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145 system integration test engineer jobs found in Littleton

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Lockheed Martin
Mar 19, 2026
Entry Level System Integration/Test Engineer - FBM
Lockheed Martin Littleton, CO, USA
Description: 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 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 Space is seeking a Senior System...
Lockheed Martin
Mar 10, 2026
System Integration/Test Engineer - Electrical
Lockheed Martin Littleton, CO, USA
Description: Lockheed Martin Space in Littleton, CO is seeking a System Integration/Test Engineer to join our team at Lockheed Martin Space in Littleton, CO. As a Test Engineer, you will play a critical role in the development and execution of test procedures for power and avionics flight hardware. You will utilize your knowledge of engineering drawings, schematics, sketches, specifications, and standards to interpret specification and requirements documents and write test procedures for electrical functional and environmental testing. The successful candidate will have experience and/or knowledge of the following: engineering drawings, schematics, sketches, specifications, and standards; circuit card components; and any computer software language application and software skills. This position is located at a facility that requires special access. Key Responsibilities: • Interpret specification and requirements documents to write test procedures for the functional and...
Lockheed Martin
Feb 05, 2026
System Integration and Test Engineer 2
Lockheed Martin Littleton, CO, USA
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
Feb 17, 2026
Systems Integration and Test Engineer- CORE Team
Lockheed Martin Littleton, CO, USA
Description: 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 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. -- The Critical Operations, Readiness and Execution (CORE) Team...
Lockheed Martin
Feb 11, 2026
Staff Systems Integration and Test Engineer
Lockheed Martin Littleton, CO, USA
Description: Lockheed Martin is seeking a Staff level (Level 4) Systems Integration & Test Engineer to support the integration of the Conventional Prompt Strike (CPS) weapon system onto U.S. Navy submarines. In this senior technical lead role you will shape the end to end integration strategy, drive risk based decision making across the CPS industry and government ecosystem, and mentor the next generation of engineers. You will influence requirements, define architecture, and ensure the technical integrity of CPS submarine interface activities from concept through fielding. As the Platform Integration Systems Integration & Test Staff Engineer, you will: • Own the technical roadmap for CPS‑submarine integration, including power, thermal, data, mechanical, and structural interfaces. • Integrate knowledge from naval architecture, weapons control, ship‑yard processes, and certification standards to ensure a coherent system design. • Set integration objectives, define the...
Lockheed Martin
Mar 24, 2026
Software Engineer (E2_CO)
Lockheed Martin Littleton, CO, USA
Description: WHO WE ARE The Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team that will carry on our 80-year tradition-making history in advanced aircraft development. The vehicle management software team writes software for a wide range of aircraft subsystems that make an airplane fly. We are a highly innovative fast paced team working developing modular and reusable software to support both our current platforms and the aircraft of the future. WHAT’S IN IT FOR YOU 3-day weekend every weekend! 4-10 Mon-Thursday option + Flexible Schedules This team is working new development software where our team members get to work hands on from the lab to the aircraft in all stages of development, including design, code, integration, and lab and field test. We work on a wide range of technologies and give our team members the opportunity to drive their career towards their area of interest. You...
Lockheed Martin
Mar 24, 2026
Software Engineer (E3_CO)
Lockheed Martin Littleton, CO, USA
Description: WHO WE ARE The Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team that will carry on our 80-year tradition-making history in advanced aircraft development. The vehicle management software team writes software for a wide range of aircraft subsystems that make an airplane fly. We are a highly innovative fast paced team working developing modular and reusable software to support both our current platforms and the aircraft of the future. WHAT’S IN IT FOR YOU 3-day weekend every weekend! 4-10 Mon-Thursday option + Flexible Schedules This team is working new development software where our team members get to work hands on from the lab to the aircraft in all stages of development, including design, code, integration, and lab and field test. We work on a wide range of technologies and give our team members the opportunity to drive their career towards their area of interest. You...
Lockheed Martin
Mar 24, 2026
Software Engineer (E4_CO)
Lockheed Martin Littleton, CO, USA
Description: WHO WE ARE The Skunk Works (Lockheed Martin Advanced Development Programs) is looking for world-class talent in Software Engineering to be a part of a team that will carry on our 80-year tradition-making history in advanced aircraft development. The vehicle management software team writes software for a wide range of aircraft subsystems that make an airplane fly. We are a highly innovative fast paced team working developing modular and reusable software to support both our current platforms and the aircraft of the future. WHAT’S IN IT FOR YOU 3-day weekend every weekend! 4-10 Mon-Thursday option + Flexible Schedules This team is working new development software where our team members get to work hands on from the lab to the aircraft in all stages of development, including design, code, integration, and lab and field test. We work on a wide range of technologies and give our team members the opportunity to drive their career towards their area of interest. You...
Lockheed Martin
Mar 24, 2026
RF Engineer Staff
Lockheed Martin Littleton, CO, USA
Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently May 2026. Any job offers extended to chosen candidates will include a contingency clause stating that the offer is dependent on Lockheed Martin securing the contract.*** Position details: Location: Littleton, CO Work Schedule: 9x80 Position type: Full-time onsite (this is not a hybrid position) _____________________________________________ Lockheed Martin Space is seeking a mid-career career RF Engineer to join our team in Littleton, CO ! As an RF Engineer, you will architect, design, and develop RF systems and circuitry, including receivers, transmitters, antennas, and frequency synthesizers. You will perform hardware layout, component evaluation, prototype construction, and test, while supporting manufacturing during assembly and verification. You will also develop RF system and subsystem architectures, perform link analysis, and track technical...
Lockheed Martin
Mar 24, 2026
Senior RF Engineer
Lockheed Martin Littleton, CO, USA
Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently May 2026. Any job offers extended to chosen candidates will include a contingency clause stating that the offer is dependent on Lockheed Martin securing the contract.*** Position details: Location: Littleton, CO Work Schedule: 9x80 Position type: Full-time onsite (this is not a hybrid position) _____________________________________________ Lockheed Martin Space is seeking an RF Engineer to join our team in Littleton, CO ! As an RF Engineer, you will architect, design, and develop RF systems and circuitry, including receivers, transmitters, antennas, and frequency synthesizers. You will perform hardware layout, component evaluation, prototype construction, and test, while supporting manufacturing during assembly and verification. You will also develop RF system and subsystem architectures, perform link analysis, and track technical performance...
Lockheed Martin
Mar 21, 2026
Systems Engineer - Requirements and Verification Sr.
Lockheed Martin Littleton, CO, USA
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 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Mar 21, 2026
Systems Engineer - Requirements and Verification Sr.
Lockheed Martin Littleton, CO, USA
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 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Mar 21, 2026
Responsible System Engineer - LE Missile
Lockheed Martin Littleton, CO, USA
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. The Fleet Ballistic Missile (FBM) Program is seeking a Responsible Engineer to...
Lockheed Martin
Mar 21, 2026
Weapon Control System Test Engineer
Lockheed Martin Littleton, CO, USA
Description: "Ahead of Ready" At Lockheed Martin, we are shaping the future of space exploration and defense. As a leader in the new space age, we are known for our pioneering spirit, collaborative partnerships, innovative thinking, and commitment to building remarkable products. Our team is dedicated to making a positive impact on the world by leveraging our unique skills and experiences to tackle complex engineering challenges. We are passionate about delivering exceptional results and creating a better tomorrow. We are at the forefront of hypersonic missile development, and we want you to be a part of this exciting journey. Our Conventional Prompt Strike (CPS) program is creating the first hypersonic system for the U.S. Navy, and we are looking for talented individuals to join our team. If you share our passion for innovation and our commitment to making a difference in the world, we welcome you to join us. Lockheed Martin is seeking a Systems Engineer to join the...
Lockheed Martin
Mar 21, 2026
Space Vehicle Electrical Test Engineer Stf - CLEARANCE REQUIRED
Lockheed Martin Littleton, CO, USA
Description: Must have an Active Top Secret w/ Poly clearance 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...
Lockheed Martin
Mar 21, 2026
Space Vehicle Electrical Test Engineer Sr - CLEARANCE REQUIRED
Lockheed Martin Littleton, CO, USA
Description: Must have an Active Top Secret w/ Poly clearance 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...
Lockheed Martin
Mar 21, 2026
Space Vehicle Electrical Test Engineer Sr Stf - CLEARANCE REQUIRED
Lockheed Martin Littleton, CO, USA
Description: Must have an Active Top Secret w/ Poly clearance 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...
Lockheed Martin
Mar 21, 2026
Electronics Engineer Sr Stf
Lockheed Martin Littleton, CO, USA
Description: Join Our Team as an Electronics Responsible Product Engineer where you will work on the development of deep space exploration avionics. 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...
Lockheed Martin
Mar 20, 2026
Senior Reliability Engineer
Lockheed Martin Littleton, CO, USA
Description: "Ahead of Ready" 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. 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 About the Team: As part of the central reliability team, the...
Lockheed Martin
Mar 19, 2026
Electronics Engineer Sr
Lockheed Martin Littleton, CO, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space. At the dawn of a new space age, 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 day we use our unique skills and experiences to create, design and build solutions to some of the world’s hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you. Do you have a commitment to success, proven interpersonal skills, a positive outlook? Are you a creative thinker and problem solver? Are you looking for a meaningful career to lead and contribute - with growth opportunities? If so, then we would love to speak with you! The Testbed & Simulation Product Line is a fast paced, highly...
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