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525 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
Jun 25, 2026
Cyber Software Engineer Sr
Lockheed Martin Orlando, FL
Description: WHAT WE’RE DOING At Lockheed Martin, we are pushing the boundaries of innovation to solve some of the world’s most complex challenges. In our Rotary and Mission Systems (RMS) division, we are focused on advancing security and resilience for critical defense systems, with a particular emphasis on F-35 Training & Logistics. Our team is dedicated to applying cutting-edge cybersecurity solutions that safeguard the integrity of systems throughout their lifecycle. We are passionate about ensuring that these systems remain resilient to evolving cyber threats, supporting both the F-35 and other essential training and logistics operations. THE WORK As a Cyber Software Engineer, you will secure, automated delivery of mission‑critical software for PTD and TIPS systems. You will embed Infrastructure as Code (IaC), CI/CD pipelines, and rigorous threat‑modeling practices into every stage of the development lifecycle, ensuring continuous monitoring, rapid remediation, and...
Lockheed Martin
Jun 25, 2026
Software Engineer with Poly SR SWE1
Lockheed Martin MD
Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to innovating at the Edge: Harnessing the latest advancements in cyber, artificial intelligence, and machine learning to stay ahead of emerging threats and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse software systems supporting Analytic Missions. This Program has a robust process to ensure quality of products. The process includes DAT,...
Lockheed Martin
Jun 25, 2026
Cyber Sys Secur Engr Sr
Lockheed Martin Littleton, CO
Description: Responsible for applying an interdisciplinary, collaborative approach to plan, design, develop, validate and verify Cyber solutions across the lifecycle. Conduct cyber risk assessment activities including threat modeling, vulnerability analysis and analysis of mitigation solutions. Coordinates and addresses Supply Chain risk management concerns. Develop, evaluate and analyze design constrains, trade-offs and detailed system and security design as they pertain to the Cyber domain. Coordinate with Cyber and system architects and developers on the implementation of Cyber solutions. Conduct cybersecurity test and evaluation of hardware and/or software designs to verify and validate compliance with defined specifications and requirements. Employs cyber security processes, methods, techniques and tools and assure their consistent application. Implements appropriate Assessment and Authorization activities as required by customers Basic Qualifications: - Bachelor’s degree...
Lockheed Martin
Jun 25, 2026
Senior Software Engineer
Lockheed Martin Moorestown, NJ
Description: What We're Doing Lockheed Martin is shaping the future of defense through cutting edge radar and missile defense technologies, and we want you to help write the next chapter. As the premier developer of active electronically scanned array (AESA) radars and integrated air and missile defense solutions for the U.S. military, our allies, and more than 45 nations worldwide, we deliver world class situational awareness, early warning, and kill assessment capabilities in the most demanding environments. Join a global team of 35 000 engineers, software developers, and cyber experts who turn complex challenges into reliable, next generation systems that keep warfighters ahead of emerging threats. Your talent will power everything from space domain awareness to ground based radar testbeds, ensuring the safety of today’s forces and the security of tomorrow’s world. The Work The Lockheed Martin Rotary & Mission Systems Senior Software Engineer will have the...
Lockheed Martin
Jun 25, 2026
Software Engineer Staff - Secret Clearance
Lockheed Martin Colorado Springs, CO
Description: What We’re Doing Our team, Command and Control, Battle Management and Communications (C2BMC)- Global 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 The role involves providing comprehensive analysis and technical support for a large, distributed Java‑based system. You will resolve complex problems across the full software lifecycle—design, development, testing, integration, and user support—while adhering to detailed specifications to modify or extend functionality within an extensive code base. Responsibilities...
Lockheed Martin
Jun 25, 2026
Senior System Administrator
Lockheed Martin King of Prussia, PA
Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently September 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: King of Prussia, PA 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...
Lockheed Martin
Jun 25, 2026
SE&V Hardware Engineer - Secret Clearance
Lockheed Martin Colorado Springs, CO
Description: What We’re Doing Our team, the Command and Control, Battle Management and Communications (C2BMC) 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: Member of the Systems Engineering & Verification (SE&V) Resource Management Area (RMA). This role is supports working design and development of the hardware design, network and...
Lockheed Martin
Jun 25, 2026
Network and Infrastructure Eng, Asc - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
Description: What We're Doing Become a part of something IMPACT-ful! Ground Missile Defense (GMD) is the heart of the Missile Defense System and a key element of our nation’s defense against ballistic missile attacks. The GMD Weapon System (GWS) processes data from multiple sensors to identify and characterize the inbound ballistic missile threat, plans the best defensive solution, and launches the intercepting missiles to negate the threat. The Work What you'll get to do: • Oversee the maintenance and security of company intranets and computer systems, ensuring optimal performance and uptime • Set up and maintain user access, including permissions and security protocols • Diagnose and resolve hardware, software, and networking issues promptly to minimize downtime • Work with other IT staff and departments to identify and implement new technologies that enhance system performance and user experience Who We Are Lockheed Martin is a global aerospace, defense, and...
Lockheed Martin
Jun 25, 2026
Cyber Sys Secur Engr Sr
Lockheed Martin Littleton, CO
Description: Responsible for applying an interdisciplinary, collaborative approach to plan, design, develop, validate and verify Cyber solutions across the lifecycle. Conduct cyber risk assessment activities including threat modeling, vulnerability analysis and analysis of mitigation solutions. Coordinates and addresses Supply Chain risk management concerns. Develop, evaluate and analyze design constrains, trade-offs and detailed system and security design as they pertain to the Cyber domain. Coordinate with Cyber and system architects and developers on the implementation of Cyber solutions. Conduct cybersecurity test and evaluation of hardware and/or software designs to verify and validate compliance with defined specifications and requirements. Employs cyber security processes, methods, techniques and tools and assure their consistent application. Implements appropriate Assessment and Authorization activities as required by customers Basic Qualifications: - Bachelor’s degree...
Lockheed Martin
Jun 25, 2026
Senior Systems Engineer, Level 3
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! The FBM Program is experiencing significant growth, and we are currently seeking a Senior...
Lockheed Martin
Jun 25, 2026
Systems Engineer
Lockheed Martin Mount Laurel Township, NJ
Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work Lockheed Martin Rotary Mission Systems in Moorestown, New Jersey is seeking a full time Systems Engineer. In this role, you will define mission critical requirements, develop windows and user interfaces for military personnel user experience, and integrate new capabilities into the premier self-defense system for the United States and allied Navies, the Aegis Combat System. The successful candidate will have experience and/or knowledge of Java, C++, or Python and Linux/UNIX operating systems, experience in requirement development, experience user interface development, and experience in issue investigation. Must be a US Citizen; this position will require a government security...
Lockheed Martin
Jun 25, 2026
RF Systems Engineer Level 1 - Clearance Required
Lockheed Martin MD
Description: What We’re Doing: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. Cyber | Lockheed Martin Who we are: Our team is solving the tough challenges and pushing the boundaries of technology to help our customer achieve its mission. #RMSC6ISR Why Join Us: Your Health, Your Wealth, Your Life...
Lockheed Martin
Jun 24, 2026
Software Engineer Sr
Lockheed Martin King of Prussia, PA
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. 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...
Lockheed Martin
Jun 24, 2026
Production Hangar APG, F-16 Mechanic Level 2- Multi Shift
Lockheed Martin Greenville, SC
Description: You will be the Production Hangar APG, F-16 Technician for the Lockheed Martin Greenville Production Team. What You Will Be Doing As the Production Hangar APG, F-16 Technician you will be responsible for Inspecting, troubleshooting, repairing, overhauling and modifying aircraft systems and powerplants in accordance with established written procedures, specifications, and standards. The Production Hangar APG, F-16 Technician will also need to be knowledgeable in aircraft systems operation and maintenance to include: • Landing gear • Powerplants • Flight controls • Rigging • Aircraft movement. The candidate will be required to: • Comprehend documents such as safety rules, operating maintenance instructions and procedure manuals. • Use hands to grasp, handle, and/or feel, reach with hands and arms, talk, and hear. • Frequently stand, walk, stoop, kneel, squat, crawl, twist, and work on or in the aircraft. • Frequently lift and/or push or pull up to 25...
Lockheed Martin
Jun 24, 2026
Information Systems Security Officer/ISSO - Level 3 – ADP Projects
Lockheed Martin Fort Worth, TX
Description: Lockheed Martin Aeronautics. Be More Than You Can Imagine. At Lockheed Martin Aeronautics (LMA), we approach each day with creativity, innovation, and integrity. We hire people with a broad set of technical skills who are ready to take on some of industry’s greatest challenges and make an impact on our nation’s security. We believe by applying the highest cybersecurity standards and fostering an environment prepared to meet customer requirements and provide uncompromised information security services. The selected candidate will join the LMA Classified Cybersecurity Team as an Information Systems Security Officer (ISSO) on-site at Fort Worth, Texas. The ISSO will support the cybersecurity posture for Special Access Programs (SAPs) within the LMA Classified Cybersecurity Team. This role ensures that all classified information systems meet customer and DoD security requirements throughout the system lifecycle. Key Responsibilities: Execute technical...
Lockheed Martin
Jun 24, 2026
Project Engineer - Configuration Data Management
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. For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Jun 24, 2026
Systems Engineer, Sr - Weapon Products
Lockheed Martin Mount Laurel Township, NJ
Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work Lockheed Martin Rotary and Mission Systems is seeking a Full-Time Senior System Engineer. In this role, you will work on Combat System development and test execution as individual contributor in the Weapon Products. The successful candidate will have knowledge or experience in System Engineering of Weapons Control Systems product supporting Ballistic Missile Defense (BMD) and Anti-Air Warfare (AAW) programs to meet cost and schedule. Must be a US Citizen. This position will require a government security clearance. This position is located at a facility that requires special access. Who We Are Lockheed Martin is a global aerospace, defense, and security company dedicated to...
Lockheed Martin
Jun 24, 2026
Project Engineer, Senior - Configuration Data Management
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. For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Jun 24, 2026
Project Engineer - Configuration Data Management
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. For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
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