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4097 security clearance jobs found

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Lockheed Martin security clearance
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Lockheed Martin
May 23, 2026
Senior Network Security Engineer (Top Secret Clearance)
Lockheed Martin Colorado Springs, CO
Description: What We’re Doing At Lockheed Martin, our Command and Control, Battle Management and Communications (C2BMC) National Team (C2NT) is pioneering the development and integration of cutting-edge technologies to advance the Missile Defense System, safeguarding the United States and its allies. Our collaborative and agile organization operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface development, automated testing, cyber security, enterprise/infrastructure services, and enhancing leading-edge missile defense technologies. The Work Designs, plans, and validates secure network communications systems for the C2BMC program. You develop detailed specifications, schematics, and capacity forecasts; select hardware/software; implement firewalls, switches, routers, and security relevant devices; and conduct rigorous testing. You apply DoW RMF/CSRMC/STIG compliance, produce required IA...
Lockheed Martin
Mar 25, 2026
Security Representative, Associate Manager (TS Clearance Required)
Lockheed Martin Orlando, FL
Description: Manage the DISS/JVS and Escalation Team within the LMSecurity Operations Center (LMSOC). This role has enterprise wide responsibility for assisting with the management of security clearance operations and processing for the corporation; and for leading security professionals working within Lockheed Martin's consolidated Security Clearance Center. The selected candidate will also serve as Lockheed Martin's primary liaison/interface with the United States Government regarding personnel security clearance matters and be responsible for the following: -Collaborate in a team environment with multiple security disciplines. -Interpret and implement government security requirements; and understand government methodologies, practices and technologies with an emphasis on personnel security. -Identify and support internal and external customer needs and incorporate them into business processes. The selected candidate will also be responsible for, but not limited to:...
Lockheed Martin
Jun 13, 2026
Electro-Optical Engineer, Staff
Lockheed Martin Sunnyvale, CA
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. Are you passionate about state-of-the-art technology, and seeing your work applied to...
Lockheed Martin
Jun 13, 2026
Electronics Engineer IV - Thrust Vector Actuator, Interim Secret
Lockheed Martin Sunnyvale, CA
Description: Join Our Team as an Electromechanical 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 and 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...
Lockheed Martin
Jun 13, 2026
Staff Project Engineer (IC4)
Lockheed Martin Titusville, FL
Description: The Fleet Ballistic Missile (FBM) program is seeking a Project Engineer Staff, to support the D5LE Sustainment Program Office. What does this role look like? The ideal candidate will be a self-starter with a proven orientation towards action and driving projects forward to completion Supporting major program reviews, providing executive level communications and interfacing frequently with the customer and LM leadership Responsible for Program Management of CLIN 3 with oversight of all deliverable hours Providing direct support to LE Program Managers to include: program budget prioritization, special projects requiring cross-functional integration, and strategic improvement projects Project support may include, but is not limited to: - Electrical Ground Support Equipment (EGSE) project performance and EVM data analysis - Review of historical contract performance and trends - Sustaining Flight Test activities - Flight test data product review/approval...
Lockheed Martin
Jun 13, 2026
Test Software Engineer (IC2)
Lockheed Martin Littleton, CO
Description: Job 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. By bringing together people that use their passion for purposeful...
Lockheed Martin
Jun 13, 2026
Sr. Test Software Engineer
Lockheed Martin Littleton, CO
Description: Job 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. By bringing together people that use their passion for purposeful...
Lockheed Martin
Jun 13, 2026
Staff Test Software Engineer (IC4)
Lockheed Martin Littleton, CO
Description: Job 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. By bringing together people that use their passion for purposeful...
Lockheed Martin
Jun 13, 2026
Circuit Design Engineer III, Avionics
Lockheed Martin Sunnyvale, CA
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 ; you will be located near our Lockheed Martin Space facility in: Sunnyvale CA 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...
Lockheed Martin
Jun 13, 2026
Model Based Systems Engineer (Level 2)
Lockheed Martin Littleton, CO
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: 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...
Lockheed Martin
Jun 13, 2026
Guidance, Navigation, & Control Manager
Lockheed Martin Highlands Ranch, CO
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 Role: As the GNC Lead for Space Development...
Lockheed Martin
Jun 13, 2026
Manufacturing Engineer
Lockheed Martin Courtland, AL
Description: Company Mission & Program Overview 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. Key Duties & Responsibilities IN this...
Lockheed Martin
Jun 13, 2026
Range Safety Integration Engineer
Lockheed Martin Cape Canaveral, FL
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. Fleet Ballistic Missiles (FBM) is one of Lockheed Martin’s outstanding Lines of...
Lockheed Martin
Jun 13, 2026
Systems Engineer, Principal - Survivability & Nuclear Hardness
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. As a Principal Systems Engineer and the authority in Survivability Engineering, you will...
Lockheed Martin
Jun 13, 2026
Advanced Machining Manufacturing Engineering Manager
Lockheed Martin King of Prussia, PA
Description: Role Overview Lockheed Martin Space is seeking an Advanced Machining Manufacturing Engineering Manager to lead machine shop production operations in Valley Forge, Pennsylvania. This role is responsible for ensuring manufacturing teams, equipment, facilities, and processes are aligned to meet cost, schedule, and quality objectives while supporting critical national defense programs. Key Responsibilities • Lead the shaping and development of the production activity for all machine shop products. • Establish personnel, equipment, and facility resources needed for execution. • Ensure manufacturing engineering team is staffed, prepared, and executing to schedule commitments. • Partner with program leaders and functional organizations to achieve program objectives. • Drive operational efficiency, affordability, and continuous improvement initiatives. • Standardize manufacturing processes and promote adoption of best practices. • Support efforts to reduce cycle time and...
Lockheed Martin
Jun 13, 2026
Mechanical Engineering Manager - Space Systems
Lockheed Martin Severn, MD
Description: We are seeking a Mechanical Engineering Manager in Severn, MD, to lead a team of space electromechanical engineers and aerospace mechanical engineers. Role & Responsibilities: • Manages the application of mechanical principles to components and systems, including assembly, analysis, and documentation of results for space systems • Oversees support and participation in the design, test, modification, fabrication and assembly of prototype and flight electromechanical systems and circuit card assemblies • Responsible for coordinating subordinate employee recruitment, selection and training, performance assessment, work assignments, salary, and recognition/disciplinary actions • Leads team of 8-12 mechanical, aerospace and electro-mechanical engineers Basic Qualifications: • 2+ years leading a technical team  • Experience with resource management, management of direct reports, interviewing and hiring, mentoring/guiding of direct reports, performance reviews &...
Lockheed Martin
Jun 13, 2026
Systems Engineer Staff
Lockheed Martin Hill Air Force Base, UT
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 Lockheed's Strategic Reentry Programs. This group of diverse Engineers has a...
Lockheed Martin
Jun 13, 2026
Mk21A Program Manager Staff (IC4)
Lockheed Martin King of Prussia, PA
Description: Our amazing people are on a mission to make a difference in the world and every day we use our outstanding skills and experiences to create, craft and build solutions to some of the worlds’ hardest engineering problems. Our culture supports employees to dream big, perform with excellence and create incredible products. We provide the resources, encouragement and focus and if you have the passion, we want to build a better tomorrow with you! As a Mk21A EMD Product Owner, you will be responsible for cost, schedule and technical performance of a product(s) within the MK21A program. You will have ownership of all aspects from design through delivery. The Product Owner will oversee daily tasking across a multi-functional team, including but not limited to, engineering, supply chain, contracts, finance, planning and production. This position will be Control Account Manager (CAM) of record for multiple control accounts associated with that product. The candidate will work...
Lockheed Martin
Jun 13, 2026
Systems Engineer Senior Staff
Lockheed Martin Hill Air Force Base, UT
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 Lockheed's Strategic Reentry Programs. This group of diverse Engineers has a...
Lockheed Martin
Jun 13, 2026
Electro-Optical Engineer - Senior Staff
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 Senior Staff Electro-Optical Engineer to join the...
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