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197 security clearance jobs found

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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
Aug 07, 2026
THAAD DevSecOps Engineer
Lockheed Martin Huntsville, AL
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. We are seeking a highly skilled and motivated DevSecOps Engineer to join our team...
Lockheed Martin
Aug 07, 2026
Information Assurance Engineer - E2
Lockheed Martin
Provides security engineering designs and implementation in all aspects of Information Assurance and Information Security (InfoSec) Engineering. Assesses and mitigates system security threats/risks throughout the program life cycle; validates system security requirements definition and analysis; establishes system security designs; implements security designs in hardware, software, data, and procedures; verifies security requirements; performs system certification and accreditation planning and testing and liaison activities, and supports secure systems operations and maintenance. For security professionals providing systems security analysis, use Computer Systems Security Analysis (E121, L121). For information security professionals providing security risk and analysis, use Info Systems Security Risk and Analysis (E937, L937).   TEST FRENCH
Lockheed Martin
Aug 07, 2026
Information Assurance Engineer - E2
Lockheed Martin
Provides security engineering designs and implementation in all aspects of Information Assurance and Information Security (InfoSec) Engineering. Assesses and mitigates system security threats/risks throughout the program life cycle; validates system security requirements definition and analysis; establishes system security designs; implements security designs in hardware, software, data, and procedures; verifies security requirements; performs system certification and accreditation planning and testing and liaison activities, and supports secure systems operations and maintenance. For security professionals providing systems security analysis, use Computer Systems Security Analysis (E121, L121). For information security professionals providing security risk and analysis, use Info Systems Security Risk and Analysis (E937, L937).   Test Spanish
Lockheed Martin
Aug 07, 2026
Information Assurance Engineer - E2
Lockheed Martin
Provides security engineering designs and implementation in all aspects of Information Assurance and Information Security (InfoSec) Engineering. Assesses and mitigates system security threats/risks throughout the program life cycle; validates system security requirements definition and analysis; establishes system security designs; implements security designs in hardware, software, data, and procedures; verifies security requirements; performs system certification and accreditation planning and testing and liaison activities, and supports secure systems operations and maintenance. For security professionals providing systems security analysis, use Computer Systems Security Analysis (E121, L121). For information security professionals providing security risk and analysis, use Info Systems Security Risk and Analysis (E937, L937).
Lockheed Martin
Aug 07, 2026
Information Assurance Engineer - E2
Lockheed Martin
Standard Job Description Provides security engineering designs and implementation in all aspects of Information Assurance and Information Security (InfoSec) Engineering. Assesses and mitigates system security threats/risks throughout the program life cycle; validates system security requirements definition and analysis; establishes system security designs; implements security designs in hardware, software, data, and procedures; verifies security requirements; performs system certification and accreditation planning and testing and liaison activities, and supports secure systems operations and maintenance. For security professionals providing systems security analysis, use Computer Systems Security Analysis (E121, L121). For information security professionals providing security risk and analysis, use Info Systems Security Risk and Analysis (E937, L937). Basic Qualifications Desired Skills
Lockheed Martin
Aug 06, 2026
Systems Engineer (Level II)
Lockheed Martin Huntsville, AL
Description: Lockheed Martin "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. As a System Engineer supporting the Terminal...
Lockheed Martin
Aug 06, 2026
Software Engineer Staff
Lockheed Martin Huntsville, AL
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. We are seeking a highly skilled and motivated Software Engineer to join our team...
Lockheed Martin
Jul 30, 2026
Subcontract Manager Staff
Lockheed Martin Grand Prairie, TX
Description: You will be the Subcontract Manager for the Lower Tier Air & Missile Defense team. Our team drives the Evolutionary Development effort for Lockheed Martin’s critical Air and Missile Defense programs, partnering directly with program managers, engineers, supplier quality, and subcontractor leadership to secure producible, cost‑effective solutions early in the design cycle. What You Will Be Doing As the Subcontract Manager you will be responsible for overseeing all subcontract activities that support a major corporate‑focus development effort. You’ll serve as the primary liaison between Lockheed Martin and our lower‑tier suppliers, ensuring contracts are executed flawlessly, risks are mitigated, and delivery schedules are met. Your responsibilities will include: • Managing the full life cycle of subcontracts — drafting, negotiating, awarding, and closing out agreements. • Conducting subcontract administration and procurement tasks, including purchase order...
Lockheed Martin
Jul 29, 2026
Data Modernization System Engineer - Clearance Required
Lockheed Martin MD
Description: This position is participating in our External Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Data Modernization System Engineer - Clearance Required WHAT WE'RE DOING • Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity. • As a Data Modernization System Engineer, you'll be empowered to create "new realities" and pioneer solutions that break boundaries. • Benefit from the support of a global technology leader that values innovative thinking and provides the resources to turn ideas into reality. • Build on our proud legacy of achievement and contribute to shaping the future of aerospace, defense, and security solutions. THE WORK TKO provides systems engineering, software development, data science and cloud development and engineering services to the Cyber Infrastructure Solutions...
Lockheed Martin
Jul 29, 2026
Guidance, Navigation & Control Engineer (Level II)
Lockheed Martin Huntsville, AL
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 a GNC Engineer, you will join the...
Lockheed Martin
Jul 28, 2026
Model Based Systems Engineer Sr. Staff (Secret Clearance)
Lockheed Martin Colorado Springs, CO
Description: WHAT WE'RE DOING Our team at Lockheed Martin, is dedicated to engineering, developing, and integrating new capabilities for the Missile Defense System that protects the United States and its allies. While we are part of a large organization, we operate within smaller, agile teams in a fast-paced, dynamic environment. Our responsibilities include Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security, and enhancing critical missile defense technologies. THE WORK This position will perform some or all of the following duties, concentrating on early-phase (concept, requirements, and design) activities of the Systems-Engineering Development Lifecycle: 1.Lead the development of new system concepts by transforming stakeholder needs, acquired through documentation and solicitation, into easily reviewable technical approaches. 2.Perform requirements elicitation and decomposition using behavioral artifacts such as...
Lockheed Martin
Jul 28, 2026
Software Engineer Sr. Staff (Secret Clearance)
Lockheed Martin Colorado Springs, CO
Description: WHAT WE'RE DOING Our team at Lockheed Martin, is dedicated to engineering, developing, and integrating new capabilities for the Missile Defense System that protects the United States and its allies. While we are part of a large organization, we operate within smaller, agile teams in a fast-paced, dynamic environment. Our responsibilities include Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security, and enhancing critical missile defense technologies. THE WORK Lockheed Martin is seeking a software engineer that will thrive in a fast paced team environment in the design, development, and testing of software applications. Under minimal direction, provides specialized expertise within multiple systems, software disciplines, as well as general knowledge of related disciplines, applications implications, and customer areas. Common responsibilities of a software engineer on the agile development teams include: •...
Lockheed Martin
Jul 28, 2026
Pilot Subject Matter Expert and Pilot Vehicle Interface Engineer
Lockheed Martin Fort Worth, TX
Description: You will be the Pilot Subject Matter Expert (SME) and Pilot Vehicle Interface (PVI) design engineer to serve in the Pilot Systems Engineering (PSE) group on the F-35 team specializing in 5th Generation and Advanced Development Programs (ADP). As the Pilot Subject Matter Expert your responsibilities will include: • Research and design of innovative PVI mechanizations for tactical cockpits. • Provide Pilot SME support to brief and train test pilots, production pilots and training systems engineers and pilots on aircraft capabilities and PVI. • Research, design, simulate, and refine PVI solutions for controls and displays, sensors, weapons, and air vehicle subsystems. • Work with pilots, engineers, and simulation technicians to design, implement, evaluate, and document PVI mechanizations. You will be expected to: • Have a high-level knowledge of 4th and 5th Gen fighters, requiring an understanding of mission systems, capability gaps, and basic concepts of...
Lockheed Martin
Jul 25, 2026
Embedded Systems Engineer - Requirements & Verification
Lockheed Martin Littleton, CO
Description: Lockheed Martin "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. For over 70 years, the Fleet Ballistic Missile...
Lockheed Martin
Jul 25, 2026
THAAD DevSecOps Engineer Staff
Lockheed Martin Huntsville, AL
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. We are seeking a highly skilled and motivated DevSecOps Engineer Staff to join our team...
Lockheed Martin
Jul 24, 2026
Information Systems Security Officer, Classified Cybersecurity
Lockheed Martin Littleton, CO
Description: This position requires TS/SCI clearance with ability to pass a Polygraph. The Cybersecurity Specialist will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) at the LM Waterton facility in Littleton, CO. Classified Cybersecurity Analysts help secure lifesaving products and critical state-of-the-art engineering and manufacturing systems by applying cutting edge cybersecurity principles. Rising to the challenge of building a more secure world for the warfighter, space exploration, climate sustainability, and commercial use. The work that Cybersecurity Analysts do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline - You can enjoy a work-life balance that allows for flex...
Lockheed Martin
Jul 22, 2026
Arms Room Supply Specialist
Lockheed Martin Fayetteville, NC
Description: Responsible for maintaining property accountability of weapons and associated equipment for a U.S. Army Arms Room. This includes issue, receipt, storage, inventory, and disposition of equipment in accordance with all applicable U.S. Army, Department of War, and U.S. Army Special Operations Command policies and procedures. Why Join Us This position supports our Special Operations Forces – Global Logistics Support Services contract, which is the U.S. Special Operations Command's (USSOCOM) largest service contract vehicle providing a wide range of tailored logistics, maintenance, and sustainment services. Learn more here: SOF GLSS Further Information About This Opportunity: This position is in Fort Bragg, NC. Discover more about our Fort Bragg, North Carolina location. MUST BE A U.S. CITIZEN – This position is located at a facility that requires special access and is in direct support of a U.S. government contract that requires a company-sponsored clearance...
Lockheed Martin
Jul 21, 2026
RF Engineering Associate Manager - TS/SCI clearance
Lockheed Martin Littleton, CO
Description: Position details: Location: Littleton, CO Work Schedule: 9x80 Position type: Full-time onsite (this is not a hybrid position) ________________________________________ 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, in-vest, 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 work-force to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and...
Lockheed Martin
Jul 21, 2026
Dev Sec Ops Engineer (Top Secret)
Lockheed Martin King of Prussia, PA
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 re-imagining 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 successful candidate should be excited about opportunities incorporating new...
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