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60 information system security engineer jobs found in Littleton

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Lockheed Martin
May 29, 2026
Mechanical Harness Design Engineer III
Lockheed Martin Littleton, CO
Description: This position is for a mid-career Electromechanical Engineer that collaborates well in a team environment, has excellent communication skills, and proactively takes initiative. We are a community of engineers looking for a dependable mid-career engineer to join our tight-knit group. In this role you will have the opportunity to support many of the Programs that LM Space supports, where partnership, integrity, and reliability are prioritized. The Harness and Cable Design group is an organization that is responsible for mechanical and electrical design tasks relating to wire harness, cable design, and interconnecting of electronic equipment. Our organization primarily supports satellite spacecraft design, however there is opportunity to support many of LM Space's missions. 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...
Lockheed Martin
May 29, 2026
Electrical Harness Design Engineer - III
Lockheed Martin Littleton, CO
Description: This position is for a mid-career Electrical Engineer that collaborates well in a team environment, has excellent communication skills, and proactively takes initiative. We are a community of engineers looking for a dependable mid-career engineer to join our tight-knit group. In this role you will have the opportunity to support many of the Programs that LM Space supports, where partnership, integrity, and reliability are prioritized. The Harness and Cable Design group is an organization that is responsible for mechanical and electrical design tasks relating to wire harness, cable design, and interconnecting of electronic equipment. Our organization primarily supports satellite spacecraft design, however there is opportunity to support many of LM Space's missions. 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...
Lockheed Martin
May 29, 2026
RF Engineer, Staff (Level IV) - Top Secret clearance
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 Space is seeking a Staff RF Engineer to join our team in Littleton,...
Lockheed Martin
May 28, 2026
Test Engineer III, Secret Clearance
Lockheed Martin Littleton, CO
Description: The Fleet Ballistic Missile (FBM) program is seeking an Electronics Engineer to join the Electrical Ground Support Equipment (EGSE) 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 boundaries and...
Lockheed Martin
May 28, 2026
Test Engineer III, Secret Clearance
Lockheed Martin Littleton, CO
Description: The Fleet Ballistic Missile (FBM) program is seeking an Electronics Engineer to join the Electrical Ground Support Equipment (EGSE) 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 boundaries and...
Lockheed Martin
May 28, 2026
Test Engineer II, Secret Clearance
Lockheed Martin Littleton, CO
Description: The Fleet Ballistic Missile (FBM) program is seeking an Electronics Engineer to join the Electrical Ground Support Equipment (EGSE) 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 boundaries and...
Lockheed Martin
May 27, 2026
RF Engineer
Lockheed Martin Littleton, CO
Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently July 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
May 27, 2026
RF Engineer
Lockheed Martin Littleton, CO
Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently July 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
May 27, 2026
Aeronautical Engineer - Hypersonic Aerodynamics
Lockheed Martin Littleton, CO
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. Join us in shaping a new era in space and find a career that's built for you. If you have a passion for working on emerging technologies...
Lockheed Martin
May 27, 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
May 23, 2026
Sr. Mechanical Engineer
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. In this role, you will work as a Mechanical Integration engineer focused on managing the...
Lockheed Martin
May 23, 2026
Electronics Engineer, Avionics Product Lead IV, Secret Clearance
Lockheed Martin Littleton, CO
Description: Please join us as a Responsible Product Engineer Delegate, where you will lead the development, production and certification of radio communications avionics on the Next Generation Interceptor (NGI) program. 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 21st Century...
Lockheed Martin
May 23, 2026
Lead Avionics Responsible Engineer V, Flight Controls
Lockheed Martin Littleton, CO
Description: Join Our Team as an Lead Avionics Responsible 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: 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 21st...
Lockheed Martin
May 15, 2026
Systems Integration and Test Engineer - Level 2
Lockheed Martin Littleton, CO
Description: Lockheed Martin Space is seeking a highly motivated and detail-oriented System Integration & Test Engineer to join our team in Littleton, CO to work in a lab environment. As an early career professional, you will play a key role in supporting customer test needs and requirements by developing and implementing test solutions that meet technical, schedule, and cost constraints. 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...
Lockheed Martin
May 15, 2026
System Safety Engineer
Lockheed Martin Littleton, CO
Description: At the dawn of a new space age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing men and women 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 deliver results 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 spirit to dream big, we want to strengthen a better tomorrow with you. Lockheed Martin Space has an immediate opportunity for an Systems Engineer at our Littleton, CO facility. If you have an interest in working for a company that develops national defense systems, come and be a part of our System Safety Engineering Team. At Lockheed Martin Space, we are passionate about creativity and integrity. We believe that by applying the highest standards of business ethics and forward...
Lockheed Martin
May 15, 2026
Electronics Engineer IV, Avionics Responsible Product Engineer
Lockheed Martin Littleton, CO
Description: Join Our Team as an Electronics Responsible Product 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...
Lockheed Martin
May 07, 2026
Circuit Design Engineer IV, 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 ; the preferred candidate will be located near our Lockheed Martin Space facility one of the Coolest places to work: Littleton CO , and be expected to work in the office. 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...
Lockheed Martin
May 06, 2026
Systems Engineer Staff - System Safety Engineering
Lockheed Martin Littleton, CO
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 men and women 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. Lockheed Martin Space has an immediate opportunity for a System Safety Engineer at our Denver, CO. facility. If you have an interest in working for a company that develops national defense systems, come and be a part of our System Safety Team. At Lockheed Martin Space, we are driven by innovation and integrity. We believe that by...
Lockheed Martin
May 06, 2026
Systems Engineer Sr - System Safety Engineer
Lockheed Martin Littleton, CO
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 men and women 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. Lockheed Martin Space has an immediate opportunity for a mid-career System Safety Engineer at our Denver, CO. facility. If you have an interest in working for a company that develops national defense systems, come and be a part of our System Safety Team. At Lockheed Martin Space, we are driven by innovation and integrity. We...
Lockheed Martin
May 06, 2026
Mechanical Engineer
Lockheed Martin Littleton, CO
Description: We are seeking a Test Engineer to plan, prepare, and execute mechanical, functional, and environmental testing of development and flight aerospace mechanisms and other mechanical products at the Materials Technology & Mechanisms Test Lab at Lockheed Martin Space. In this position, you will coordinate and interface directly with program engineering, production colleagues, technicians, quality, planners, and others to support various stages of the product life cycle for aerospace mechanisms and other mechanical components and subsystems. A successful candidate is a self-starter with strong knowledge in mechanical engineering as it applies to unique test set-ups that involve load / deflection, functional / performance, thermal, and / or thermal-vacuum environments. A successful candidate has demonstrated the ability to learn and apply solutions to difficult engineering and operational challenges, via action both independently and in a team environment. This is a...
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