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41 senior security engineer jobs found in Littleton

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Littleton Lockheed Martin senior security engineer
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Lockheed Martin
Mar 31, 2026
ElectroMechanical Engineer II, Electronics Packaging
Lockheed Martin Littleton, CO, USA
Description: Join us at Lockheed Martin as an ElectroMechanical Engineer where you will be responsible for product design, development, and production support for the enterprise mechanical ground packaging and non-flight cable design 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. 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...
Lockheed Martin
Mar 27, 2026
Full Stack Architect
Lockheed Martin Littleton, CO, USA
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. The candidate will become part of the Space Classified Architecture and Governance Team. This role will provide build out support of architectures post Classified Architecture Review Board approval. Create a feedback loop to inform architecture designs. Identify and troubleshoot system issues and outages. Develop and maintain documentation related to system configurations, procedures, and troubleshooting. Perform root cause analysis and implement corrective actions Requirements collection, development of Operational concepts, use cases, mapping of business requirements to IT deployments to meet customer needs....
Lockheed Martin
Mar 27, 2026
Full Stack Architect
Lockheed Martin Littleton, CO, USA
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. The candidate will become part of the Space Classified Architecture and Governance Team. This role will provide build out support of architectures post Classified Architecture Review Board approval. Create a feedback loop to inform architecture designs. Identify and troubleshoot system issues and outages. Develop and maintain documentation related to system configurations, procedures, and troubleshooting. Perform root cause analysis and implement corrective actions Requirements collection, development of Operational concepts, use cases, mapping of business requirements to IT deployments to meet customer needs....
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 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 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 18, 2026
Software Engineer Sr Staff, Architect
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. Lockheed Martin is leading the way in hypersonic missile development and we want you to be a part of it! We are creating the first hypersonic boost/glide system for the US Army and Navy here on the Conventional Prompt Strike (CPS) program, and our NGC-SW Integrated Product Team (IPT) is responsible for the algorithms and software that control it. Our group includes the Navigation, Guidance, and Control (NG&C or GN&C) subsystem, which flies the missile and glide body, and the embedded Flight Software (FSW) which hosts the NG&C algorithms and provides health, status, and sequencing for the entire system. Additionally, we develop and maintain the Flight Software testbeds (HILs or...
Lockheed Martin
Mar 18, 2026
Senior Staff Project Engineer - Secret Clearance Required
Lockheed Martin Littleton, CO, USA
Description: Who We Are: Come join the Signals Reconnaissance Program within RMS to craft and develop outstanding solutions! The Signals Reconnaissance family of programs supports the C4ISR Line of Business (Command, Control, Communications, and Computers Intelligence, Surveillance and Reconnaissance) as well as Independent Research and Development (IRAD) efforts. These systems demand development of advanced software solutions as well as Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems, and information technology related responsibilities including design, development, and analysis of computer systems or programs based on and related to user or system design specifications; applying systems analysis techniques and procedures, including consulting with users to determine hardware, software, or system functional specifications. Analyses are performed at all levels of total...
Lockheed Martin
Mar 13, 2026
Lab Manager / Engineering Technician
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. Lockheed Martin is leading the way in hypersonic missile development and we want you to be a part of it! We are creating the first hypersonic boost/glide system for the US Army and Navy here on the Conventional Prompt Strike (CPS) program, and our NGC-SW Integrated Product Team (IPT) is responsible for the algorithms and software that control it. Our group includes the Navigation, Guidance, and Control (NG&C or GN&C) subsystem, which flies the missile and glide body, and the embedded Flight Software (FSW) which hosts the NG&C algorithms and provides health, status, and sequencing for the entire system. Additionally, we develop and maintain the Flight Software testbeds (HILs or...
Lockheed Martin
Mar 12, 2026
Software Quality Engineer, Asc. Mgr.
Lockheed Martin Littleton, CO, USA
Description: The mission matters. So do the people behind it. With advancing defense technology at our core, what sets us apart is a culture of collaboration, purpose, and impact. What is the mission? 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,...
Lockheed Martin
Mar 11, 2026
Electromagnetic Environmental Effects (E3) Engineer
Lockheed Martin Littleton, CO, USA
Description: "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. As an Electromagnetic Engineering Effects (E3) Engineer, you will support the System Engineering (SE) Special Disciplines Organization within...
Lockheed Martin
Mar 10, 2026
Project Engineer, Senior - Configuration Data Management
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 10, 2026
Computer Vision Software Engineer, Senior (Level III)
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. About the Team : You’ll collaborate with some of the...
Lockheed Martin
Mar 05, 2026
RF Engineer / Mission Analysis IV
Lockheed Martin Littleton, CO, USA
Description: Protecting what matters most is the mission that matters most. 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. The Lockheed Martin Space Mission Integration team seeks an RF engineer to provide project and technical leadership on a dynamic team of Strategic Operations Research Analysts in Littleton, CO. This team provides physics-based technical analysis to identify and validate the viability of future satellite constellations while also assisting in the design of next generation system-of-system architectures in support of national security, commercial, and civil mission areas. In this role you will apply RF and payload expertise to develop and analyze RF system architectures to support proposals, studies, trades, and programs to...
Lockheed Martin
Feb 27, 2026
Electrical Systems Engineer Sr. - Requirements and Verification
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 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Feb 26, 2026
Supply Chain Quality Engineer
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. As a Supply Chain Quality Engineer, you will provide support to our multiple Production...
Lockheed Martin
Feb 26, 2026
Electronics Engineer IV, Responsible Product Engineer
Lockheed Martin Littleton, CO, USA
Description: Please join us as an Electronics Engineer , where you will join Global Security Programs, one of the most innovative and fastest moving organizations in Space. Come help build end-to-end 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. 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. What does this role look like? Lockheed Martin is seeking a Senior Electronics Engineer to join the SPP portfolio on a critical payload development team. In this role you will be a key stakeholder in CCA hardware design, test, integration, and documentation through the entire development life cycle. Key activities...
Lockheed Martin
Feb 24, 2026
Project Engineer - Level 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. At Lockheed Martin, we are shaping the future of space exploration and defense. As a...
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