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124 system integration and test engineer jobs found in Littleton

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Littleton United States system integration and test engineer
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Lockheed Martin
Jul 14, 2026
System Integration and Test Engineer
Lockheed Martin Littleton, CO
Description: WHO WE ARE Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products. This position is for a Systems Integration/Test Engineer on the Radiant Mercury product within the TSS program. Radiant Mercury is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years. WHAT WE’RE DOING At LM we engineer innovative solutions to deliver resilient systems, products, and services across evolving cyber threats. Strong, resiliency-focused engineering is essential to protecting customer platform/weapon systems from increasingly sophisticated threats. The Radiant Mercury program delivers secure cross-domain solutions to our customers, enabling the controlled transfer of information between different security domains. This role is critical in safeguarding the confidentiality, integrity, and availability of...
Lockheed Martin
Jul 14, 2026
System Integration and Test Engineer
Lockheed Martin Littleton, CO
Description: WHO WE ARE Lockheed Martin (LM) Rotary and Mission Systems (RMS) is looking for engineering professionals to work on the Trusted Security Solutions (TSS) program to engineer Cross-Domain Solution (CDS) products. This position is for a Systems Integration/Test Engineer on the Radiant Mercury product within the TSS program. Radiant Mercury is the US Navy's premier CDS product and LM has been the prime contractor for over 20 years. WHAT WE’RE DOING At LM we engineer innovative solutions to deliver resilient systems, products, and services across evolving cyber threats. Strong, resiliency-focused engineering is essential to protecting customer platform/weapon systems from increasingly sophisticated threats. The Radiant Mercury program delivers secure cross-domain solutions to our customers, enabling the controlled transfer of information between different security domains. This role is critical in safeguarding the confidentiality, integrity, and availability of...
Lockheed Martin
Jun 12, 2026
System Integration and Test Engineer 2
Lockheed Martin Littleton, CO
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. Do you have a passion for working on emerging technologies? Hypersonic Strike Weapon...
Lockheed Martin
Jul 02, 2026
Systems Integration and Test Engineer Senior
Lockheed Martin Littleton, CO
Description: Lockheed Martin is seeking an experienced Senior Systems Integration & Test Engineer to join the Conventional Prompt Strike (CPS) Platform Integration Integrated Product Team (IPT) focused on CPS installation on US Navy destroyers and submarines. In this role you will be involved in the system of systems integration of CPS weapon system onto the US Navy platforms, with an emphasis on the electrical integration architecture and design. You will be involved in development, integration, and test of the CPS weapon system electrical interfaces. You will work with engineers across the program to ensure success within critical deployment schedules. In this role you will be expected to identify areas of technical concern, engage teammates to develop key solutions, and support implementation of the solutions. This role gives you an opportunity for involvement in weapon system development across the program lifecycle: influencing requirements for new technology...
Lockheed Martin
Jul 18, 2026
Space Vehicle Test Engineer Sr Str
Lockheed Martin Littleton, CO
Description: Must have an Active Top Secret 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 What are Space Protection Programs (SPP)? When you join SPP...
Lockheed Martin
Jul 18, 2026
Space Vehicle Test Engineer Sr
Lockheed Martin Littleton, CO
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space. Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Do you want to join a team where employees envision the impossible, perform with excellence and build incredible products? What are Space Protection Programs (SPP)? When you join SPP you will be part of one of the most innovative and fastest moving organizations in Space. Come help build end-to-end Space Security Systems and utilize our cutting-edge capabilities to assure the security and health of our nation’s space assets. We push the boundary of what gets done in space. Come be one of the people playing a critical role to defeat the enemies of freedom. We are seeking a Space Vehicle Test Engineer to work within the...
Lockheed Martin
Jul 16, 2026
Electronics Engineer III, Secret Clearance
Lockheed Martin Littleton, CO
Description: Join Our Team as an Electronics Engineer and become a member of the US Navy's Fleet Ballistic Missile (FBM) D5 Life Extension 2 (D5LE2) Avionics team. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space 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...
Lockheed Martin
Jul 16, 2026
Electronics Engineer II – Early Career (Spacecraft Test Systems)
Lockheed Martin Littleton, CO
Description: As part of the Engineering and Technology Raptor Avionics Organization at Lockheed Martin Space, this Electronics Engineering role supports the development of electronic hardware and test systems that ensure mission success for spacecraft and ground systems. Location: This position does not support teleworking ;the selected candidate will be located near our Lockheed Martin Space facility in: Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Our team develops electronic circuits, test equipment, and hardware used in spacecraft integration and environmental test environments. • As a Circuit Design Engineer, you will design, develop, integrate, and sustain electronic circuits and test equipment while working in a collaborative, multidisciplinary engineering environment. • This role includes circuit design, schematic development, hardware integration, and support of hardware test and...
Lockheed Martin
Jul 16, 2026
Circuit Design Engineer III, Avionics, Secret Clearance
Lockheed Martin Littleton, CO
Description: Join Our Team as an Avionics Circuit Design Engineer where you will work on the development of a sophisticated state-of-the-art avionics product in a world class Integrated Product Development environment. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space 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...
Lockheed Martin
Jul 16, 2026
Circuit Design Engineer III, Avionics, Secret Clearance
Lockheed Martin Littleton, CO
Description: Join Our Team as an Avionics Circuit Design Engineer where you will work on the development of a sophisticated state-of-the-art avionics product in a world class Integrated Product Development environment. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space 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...
Lockheed Martin
Jul 15, 2026
Senior RF Engineer
Lockheed Martin Littleton, CO
Description: Position details: Location: Littleton, CO Work Schedule: 9x80 Position type: Full-time onsite (this is not a hybrid position) 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, in-vest, 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 work-force 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...
Lockheed Martin
Jul 15, 2026
Circuit Design Engineer IV, Avionics, Secret Clearance
Lockheed Martin Littleton, CO
Description: Join Our Team as an Avionics Circuit Design Engineer where you will work on the development of a sophisticated state-of-the-art avionics product in a world class Integrated Product Development environment. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space 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...
Lockheed Martin
Jul 14, 2026
Circuit Design Engineer III, Secret Clearance
Lockheed Martin Littleton, CO
Description: Join Our Team as an Avionics Circuit Design Engineer where you will work on the development of a sophisticated state-of-the-art avionics product in a world class Integrated Product Development environment. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton CO and be expected to work a flexible 9x80 schedule in the office full-time. About Lockheed Martin Space 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...
Lockheed Martin
Jul 14, 2026
Model Based Systems Engineer (Level 2)
Lockheed Martin Littleton, CO
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: 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...
Lockheed Martin
Jul 11, 2026
Systems Engineer Sr. - Mechanical Integration
Lockheed Martin Littleton, CO
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. For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Jul 11, 2026
Systems Engineer, Senior Staff
Lockheed Martin Littleton, CO
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. Lockheed Martin is looking for a Systems Engineer, Senior Staff to lead the Embedded PSOC...
Lockheed Martin
Jul 11, 2026
Systems Engineer, Senior Staff
Lockheed Martin Littleton, CO
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. Lockheed Martin is looking for a Systems Engineer, Senior Staff to lead the Embedded PSOC...
Lockheed Martin
Jul 10, 2026
Systems Engineer - Clearance Required
Lockheed Martin Littleton, CO
Description: Who We Are: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work.  At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. This is a place for engineers, scientists, and problem-solvers who are ready to engage deeply, think critically, and build with purpose. You will not just launch a career. You will be part of something bigger. This is where the best are built. What...
Lockheed Martin
Jul 10, 2026
Systems Engineer - Systems Integration
Lockheed Martin Littleton, CO
Description: Lockheed Martin “Ahead of Ready” 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. We are at the forefront of hypersonic missile...
Lockheed Martin
Jul 08, 2026
Systems Engineer, Senior
Lockheed Martin Littleton, CO
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. As a Systems Engineer Sr, you will: • Provide independent review and cross-program...
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