174 jobs found

Date Posted: 2026-10-20 Country: United States of America Location: US-AZ-TUCSON- E Hermans Rd BLDG 805 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: Secret Security Clearance Status: Ability to obtain INTERIM U.S. government issued security clearance is required prior to start date Are you ready to explore the world of aerospace and defense? Do you want to learn from and collaborate with some of the greatest minds in the industry? At RTX, our internships, co-ops and full-time careers provide an exceptional foundation to work on complex problems, advance your skills and create a safer, more connected world. Discover opportunities to make a difference at RTX. This is an Entry Level Role onsite in Tucson, AZ What You Will Do: The Processing Guidance & Control Center is currently hiring for a Systems Engineer in Tucson, AZ to support execution of the portfolio of current and upcoming missile programs. As a Systems Engineer - Guidance, Navigation, and Control Engineer, you will play a critical role in helping with the evaluation, design, implementation, and integration of embedded software algorithms. In the GNC department, we characterize system aerodynamics through computational fluid dynamics (CFD) and wind tunnel testing, and design, integrate, and optimize effector guidance, tracking, navigation, and estimation algorithms to meet mission objectives. We evaluate these solutions in flight testing at the system-level, or lower-level subsystem testing and evaluation. You will collaborate with a team of engineers in an integrated product team that will be responsible for tactical embedded software, firmware, and six degree-of-freedom simulations to achieve overall system performance requirements. Qualifications You Must Have: Master's degree in engineering, science, physics, mathematics, or a related STEM field. Degree must be obtained by start date. Experience with MATLAB, Python, C/C++, and/or Object-Oriented design and Linux operating systems Experience with one or more of the following: GNC systems, modeling & simulation techniques, digital and/or modern control systems, dynamics, Kalman filter design, signal processing (electro-optical, infrared, or active/passive RF), navigation systems, sensors (IMU/GPS), and algorithms, including Assured Position, Navigation, and Timing (APNT) systems, and aerodynamics and CFD. Experience may be obtained through on-the-job experience, research, coursework, or projects. Qualifications We Prefer: Specific majors: Aerospace Engineering, Electrical Engineering, Mechanical Engineering, Physics, Mathematics, or Computer Science Class projects, professional internships, or academic research demonstrating the ability to apply technical course work or computer skills Demonstrated ability to communicate effectively in a team setting, organize tasking, and work with colleagues towards a shared goal or vision. Prior internship, co-op, or work experience. What We Offer: Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Trust, Respect, Accountability, Collaboration, and Innovation. Relocation Eligibility Learn More & Apply Now! Please consider the following role type definition as you apply for this role. Onsite: Employees who are working in Onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. This position requires ability to obtain a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the US Department of State government website here: Security Clearance FAQs - United States Department of State As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 75,800 USD - 144,200 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Amazon is looking for a detail-oriented individual to join our Data Center Engineering Operations Team. This committed group works to maintain the critical physical infrastructure that supports Amazon Web Services. Specifically, this team works to ensure that the data center's MEP operates at 100% availability while maintaining first-class customer service to the teams and groups within the data centers. The Data Center Chief Engineer (CE) is responsible for ensuring that all electrical, mechanical, and fire/life safety equipment within the data center is operating at peak efficiency. This involves both planned preventative maintenance of equipment, daily corrective work, and emergency response to emergent issues. The CE serves as an expert technical resource reporting to a site's Data Center Facility Manager and interacting with onsite Engineering Operations Technicians (EOT) and any third party vendors. They are expected to be a singular focal point for all facility operations within a given data center and to support Amazon within its owned and operated data centers. Data center equipment that supports mission-critical servers must maintain better than 99.999% uptime. Also expected from the CE is the ability to manage small-to-medium impacting projects from conception to completion. These projects involve large amounts of independent work as well as collaboration with external support groups including engineering, automation, processing, and finance in both local and global settings. The CE will be tasked with creating and delivering on key milestones, obtaining and tracking quotes for all necessary costs, and documenting project results for future implementation at other facilities. The goals of such projects are for the CE to drive innovation and resiliency while reducing operational costs in the facilities. The CE directs, trains and supports EOT's in their role of providing hands-on electrical and mechanical equipment troubleshooting and operations. Implementation and execution of site/equipment-specific training exercises is also expected. This equipment includes, but is not limited to, stand-by diesel generators, switchgear, UPS's, PDU's, AHU's, chillers, cooling towers, chemical treatment systems, pumps, motors, VFD's, and building automation systems. This technical leadership position brings a 24/7 presence to support the engineering operations technicians on site and to be available to respond to site specific needs This position requires that the candidate selected be a US citizen and currently possess and maintain an active Top Secret security clearance with SCI eligibility. Key job responsibilities • Oversee the day-to-day operations and maintenance of mechanical and electrical equipment in a data center. • Operate independently with limited direct management • Act as an escalation point for all facilities-related issues within the data center, escalating to the Data Center Facility Manager as needed, and work OT hours as needed to support site stability. • Perform root cause analysis of equipment failures • Troubleshoot and report of facility and data sever-level events within internal SLA • Create and deploy new standard practices for Engineering Operations Technicians, Chief Engineers, and vendor support teams • Provide training and guidance to Engineering Operations Technicians • Ensure all safety procedures are adhered to by vendor and Amazon staff • Utilize internal CMMS to manage building workflows • Communicate complex technical information to a non-technical audience Physical Requirements: • Walk job sites in uneven terrain • Work at heights and from ladders • Regularly lift and/or move up to 49 pounds; and participate in group lifts for 50 pounds or more • Coordinate body movements when using tools or equipment • Reach and stretch to position equipment and fixtures while maintaining balance • Bend or twist the body into unusual positions while working • Perform physical tasks all day without becoming overly tired • Use hands to manipulate small wires and objects • Push or pull heavy objects into position • Work in a noisy environment • Work at depths, such as under raised floors About the team AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we're the people who keep the cloud running. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensure our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain - and we're looking for talented people who want to help. You'll join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You'll collaborate with people across AWS to help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you'll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion. Why AWS Amazon Web Services (AWS) is the world's most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating - that's why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses. Diverse Experiences Amazon values diverse experiences. Even if you do not meet all of the preferred qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn't followed a traditional path, or includes alternative experiences, don't let it stop you from applying. Work/Life Balance We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home, which is why we strive for flexibility as part of our working culture. When we feel supported in the workplace and at home, there's nothing we can't achieve in the cloud. Inclusive Team Culture Here at AWS, it's in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon conferences, inspire us to never stop embracing our uniqueness. Mentorship and Career Growth We're continuously raising our performance bar as we strive to become Earth's Best Employer. That's why you'll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional. BASIC QUALIFICATIONS - 3+ years of vendor management experience - 4+ years of relevant work in a data center or other critical environment experience - Bachelor's degree in Electrical Engineering, Mechanical Engineering, or a related field - Experience with Microsoft Office including Outlook, Word, and Excel - Current, active TS/SCI US Government Security Clearance PREFERRED QUALIFICATIONS - 3+ years of construction or project management experience - Electrical or mechanical Journeyman License - operating engineering license such as DC II, DC III, or equivalent - Experience in construction or project management Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit for more information. If the country/region you're applying in isn't listed, please contact your Recruiting Partner. The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at . USA, OH, Plain City - 96 300.00 USD annually

Date Posted: 2026-09-14 Country: United States of America Location: US-CO-AURORA-S E Centretech Pkwy BLDG S75 Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance Security Clearance Type: DoD Clearance: TS/SCI Security Clearance Status: Active and existing security clearance required on day 1 At Raytheon, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world. We have an exciting opportunity for a Systems Engineer - RF Engineer supporting one of our premier programs at Raytheon, an RTX Business. The Apertures and RF Team is seeking an RF Engineer to join a highly technical, multidisciplinary team responsible for the analysis, trade studies, design, design reviews, testing, fielding and hardware refresh, integration, and operational support of adaptable hardware systems. In this role, you will support engineering activities throughout the entire product lifecycle, from initial concept definition and system analysis through detailed design, development, qualification testing, fielding, and customer support. You will serve as an individual contributor supporting a variety of engineering efforts and will have the opportunity to work across architecture, design, integration, testing, and fielding activities. The ideal candidate will bring a strong engineering background and technical experience supporting radio frequency (RF) communications links and systems, antenna system design, functionality, and operation. The work is on-site in Aurora, CO, and program support activities may require travel to CONUS and OCONUS locations, not expected to exceed 25%. What You Will Do • Support the planning and execution of analysis, integration, verification, and troubleshooting test activities in laboratory and operational environments • Support program activities at CONUS and OCONUS locations • Troubleshoot technical issues and perform failure data analysis, including root cause and corrective action activities using advanced laboratory and field test equipment • Complete and compile detailed performance evaluations using engineering analysis tools such as MATLAB • Prepare and present engineering results through reports and technical briefings to internal and external stakeholders • Support engineering activities related to the testing and troubleshooting of hardware systems • Perform root-cause analysis and support the implementation of minor design changes • Support the maintenance of engineering specifications, including design specifications, analysis requirements documents, schematics, and assembly drawings • Support the maintenance and management of engineering databases • Participate in engineering tag-ups and technical meetings involving the Program, Systems Engineering, Chief Engineer, and customer organizations • Resolve and coordinate system-level technical solutions with multidisciplinary engineering teams • Participate in periodic team meetings, interface teleconferences, and technical working groups • Support associated engineering tasks required to implement program and process requirements • Support mockup hardware installation, integration, and repair activities • Support sustainment, depot returns, troubleshooting, and repair activities What You Will Learn After completing comprehensive on-the-job training, you will become part of a team supporting RF Hardware Engineering, Systems Engineering, and Systems Integration and Test activities across the full product development lifecycle. You will gain hands-on experience supporting complex RF systems and hardware from design and development through integration, testing, fielding, sustainment, and customer support. Qualifications You Must Have • Typically requires a Bachelor's Degree in Science, Technology, Engineering, or Mathematics (STEM) and a minimum of2 years of prior relevant experience • Experience using engineering and analysis tools such as Microsoft Office, MATLAB, Ansys HFSS, Python, or similar tools for data analysis and automation • Experience troubleshooting technical issues involving electronic systems in an academic, internship, laboratory, or professional work environment • Experience using common commercial test equipment, such as oscilloscopes, spectrum analyzers, signal generators, or similar laboratory instrumentation • Active and transferable DoD TS/SCI U.S. government-issued security clearance is required prior to start date Qualifications We Prefer • Experience with reflector system design, antenna feed design, solid-state amplifier performance parameters, high-power tube amplifier technology, and associated key performance characteristics • Experience with computer networking, basic cybersecurity principles, and cybersecurity/INFOSEC practices • Experience with CompTIA Security+ certification or equivalent cybersecurity experience • Experience working with electrical schematics, interface control documentation, and communications protocols • Experience using instrumentation to collect and analyze large data sets • Experience applying scripting, automation, or engineering tools to data collection and analysis What We Offer • Our values drive our actions, behaviors, and performance with a vision for a safer, more connected world. At RTX we value: Safety, Trust, Respect, Accountability, Collaboration, and Innovation • Relocation eligible Learn More & Apply Now! Please consider the following role type definition as you apply for this role: • Onsite: Employees who are working in onsite roles will work primarily onsite. This includes all production and maintenance employees, as they are essential to the development of our products. • This position may require a security clearance. DCSA Consolidated Adjudication Services (DCSA CAS), an agency of the Department of Defense, handles and adjudicates the security clearance process. More information about Security Clearances can be found on the U.S. Department of State website here: • Location: Aurora, CO: As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. The salary range for this role is 68,900 USD - 131,100 USD. The salary range provided is a good faith estimate representative of all experience levels. RTX considers several factors when extending an offer, including but not limited to, the role, function and associated responsibilities, a candidate's work experience, location, education/training, and key skills. Hired applicants may be eligible for benefits, including but not limited to, medical, dental, vision, life insurance, short-term disability, long-term disability, 401(k) match, flexible spending accounts, flexible work schedules, employee assistance program, Employee Scholar Program, parental leave, paid time off, and holidays. Specific benefits are dependent upon the specific business unit as well as whether or not the position is covered by a collective-bargaining agreement. Hired applicants may be eligible for annual short-term and/or long-term incentive compensation programs depending on the level of the position and whether or not it is covered by a collective-bargaining agreement. Payments under these annual programs are not guaranteed and are dependent upon a variety of factors including, but not limited to, individual performance, business unit performance, and/or the company's performance. This role is a U.S.-based role. If the successful candidate resides in a U.S. territory, the appropriate pay structure and benefits will apply. RTX anticipates the application window closing approximately 40 days from the date the notice was posted. However, factors such as candidate flow and business necessity may require RTX to shorten or extend the application window. RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans' Readjustment Assistance Act. Privacy Policy and Terms: Click on this link to read the Policy and Terms

Job Title: Technical Writer II Location: Remote/Hybrid - DHS CISA, 4200 Wilson Boulevard, Arlington, VA 22203 and 4601 N. Fairfax Drive, Arlington, VA 22203. Work Schedule: Monday through Friday. Security Requirements: Must be a US Citizen eligible to Obtain/Maintain a DHS/CISA Public Trust level clearance AttainX is seeking a Technical Writer II to support the Department of Homeland Security (DHS), Cybersecurity and Infrastructure Security Agency (CISA), Critical Infrastructure Collaboration Platform (CICP). This position creates and publishes technical documentation, manuals, and user materials supporting transformation, technology adoption, and service experience. The writer collects and interprets technical information and coordinates document layout and publication for leadership, stakeholders, and end users. This role receives direction in several aspects of the work while gaining exposure to more complex documentation assignments. Qualifications and Education Requirements: Bachelor's degree; a degree in technical communication, English, communications, information technology, or a related field is preferred.2-4 years of related experience in technical writing, technical documentation, or a comparable role.Experience creating, editing, and publishing technical documentation, manuals, user guides, and training materials.Ability to collect and interpret technical data through interviews, document reviews, and collaboration with subject matter experts.Ability to translate technical concepts, engineering updates, and system changes into clear language for technical and nontechnical audiences.Experience organizing content, coordinating publication layouts, and using document authoring, editing, and collaboration tools.Working knowledge of Section 508 accessibility, plain language principles, and document formatting and branding standards.Familiarity with documentation repositories, version control, review and approval workflows, and maintaining accurate document histories.Excellent writing, editing, analytical, and organizational skills; ability to manage deadlines and incorporate stakeholder feedback.Ability to work collaboratively with periodic direction and safeguard sensitive information; Federal or DHS/CISA documentation experience is preferred.Must be a US Citizen, able to obtain and maintain DHS Public Trust clearance. Job Duties: The Technical Writer II supports technical documentation, transformation enablement, and user adoption for CICP systems and processes. Responsibilities include: Create, edit, maintain, and publish technical documentation and manuals describing CICP applications, processes, features, and system changes.Collect and interpret technical data and information from developers, engineers, analysts, and other subject matter experts; verify content accuracy and resolve documentation gaps.Coordinate document structure, layout, illustrations, tables, screenshots, and publication formats to make technical information clear and usable.Translate technical concepts, engineering updates, and development milestones into concise, accessible executive summaries, weekly reports, and stakeholder communications.Develop user guides, onboarding materials, FAQs, training documentation, and process instructions that support adoption of new technologies and workflows.Document transformation planning, implementation activities, decisions, milestones, and post-implementation reviews; maintain transformation activity logs.Collaborate with technical and service experience teams to document system integrations, interface changes, and effects on user workflows.Apply applicable Federal, DHS, and CISA documentation standards, including Section 508 accessibility, plain language, and agency branding requirements.Maintain version-controlled documentation repositories and revision histories; coordinate review, approval, and publication through established processes.Gather stakeholder feedback, assess content clarity and usability, and make iterative improvements to documentation and training materials.Support reporting on transformation success measures and key performance indicators by documenting approved metrics, results, and lessons learned.Support approved documentation automation and communication workflows, including use of authorized large language model tools; review generated content for accuracy and appropriate handling of information.Coordinate initial drafts and recurring updates with the manager, track assignments and deadlines, and support training delivery and knowledge transfer.Protect sensitive information, including Protected Critical Infrastructure Information (PCII), and confirm appropriate access and release approvals before publication. Non-Essential Functions: Other related duties as assigned. About Us AttainX, Inc. delivers technology solutions, software products, and professional services to Federal Government customers. Our people are central to achieving our customers' missions. We support quality, collaboration, and employee growth through teamwork and professional development. Benefits We are proud to offer competitive compensation and benefits packages, including paid vacation, medical, dental, and vision insurance, a matching 401(k) plan, tuition/training reimbursement, and long- and short-term disability coverage, subject to plan terms and eligibility. EEO Commitment: AttainX is an equal employment opportunity employer committed to a workplace free from discrimination. We provide equal opportunity to applicants and employees without regard to race, color, religion, sex, national origin, age, disability, protected veteran status, or any other status protected by applicable law. Accommodations: Applicants and employees who need a reasonable accommodation for the application process or to perform essential job functions may contact Human Resources at AttainX. Physical Demands: This position primarily involves computer-based work, developing and reviewing documentation, and communicating with team members and stakeholders. Essential functions may be performed with or without reasonable accommodation. Work Environment: Work locations are DHS CISA, 4200 Wilson Boulevard and 4601 N. Fairfax Drive, Arlington, VA 22203. General contract hours are 8:00 a.m. to 4:00 p.m. Eastern Time, Monday through Friday, excluding federal holidays, with core availability from 9:00 a.m. to 3:00 p.m. Office noise is generally moderate. Occasional work outside normal hours, including weekends and holidays, may be required for crisis response or critical IT issues. Compensation details: 0 Yearly Salary PI16d45d1b078d-7834