyze, translate and implement requirements into system architecture, hardware and software designs and interface specifications, showing traceability throughout the product lifecycle Test and validate to ensure system designs meet operational and functional requirements Resolve product integration issues and production anomalies Support fielded hardware and software over the entire product lifecycle Investigate emerging technologies to develop concepts for future product designs to meet projected requirements Monitor supplier performance to ensure system integration and compliance with requirements Develop and document moderately complex electronic and electrical system requirements Design hardware, software and interface specifications Assist in monitoring supplier performance to ensure system integration and compliance with requirements Solve problems concerning fielded hardware and software over the entire product lifecycle Research specific technology advances for potential application to company business need This position is expected to be 100% onsite. The selected candidate will be required to work onsite at the Daytona Beach location. At some point, the candidate selected may be requested to travel and work onsite at Boeing, Berkeley, MO to receive training. This position requires the ability to obtain a US Security Clearance as a condition of employment for which the US Government requires US Citizenship. An interim or final US Secret Clearance or higher post start is required. Basic Qualifications (Required Skills/Experience): Bachelor of Science degree in Engineering (with a focus in Electrical, Mechanical or Aeronautical), Computer Science, Data Science, Mathematics, Physics, Chemistry or non-US equivalent qualifications directly related to the work statement. Preferred Qualifications (Desired Skills/Experience): Level 2: 2+ years of work related engineering experience with a Bachelor's. Bachelor's degree or higher in Engineering, Physics, or Chemistry Experience with electronic system design, code and test Experience in developing or integrating Mission Systems for military aircraft Experience with requirements management tools, including experience with model-based system engineering (MBSE) development practices Experience navigating Interface Control Documents (ICD's) Experience with analysis of system data Experience working on an agile team and using Jira Experience using analytical, collaboration, communication and organizational skills An interim and/or final U.S. Secret or above clearance that has been active in the past 24 months is desired. Conflict of Interest: Successful candidates for this job must satisfy Company's Conflict of Interest (COI) assessment process. Education: Level 1: Education/experience typically acquired through advanced technical education from an accredited course of study in engineering, computer science, engineering data science, mathematics, physics, or chemistry (e.g. Bachelor), or an equivalent combination of technical education and experience or non-US equivalent qualifications. In the USA, ABET accreditation is the preferred, although not required, accreditation standard. Level 2: Education/experience typically acquired through advanced technical education from an accredited course of study in engineering, computer science, engineering data science, mathematics, physics or chemistry (e.g. Bachelor) and typically 2 or more years' related work experience or an equivalent combination of technical education and experience or non-US equivalent qualifications. In the USA, ABET accreditation is the preferred, although not required, accreditation standard. Relocation: Relocation assistance is not a negotiable benefit for this position. Candidates must live in the immediate area or relocate at their own expense. Drug Free Workplace: Boeing is a Drug Free Workplace where post offer applicants and employees are subject to testing for marijuana, cocaine, opioids, amphetamines, PCP, and alcohol when criteria is met as outlined in our policies . Shift: This position is for 1st shift. Pay & Benefits: At Boeing, we strive to deliver a Total Rewards package that will attract, engage and retain the top talent. Elements of the Total Rewards package include competitive base pay and variable compensation opportunities. The Boeing Company also provides eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, health savings accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Boeing offers a comprehensive benefits package including generous Paid Time Off (PTO), flexible work environment, paid parental leave, 401k matching, extremely generous tuition assistance for earning advanced degrees, and paid medical leave programs. Boeing 401(k) helps you save for your future, with contributions from Boeing that can help you grow your retirement savings. Our best-in-class retirement benefit features: Best in class 401(k) plan: we'll match your contributions dollar for dollar, up to 10% of eligible pay with Immediate 100% vesting Student Loan Match: The Boeing 401(k) Student Loan Match allows eligible enrolled U.S. employees to have their qualified student loan debt payments counted, along with any match-eligible contributions they make, for purposes of determining the Company Match to employees' Boeing 401(k) accounts. The specific programs and options available to any given employee may vary depending on eligibility factors such as geographic location, date of hire, and the applicability of collective bargaining agreements. Please note that the salary information shown below is a general guideline only. Pay is based upon candidate experience and qualifications, as well as market and business considerations. Summary pay range: Level 1 (Entry): $68,850 - $93,150 Level 2 (Associate): $85,000 - $115,000 Applications for this position will be accepted until Aug. 31, 2026 Export Control Requirements: This position must meet U.S. export control compliance requirements. To meet U.S. export control compliance requirements, a "U.S. Person" as defined by 22 C.F.R. 120.62 is required. "U.S. Person" includes U.S. Citizen, U.S. National, lawful permanent resident, refugee, or asylee. Export Control Details: US based job, US Person required Education . click apply for full job details