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196 system integration and test engineer jobs found in Longmont, CO

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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
Jun 04, 2026
Systems Integration and Test Engineer
Lockheed Martin Boulder, CO
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: 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 worlds’ 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. 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 worlds’ hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the...
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 02, 2026
Systems Engineer Associate Manager-Level 4
Lockheed Martin Louisville, CO
Description: We are Lockheed Martin You will be the Systems Engineer Associate Manager for the Hardware Development team which is responsible for delivering integrated hardware and software solutions for advanced aerospace programs. What You Will Be Doing As the Systems Engineer Associate Manager you will be responsible for leading a multidisciplinary team that designs, develops, and validates embedded systems, SoCs, and FPGA‑based solutions for the F‑35, F‑16, and Skunk Works mission sets. You will drive architectural decisions, mentor engineers, and ensure delivery within Agile development cycles. Your responsibilities will include: Guiding the team through all phases of software development, from requirements to verification. Supporting team creating architecture designs, logic designs, and system simulations for complex embedded platforms. Leading Skunk Works research and development efforts and translating breakthroughs into production‑ready solutions. Performing...
Lockheed Martin
Jul 02, 2026
Systems Engineer Stf
Lockheed Martin Boulder, CO
Description: Curious where the nation is going with Overhead Persistent Infrared? Join Lockheed Martin's team that crafts and builds the current and future generation of space systems that creatively combines satellite technology, sophisticated sensors, and data processing to provide crucial global infrared data 24/7. This mission advises Presidential decisions and defends the US and its allies in a rapidly evolving environment. Help us advance our OPIR designs and deliver survivable satellites with nuclear-hardened electronics, sophisticated communications, resiliency and cyber security. OPIR is a mission area where you can make big things happen and solve some of the country’s hardest problems. Come join a team that has a vision for the future of space and knows what it takes to get there. Lockheed Martin is looking for an energetic Systems Engineer to join the Next Generation GEO (NGG) team in Denver, Colorado. This position is in support of the NextGen OPIR program,...
Lockheed Martin
May 29, 2026
Database Administrator / Level 3
Lockheed Martin Boulder, CO
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. 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...
Lockheed Martin
May 29, 2026
Systems Engineer-IT / Level 4
Lockheed Martin Boulder, CO
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 4 Systems Engineer-IT with a Secret clearance to work from our Boulder, CO location . As Systems Engineer-IT, you will: Perform technical planning, system...
Lockheed Martin
May 29, 2026
Systems Engineer-IT / Level 3
Lockheed Martin Boulder, CO
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 Systems Engineer-IT with a Secret clearance to work from our Boulder, CO location . As Systems Engineer-IT, you will: Perform technical planning, system...
Lockheed Martin
May 23, 2026
Database Administrator - Early/Mid Career
Lockheed Martin Boulder, CO
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. 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...
Lockheed Martin
May 23, 2026
Systems Engineer Senior
Lockheed Martin Boulder, 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. OVERVIEW: Curious where the nation is going with Overhead Persistent Infrared? Join...
General Dynamics Mission Systems, Inc
May 12, 2026
Advanced Software Systems Engineer
General Dynamics Mission Systems, Inc Boulder, CO
Basic Qualifications Education Requirements: Bachelor's degree in Systems Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree, plus a minimum of 3 years of relevant experience.   Clearance Requirements: Department of Defense Secret security clearance is required at time of hire.  Top Secret preferred.  Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES:   Developing mission-critical systems that help keep people safe is what we do. At General Dynamics Mission Systems, you’ll be part of the team that helps heroes make a true impact. The work we do is important. The challenges we...
Lockheed Martin
Jun 19, 2026
ASIC/FPGA Design Engineer III
Lockheed Martin Denver, CO
Description: Join Our Team as a ASIC/FPGA 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 ; the selected candidate will be located near our Lockheed Martin Space facility in: • Sunnyvale CA • Denver CO • Highlands Ranch CO You will be working 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...
Lockheed Martin
Jun 06, 2026
ASIC/FPGA Design Engineer III, Secret Clearance
Lockheed Martin Denver, CO
Description: Join Our Team as a ASIC/FPGA 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 ; the selected candidate will be located near our Lockheed Martin Space facility in: • Sunnyvale CA • Denver CO • Highlands Ranch CO You will be working 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...
Lockheed Martin
Jun 02, 2026
ASIC/FPGA Design Engineer III
Lockheed Martin Denver, CO
Description: Join Our Team as a ASIC/FPGA 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 ; the selected candidate will be located near our Lockheed Martin Space facility in: • Sunnyvale CA • Denver CO • Highlands Ranch CO You will be working 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...
Lockheed Martin
Jul 08, 2026
Cable and Harness ElectroMechanical Engineer II
Lockheed Martin Englewood, CO
Description: Join us at Lockheed Martin as an ElectroMechanical Engineer where you will be responsible for product design, development, and production support for the Cable and Interconnects team on the Fleet Ballistic Missile (FBM) Program. Location: This position does not support teleworking; the preferred candidate will be located near our Lockheed Martin Space facility one of the Coolest places to work: Englewood CO or Littleton CO , and be expected to work in the office. What does this role look like? The Fleet Ballistic Missile Avionics team is seeking an experienced Electromechanical Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics Cable and Harnessing and ultimately advance them for flight use. Key activities you will accomplish in this role: • Develop Cable designs, performance and test requirements, and stress and thermal analysis. • Identify initial physical architecture for the...
Lockheed Martin
Jul 08, 2026
ElectroMechanical Harness Engineer III
Lockheed Martin Englewood, CO
Description: The Fleet Ballistic Missile Avionics team is seeking an experienced Lead Electromechanical Harness Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics Cable and Harnessing and ultimately advance them for flight use. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton or Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Support trade studies on cable and harness design approaches and will provide technical data for informal and formal design review documentation and presentations. • Coordinate with thermal, dynamic, stress, reliability, EMC, and survivability analyses to assure compliant designs. • Support manufacturing and test disciplines in minimizing cycle time and resolving problems. • Establish specifications for contract assemblers and...
Lockheed Martin
Jul 08, 2026
ElectroMechanical Harness Engineer III
Lockheed Martin Englewood, CO
Description: The Fleet Ballistic Missile Avionics team is seeking an experienced Electromechanical Harness Engineer who will work closely with senior engineers to develop preliminary 3D concept models of space flight avionics Cable and Harnessing and ultimately advance them for flight use. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Littleton or Englewood CO and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? • Support trade studies on cable and harness design approaches and will provide technical data for informal and formal design review documentation and presentations. • Coordinate with thermal, dynamic, stress, reliability, EMC, and survivability analyses to assure compliant designs. • Support manufacturing and test disciplines in minimizing cycle time and resolving problems. • Establish specifications for contract assemblers and...
Lockheed Martin
Jul 08, 2026
Electronics Engineering Associate Manager, FBM
Lockheed Martin Englewood, CO
Description: Join the Lockheed Martin team in support of the US Navy's Fleet Ballistic Missile (FBM) D5 Life Extension (D5LE) Avionics/Test Missile Kit (TMK) Engineering. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: Titusville FL and be expected to work a flexible 9x80 schedule in the office full-time. What does this role look like? We are looking for a highly motivated Electronics Engineer Associate Manager to become a member of the Missile Systems Engineering & Integration Team, supporting the US Navy's Fleet Ballistic Missile (FBM) D5 Life Extension (D5LE) Avionics/Test Missile Kit (TMK) Engineering. Key activities you will accomplish in this role: • Communicate technical status and issues internally to program leadership, technical leadership and functional leadership as well as externally to the customer. • Conducting personnel management for a portion of the Fleet Ballistic...
Lockheed Martin
Jul 03, 2026
Stress Analysis Engineer
Lockheed Martin Englewood, 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. The Stress Analysis Engineer will own moderate‑to‑complex structural‑analysis...
Lockheed Martin
Jul 02, 2026
Project Engineer Staff (IC4)
Lockheed Martin Englewood, CO
Description: The FBM Program is experiencing significant growth and we need your expertise to deliver amazing new technologies to our customers while maintaining the technical requirements of the strategic deterrence. Learn about the Trident II D5 Fleet Ballistic Missile. What does this role look like? Join us as a Project Engineer for the FBM program where you will be involved in planning and executing avionics work scope and program execution. Key activities you will accomplish in this role: • Ensure that projects meeting on cost, schedule, and technical objectives, following established procedures and work plans. • Coordinate the planning, organizing, control, integration and completion of engineering projects within area of assigned responsibility. • Ensure engineering is coordinated across program and suppliers Typical mins for this role: • 5+ years of professional experience for this role. BENEFITS OF EMPLOYMENT: Learn more about Lockheed Martin’s...
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