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37 security clearance jobs found in Littleton, CO

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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 12, 2026
Electronics Responsible Engineer IV
Lockheed Martin Littleton, CO, USA
Description: Please join us as a Responsible Product Engineer/Certified Principal 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 You will be working a flexible 9x80 schedule in the office full-time. What does this role look like? The Digital and Analog Talent Center is looking for an experienced Responsible Engineer/Certified Principal Engineer (CPE) to oversee the design, development, test and integration of digital electronics systems. This role is a critical one that will build your skills and knowledge in technical disciplines required to design and realize a complex digital product. At the same time, you will leverage technical leadership principles to ensure that your team is successful in...
Lockheed Martin
Feb 04, 2026
Electronics Responsible Engineer III
Lockheed Martin Littleton, CO, USA
Description: Please join us as a Responsible Product Engineer/Certified Principal 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: • Sunnyvale CA • Littleton CO You will 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...
Lockheed Martin
Jan 24, 2026
Electronics Engineer IV, Avionics CCA Design, Secret Clearance
Lockheed Martin Littleton, CO, USA
Description: Join Our Team as an Avionics CCA 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: 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
Jan 23, 2026
Electronics Engineer, Product Lead IV
Lockheed Martin Littleton, CO, USA
Description: Please join us as a Responsible Product Engineer , where you will lead the development and certification of the Flight Computer (FC) 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: Sunnyvale CA Littleton CO You will 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 Security® vision. We’re...
Lockheed Martin
Dec 17, 2025
Electronics Engineer Stf - Ordnance Team
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. Join a multidisciplinary team of engineers dedicated to delivering world class...
Lockheed Martin
Jan 30, 2026
Electronics Engineer II, Avionics
Lockheed Martin Englewood, CO, USA
Description: Join Our Team as an Electronics 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 or Englewood CO You will be working a flexible 9x80 schedule in the office full-time. For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s mission to provide affordable and credible strategic defense. We offer unique career opportunities and challenges on a program with a rich history and exciting future. We help keep this nation and our allies secure. 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. Key activities you will...
Lockheed Martin
Mar 04, 2026
Test Software/Hardware Systems Engineer, Staff
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 25, 2026
ASIC/FPGA Design Engineer IV
Lockheed Martin Littleton, CO, USA
Description: We are hosting A Lockheed Martin Space In-Person hiring event in April of 2026. This event will be by invitation only and will take place near or in Littleton, CO. Please apply to be considered. We are hiring levels 2-5. If you are interested in joining Lockheed Martin, please apply to this requisition. This hiring event is for experienced professionals with a active security clearance or are willing and able to get a security clearance. This event is for external applicants only. By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings. Join Our Team as an ASIC & FPGA Design Engineer where you will support over 50 different programs and research and development (R&D) efforts, affecting technology across military space, civil...
Lockheed Martin
Feb 21, 2026
Systems Engineer - Mechanical Integration
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. Learn more about our Hypersonic Solutions and the...
Lockheed Martin
Feb 20, 2026
RF/Payloads Engineer
Lockheed Martin Littleton, CO, USA
Description: As we enter a new era of Strategic Weapon Systems, 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 single day we use our unique skills, talents and experiences to design and build solutions to some of the world’s hardest engineering problems. Do you want to be part of a culture that inspires employees to envision the impossible, perform with excellence and build incredible products? We provide the resources, inspiration and focus—if you have the passion and courage to dream big, then we want to build a better tomorrow with you. Bring your experience and passion for engineering to Lockheed Martin, and build the systems which support our nation's defense systems. We are seeking a highly motivated RF Engineer to support the design, development, and integration of advanced radio frequency systems for space-based applications. In this role, you will contribute to the...
Lockheed Martin
Feb 17, 2026
Circuit Design Engineer III, Satellite Test Systems
Lockheed Martin Littleton, CO, USA
Description: Join us as a Circuit Design Engineer where you will design and develop hardware and circuits for complex satellite and rocket test and measurement systems utilizing Common Off the Shelf (COTS) and custom hardware and software tools as well as, perform hardware engineering best practices to include: requirements analysis, design, and software/hardware integration. Location: This position does not support teleworking ; you will be located near our Lockheed Martin Space facility in: • Sunnyvale CA • Littleton CO You are expected to work a flexible 9x80 schedule in the office full-time. About Us: 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...
Lockheed Martin
Feb 13, 2026
RF Engineer (Level II) - Secret clearance
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 Come join the Lockheed Martin Space Radio Frequency (RF) Talent Center (RFTC) team in...
Lockheed Martin
Feb 06, 2026
RF Engineer Staff (Level IV)
Lockheed Martin Littleton, CO, USA
Description: Do you want to be part of a dynamic, fast-moving, high-performance team that's creating a best-in-class team culture, all while quickly adapting to ever-changing customer requirements? Come join the Lockheed Martin Space Radio Frequency (RF) Talent Center (TC) and shape the future! You can join our mission and contribute to challenging programs in support of Space Vehicles, Hypersonics, Human Space Flight and Interplanetary Missions, Missile Defense, and more. In this exciting role as a mid-career RF Engineer in Littleton, CO, you will: - Research, design, and development of RF test equipment in applications operating at UHF-, Ka-, L-, S-, X-Band and other frequencies. - Collaborate with other Senior Engineers, CPE’s, and Test Engineers across various programs to achieve desired EGSE design and function. - Conduct trade studies, perform multi-faceted analyses, interface with vendors, test EGSE, power, analog circuitry, and will work inclusively with engineers...
Lockheed Martin
Feb 06, 2026
RF 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 About the Team: Come join the Lockheed Martin Space Radio Frequency (RF) Talent Center...
Lockheed Martin
Feb 06, 2026
RF 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 About the Team: Come join the Lockheed Martin Space Radio Frequency (RF) Talent Center...
Lockheed Martin
Feb 06, 2026
RF 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 About the Team: Come join the Lockheed Martin Space Radio Frequency (RF) Talent Center...
Lockheed Martin
Feb 05, 2026
RF Engineer, Staff
Lockheed Martin Littleton, CO, USA
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 The Lockheed Martin Space Mission Processing team is seeking a highly skilled and motivated RF Engineer with an active TS/SCI clearance to join our development team in Littleton, CO. As member of the...
Lockheed Martin
Feb 03, 2026
Circuit Design Engineer IV, Electrical Ground Support Equipment
Lockheed Martin Littleton, CO, USA
Description: Join our team as a Circuit Design Engineer where you will be a part of a multifunctional team, consisting of software, hardware, RF, and systems integration and test engineers. Location: This position does not support teleworking ;the selected candidate will be located near our Lockheed Martin Space facility in: Littleton CO . You will be working 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 Security® vision. We’re...
Lockheed Martin
Jan 30, 2026
Senior RF Engineer (Level III) - Secret clearance
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 Come join the Lockheed Martin Space Radio Frequency (RF) Talent Center (RFTC) team in...
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