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33 systems engineer sr level 3 jobs found

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Lockheed Martin
May 01, 2026
Systems Engineer Sr, Level 3
Lockheed Martin King of Prussia, PA
Description: At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. • Generating and simulating operational level plans to explore the art of the possible, how we could defend the ultimate high ground in a future space war • Dynamically optimizing both terrestrial and space-based sensors to provide comprehensive space domain awareness • Strategically optimizing the placement and maneuvering of constellations of satellites to satisfy...
Lockheed Martin
Jun 09, 2026
Systems Engineer Sr - Integration & Test - Level 3
Lockheed Martin Fort Worth, TX
Description: You will be the Systems Integration & Test Engineer Sr for the Architecture, Design, Integration & Test (ADIT) – F-35 Sensor Systems Integration & Test (SI&T) team which is responsible for mission system capability integration & maturation, verification testing and regression testing for all F-35 modernization efforts. What You Will Be Doing As the Systems Integration & Test Engineer Sr you will be responsible for technical test planning and execution of the F‑35 Sensor Suite, including Radar, Electronic Warfare (EW), Countermeasures (CM), Electro‑Optical (EO)sensors and Fusion. You will ensure the SI&T process follows prescribed engineering standards and continuously improves those processes. Your responsibilities will include: Generate test plans and detailed test procedure documentation. Coordinate test objectives and execute testing across agile development teams. Conduct system‑level testing in...
Lockheed Martin
Jul 16, 2026
Sr. Quality Engineer, Advanced Programs - Secret Clearance Required
Lockheed Martin Orlando, FL
Description: You will be the Sr. Quality Engineer, Advanced Programs for the Advanced Programs Special Programs team. Our team is responsible for delivering advanced program solutions with uncompromising quality. What You Will Be Doing As the Sr. Quality Engineer, Advanced Programs you will be a part of shaping and safeguarding the quality of our products and processes in a dynamic development environment. Your responsibilities will include, but are not limited to: Developing and reviewing quality standards, processes, methods, work instructions, and procedures for manufactured and procured products Collaborating with cross‑functional teams to ensure quality standards are implemented and met Identifying, trending, and resolving non‑conformances in a timely manner Driving corrective‑action initiatives with suppliers and internal stakeholders Mentoring junior engineers and fostering a collaborative, data‑driven culture Why Join Us The ideal...
Lockheed Martin
Jul 15, 2026
Hardware Engineer Senior (OCONUS/Day Staff )
Lockheed Martin Bethesda, MD
Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more - we can innovate, invest, inspire and integrate our capabilities to transform the future. And we’re reimagining how space can connect us, ensuring security and prosperity. THE WORK Lockheed Martin is seeking a talented level 3 Sr. Hardware Engineer with a TS/SCI w/Poly clearance to work from an OCONUS location . This is an EARLY-MID CAREER (level 3) ROLE where candidates typically...
Lockheed Martin
Jul 09, 2026
Product Quality Engineer Staff
Lockheed Martin Liverpool, NY
Description: WHAT WE'RE DOING This position for a Product Quality Engineer Staff on the LM Rotary & Mission Systems (RMS) Product Quality Team in Syracuse, will be focused on the radar program areas. The position will interact directly with Production teams on Product Quality Assurance (PQA) work tasks/priorities and functionally collaborates with the LM RMS PQA Manager. The candidate must have a proven history of strong performance and ability to take initiative across a variety of QA responsibilities/tasks on development and/or sustainment programs. He/she is expected to quickly come-up to speed with the products, work scope, technical requirements, program risks, and delivery achievement schedules. THE WORK Your responsibilities will include, but are not limited to: • Identify root causes and associated corrective actions, evaluate process/product performance, and participate/interface with the engineering and production counterparts on program activities to assure...
Lockheed Martin
Jul 08, 2026
System Safety Engineer Sr - Orlando, FL or Dallas, TX
Lockheed Martin Grand Prairie, TX
Description: You will be the System Safety Engineer (SSE) Sr for the Lockheed Martin Missiles and Fire Control team. Our team is responsible for ensuring the safety of products developed and sold to customers, with a focus on protecting the warfighter. What You Will Be Doing As the System Safety Engineer (SSE) Sr, you will be responsible for performing hazard analyses and recommending safety features to mitigate or eliminate hazards in system design, software, training, and procedures. You will work independently to develop and implement system safety programs, with a focus on supporting the Advanced Programs Line of Business. Your responsibilities will include: • Developing hazard analyses and safety assessments • Analyzing and recommending safety criteria in system design and procedures • Preparing and delivering technical presentations and documentation • Coordinating and leading System Safety Working Group meetings • Reviewing specifications and design changes for adverse...
Lockheed Martin
Jul 06, 2026
GNC Senior Performance Engineer - Dallas, TX or Orlando, FL
Lockheed Martin Grand Prairie, TX
Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. We are experiencing growth and looking for a Sr GNC Engineer to join our team in Orlando, FL OR Dallas, TX. What You Will Be Doing Representative areas of responsibility include performance analysis, generation of error budgets, hardware in the loop analysis, simulation modeling, fire control algorithm development, engage-ability analysis, development and refinement of guidance laws and autopilot algorithms, flight test support, seeker algorithm and truth modeling, and conducting trade studies. The Sr GNC Engineer will support the integration, test, verification and validation of missile...
Lockheed Martin
Jul 02, 2026
Electrical Engineer Sr - Level 3
Lockheed Martin Fort Worth, TX
Description: You will be the Electrical Engineer Sr for the Simulation and System Labs (SSL) team which is responsible for designing and delivering advanced simulation hardware lab environments. What You Will Be Doing As the Electrical Engineer Sr you will be responsible for leading the electrical design effort that enables realistic simulation and hardware‑in‑the‑loop lab capabilities. Your responsibilities will include: Develop and document wiring schematics, 2D drawings, parts lists, and configuration control for lab equipment. Perform systems requirements, estimation, and EVMS status coordination to meet cost and schedule targets. Coordinate procurement, vendor engagement, and fabrication liaison for power distribution and avionics interfaces. Oversee hardware checkout, troubleshooting, and integration of Man‑In‑The‑Loop and Hardware‑In‑The‑Loop systems. Provide Earned Value Management inputs and collaborate across hardware, systems, and...
Lockheed Martin
Jul 02, 2026
Mechanical Engineer Sr - Level 3
Lockheed Martin Fort Worth, TX
Description: You will be the Mechanical Engineer Sr for the Simulation and Systems Labs (SSL) team which is responsible for designing and delivering advanced simulation hardware lab environments. What You Will Be Doing As the Mechanical Engineer Sr you will be responsible for leading the mechanical design effort that enables realistic flight‑simulation testing. Your responsibilities will include: Lead mechanical 3D modeling and 2D drawing development for simulation hardware labs. Coordinate procurement, vendor engagement, and fabrication liaison for lab infrastructure. Oversee installation, checkout, and integration of HITL avionics and simulation equipment. Provide Earned Value Management inputs and collaborate across hardware, systems, and operations teams. What’s In It For You We are committed to supporting your work‑life balance and overall well‑being, offering flexible scheduling options. Learn more about Lockheed Martin’s...
Lockheed Martin
Jul 02, 2026
Sr. Skunk Works Subsystem Design Engineer - Level 3
Lockheed Martin Palmdale, CA
Description: You will be the Sr. Skunk Works Subsystem Design Engineer for the Advanced Development Programs (Skunk Works®) which is responsible for cutting‑edge aerospace subsystem design and integration. What You Will Be Doing As the Sr. Skunk Works Subsystem Design Engineer you will be responsible for crafting and refining aircraft subsystem designs, validating concepts, and ensuring flawless installations across the program. Your responsibilities will include: Develop, test, and validate new and modified subsystem designs Troubleshoot system malfunctions to determine root cause and corrective action Create and maintain 3‑D CATIA models, assemblies and installations, system requirements, interface/supplier control drawings, performance specifications, system checkout procedures and statements of work Create system requirements, trade studies, sub‑component and flight test plans Coordinate with suppliers, internal and external integrated product teams,...
Lockheed Martin
Jul 02, 2026
Senior RF Engineer
Lockheed Martin Moorestown, NJ
Description: WHAT WE'RE DOING As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. THE WORK We are seeking a talented engineer to report directly to the Manager of RF & Microwave Engineering. The Sr RF Engineer will significantly contribute to the design and development of hardware equipment to support antennas, phased array antennas, active electronic steerable phased array antennas, and associated distribution architectures for RADAR and other military systems. This includes lower level requirement development, component selection, schematic creation, printed wiring board design, prototype testing and supporting transition to production of the hardware. This position also requires the communication, interpersonal, and business skills needed to be a member of a...
Lockheed Martin
Jun 24, 2026
Sr Test Engineer - Andover, MA
Lockheed Martin Andover, MA
Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. We are experiencing growth and we are looking for a Sr Systems Integration and Test Engineer at Lockheed Martin's Andover, MA facility, to support the design, development, and maintenance of test consoles and automated test equipment (ATE) systems. What You Will Be Doing Our team is responsible for ensuring the production of reliable products that meet customer requirements, and you will play a key role in architecting new test stands, designing test solutions, and developing algorithms and techniques. Why Join Us We are committed to supporting your work-life balance and overall well-being,...
Lockheed Martin
Jun 19, 2026
Program Quality Engineer Sr
Lockheed Martin Kings Bay Base, GA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more— we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. **Please note, this role requires a Security Clearance prior to start and US Citizenship to...
Lockheed Martin
Jun 19, 2026
Safety Engineer Sr. - Level 3
Lockheed Martin Pinellas Park, FL
Description: You will be the Safety Engineer Sr. - Level 3 for the Safety & ESH team which is responsible for overseeing occupational safety, health, and environmental compliance across the plant. What You Will Be Doing As the Safety Engineer Sr. - Level 3 you will be responsible for developing, implementing, and continuously improving safety programs to ensure federal, state, and corporate ESH standards are met and workers return home safe every day. Your responsibilities will include: Verify that workplace conditions satisfy all applicable OSHA, EPA, and state occupational‑safety and health standards. Manage ESH policies, procedures, training, and metrics to sustain a robust safety culture. Analyze engineering plans, specifications, and purchase orders for new equipment to confirm required safety safeguards are included. Conduct regular plant inspections of fire‑suppression systems, safety equipment, machinery, and work areas, promptly...
Lockheed Martin
Jun 19, 2026
Industrial Engineer Sr.
Lockheed Martin Archbald, PA
Description: You will be the Industrial Engineer Sr. for Lockheed Martin Missiles & Fire Control in Archbald, PA. Our team is responsible for supporting operations across circuit‑card, cable & harness, electro‑mechanical, and fabrication manufacturing areas. What You Will Be Doing As an Industrial Engineering Sr. team member, you will be part of the Industrial Engineering team in Archbald. You may be supporting the Circuit Card, Assembly and/or Fabrication areas depending on the project or assignment. Your responsibilities will include, but are not limited to: Using lean six sigma methods, data analytics, and simulation tools to optimize production processes, improve productivity and present recommendations to project teams and leadership. Collaborating with cross-functional teams to develop excellence plans to improve the execution of production work including capacity planning, span time reduction, defect reduction, on-time starts/finishes, etc....
Lockheed Martin
Jun 12, 2026
Sr. Skunk Works Subsystem Design Engineer - Level 3
Lockheed Martin Palmdale, CA
Description: You will be the Sr. Skunk Works Subsystem Design Engineer for the Advanced Development Programs (Skunk Works®) which is responsible for advancing aerospace subsystem innovation. What You Will Be Doing As the Sr. Skunk Works Subsystem Design Engineer you will be responsible for leading the design, development, and validation of aircraft subsystems while collaborating across multidisciplinary teams. "Your responsibilities will include:" Develop, test, and validate new and modified subsystem designs. Troubleshoot system malfunctions to determine root cause and corrective action. Create and maintain 3‑D CATIA models, assemblies, installations, system requirements, and interface drawings. Generate system requirements, conduct trade studies, and draft sub‑component and flight test plans. Coordinate with suppliers, integrated product teams, management, and the customer. What’s In It For You We are committed to supporting your...
Lockheed Martin
Jun 06, 2026
Cyber Systems Security Engineer Sr (Stratford, CT)
Lockheed Martin Stratford, CT
Description: WHAT WE’RE DOING At Lockheed Martin - Rotary Mission Systems, we are leading the development of state-of-the-art technologies that are integral to national security and defense. As part of our ongoing commitment to advancing mission-critical solutions, we are focused on integrating cutting-edge cybersecurity measures to ensure the resilience and security of our systems. By embedding advanced cybersecurity features, we are enhancing the operational effectiveness and safety of our technologies in an increasingly complex digital landscape. THE WORK As a Cyber Systems Security Engineer Sr, you will support the integration of modern cybersecurity solutions across multiple Owego programs. You will play a critical role in ensuring our systems are not only effective but also resilient in the face of evolving threats. Key responsibilities include: Cybersecurity Design & Implementation: Support the decomposition of Statements of Work (SOW) into actionable,...
Lockheed Martin
Jun 06, 2026
Cyber Systems Security Engineer (Stratford, CT)
Lockheed Martin Stratford, CT
Description: WHAT WE’RE DOING At Lockheed Martin - Rotary Mission Systems, we are leading the development of state-of-the-art technologies that are integral to national security and defense. As part of our ongoing commitment to advancing mission-critical solutions, we are focused on integrating cutting-edge cybersecurity measures to ensure the resilience and security of our systems. By embedding advanced cybersecurity features, we are enhancing the operational effectiveness and safety of our technologies in an increasingly complex digital landscape. THE WORK As a Cyber Systems Security Engineer Sr, you will support the integration of modern cybersecurity solutions across multiple Owego programs. You will play a critical role in ensuring our systems are not only effective but also resilient in the face of evolving threats. Key responsibilities include: Cybersecurity Design & Implementation: Support the decomposition of Statements of Work (SOW) into actionable,...
Lockheed Martin
Jun 04, 2026
Industrial Engineer Sr Stf (Level 5)
Lockheed Martin Grand Prairie, TX
Description: You will be the Industrial Engineer Sr Stf (Level 5) for the Core Industrial Engineering Team. Our team is responsible for supporting 1LMX preparation and execution, leading engineering standardization across facilities, and owning roadmaps for digital integration. What You Will Be Doing As the Industrial Engineer Sr Stf (Level 5) you will be responsible for delivering high‑impact engineering solutions that enable efficient manufacturing operations. Your responsibilities will include, but are not limited to: Support all Industrial Engineering activities related to 1LMX preparation and execution. Lead standardization of time standards, Lean Six Sigma, layout optimization, and data governance across manufacturing facilities. Develop and maintain roadmaps and execution plans for engineering standardization and digital integration. Collaborate with cross‑functional teams to drive continuous improvement and ensure data integrity. Why...
Lockheed Martin
Jun 04, 2026
Aeronautical Engineer Sr - Level 3
Lockheed Martin Palmdale, CA
Description: You will be the Aeronautical Engineer Sr for the Advanced Development Programs – Skunk Works which is responsible for delivering breakthrough aerospace solutions. What You Will Be Doing As the Aeronautical Engineer Sr you will be responsible for leading the integration and design synthesis of the XR/AGM‑158 Flex weapon system family. Your responsibilities will include: Directing multidisciplinary trade studies across aerodynamics, materials, structures, propulsion, thermodynamics, electronics, controls, and actuation. Coordinating with fabrication, assembly, MRB, quality, and supply‑chain teams to ensure production readiness. Developing and presenting technical and administrative briefings to customers and internal stakeholders. Supporting capture activities, program planning, cost estimation, schedule development, and Bill of Estimate generation. Mentoring early‑career engineers and championing a collaborative One‑LM culture....
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