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208 security clearance jobs found in King of Prussia, PA

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Lockheed Martin
Jul 15, 2026
Test Product Owner
Lockheed Martin King of Prussia, PA
Description: For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s mission to provide an 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 W93/Mk7 program is developing the next generation Reentry Body to support the FBM mission of strategic deterrence. This position will be Responsible for Execution of the ground testing program in support of W93/Mk7program. Develop master test plans for data needs identified by Product PM. Develops test concepts, criteria and engineering efforts for product research, development, integration and test. Directs the work of employees assigned to the program in support of test objectives. Create modification drawings to hardware to facilitate testing data needed for test success. Maintain program hardware utilization matrix. CONUS Travel between sites is required, up...
Lockheed Martin
Jul 15, 2026
Systems Engineer
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 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
Jul 15, 2026
DevSecOps Engineer
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 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 be working on military satellite communications (SATCOM) Ground...
Lockheed Martin
Jul 15, 2026
Senior DevSecOps Engineer
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 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 be working on military satellite communications (SATCOM) Ground...
Lockheed Martin
Jul 15, 2026
Systems Engineer
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 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
Jul 15, 2026
System Engineer, Senior - MBSE
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 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
Jul 14, 2026
Systems Engineer SEIT Lead
Lockheed Martin King of Prussia, PA
Description: WHO WE ARE: Lockheed Martin Rotary and Mission Systems has an opportunity for a Systems Engineering Integration and Test (SEIT) Lead for operational systems within the Ground Cyber Electronic Warfare portfolio. The successful candidate will be an engineering leader to oversee operations and maintenance for complex software-defined RF system installations in OCONUS/CONUS locations. Ability to travel to OCONUS locations several times throughout the year is desired for this position. THE WORK: The SEIT Lead would maintain and enhance the engineering baseline, develop testing strategies for upgrades, and oversee the change management process including chairing engineering review boards. The candidate must develop a deep technical knowledge of all aspects of the system architecture in order to identify change impacts due to obsolescence as well as guide paths to expanded capabilities for growth opportunities. As a technical leader, the candidate will be a primary...
Lockheed Martin
Jul 13, 2026
Cyber Security Engineering Asc Manager
Lockheed Martin King of Prussia, PA
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 Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world’s hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we’ll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? This position is for a Cyber Systems Security Engineering Manager. The selected candidate will be part of a dynamic, team-oriented, and collaborative Cyber engineering team that leads the...
Lockheed Martin
Jul 11, 2026
Subcontract Administrator, Sr.
Lockheed Martin King of Prussia, PA
Description: The mission matters. So do the people behind it. With advancing defense technology at our core, what sets us apart is a culture of collaboration, purpose, and impact. What is the mission? 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. What does this role look like? Supply Chain’s vision is to enable customer and mission success through supply chain strategies and execution that deliver superior operational program performance and create...
Lockheed Martin
Jul 10, 2026
Software Engineer Sr - Level 3 (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 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. • Generating and simulating operational level plans to explore the art of the possible,...
Lockheed Martin
Jul 10, 2026
Senior DevSecOps Engineer - Clearance Required
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING Joint Air-to-Surface Standoff Missile (JASSM) is a United States Air Force (USAF) program to provide an autonomous, long-range, conventional, air-to-ground, precision missile able to strike highly defended, high value targets. JASSM Enterprise Software (JES) was developed to improves quality and speed in targeting and strike planning solutions across multiple 363rd Intelligence, Surveillance and Reconnaissance Group (363 ISRG) production units and the Standoff Munitions Application Centers (SMAC). THE WORK • Maintain JES portfolio application pipelines and test and integration environments. • Support developers in maintaining their local development environments, particularly in installing and maintaining local software and connectivity to supporting software. • Coordinate with Fielding and Operations team on delivery schedules and provide release candidate builds to required environments for testing and test signoff in keeping with those...
Lockheed Martin
Jul 10, 2026
Lead DevSecOps Engineer - Clearance Required
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING Joint Air-to-Surface Standoff Missile (JASSM) is a United States Air Force (USAF) program to provide an autonomous, long-range, conventional, air-to-ground, precision missile able to strike highly defended, high value targets. JASSM Enterprise Software (JES) was developed to improves quality and speed in targeting and strike planning solutions across multiple 363rd Intelligence, Surveillance and Reconnaissance Group (363 ISRG) production units and the Standoff Munitions Application Centers (SMAC). THE WORK • Ensures software baselines are Configuration Managed and properly tagged + versioned • Ensures key software measures, including total, added, modified, and removed Source Lines of Code (SLOC) are tracked for each software release. • Manages the configuration and documentation of the current state of software development-specific licenses, tools, and libraries, including COTS and FOSS, through a human-readable Software Bill of Materials...
Lockheed Martin
Jul 10, 2026
Senior Software Engineer
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING Come join the CommandIQ® (CIQ) team – a product line established in 2025 with sizable investment and support from RMS senior leadership. We are developing mission critical Battle Management and Command & Control capabilities for a complete Command and Control mission suite. Our solution provides the open architecture as well as mission apps that can be customized to each user’s needs. Customers can also easily integrate their favorite tools into a single CommandIQ® Common Operating Picture (COP) to meet their own, specialized mission requirements. Join us and become a part of the team that is actively designing and developing the initial baseline which has already generated significant customer interest both domestically and internationally! Check out these links for more information about our exciting suite of products: https://www.lockheedmartin.com/en-us/products/command-and-control.html https://www.youtube.com/watch?v=mYu06sRV398 THE WORK...
Lockheed Martin
Jul 10, 2026
Software Engineer Sr
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING The Aircraft Media Gateway program enables the P-8A aircraft to deliver advanced maritime and littoral Intelligence, Surveillance, and Reconnaissance (ISR) capabilities, equipping the United States Navy to effectively counter existing, evolving, and emerging threats. THE WORK As a member of our team, you will work in an agile scrum development environment, where you will design and develop technically complex software systems. In this role, you will be responsible for supporting the generation of reliable and reproducible media builds. Additionally, you will provide support for external network interfaces for data ingest and offload, as well as hardware rack builds. Working with the rest of the team, you will be responsible for maintaining the program lab infrastructure and performing on-site hardware installs and integration. Success in this role requires the ability to effectively interact with and present to various stakeholders, including...
Lockheed Martin
Jul 10, 2026
WPI Financial Analyst
Lockheed Martin King of Prussia, PA
Description: This Program Finance Analyst position is in support of the Distributed Common Ground System (DCGS) Program. The successful candidate will work cross functionally alongside Program Management, CAM's, engineers, Sourcing, as well as our own finance organization to meet the expectations of this fast-paced program and will be responsible for, but not limited to: - Manage the Level of Effort CLINs’ business rhythms - Collaborate with Program Leads to prepare accurate Estimate at Completion (EAC)s monthly including identification and tracking of financial risks and opportunities - Execute Earned Value Management (EVM) activities including Program baselines, subcontractor data integration, EAC/ETC analysis, CDRL preparation and delivery - Provide financial leadership and guidance to Program leads in a cost-conscious culture; communicate financial metrics required to ensure focus on cost control - Proactively assess program spend and communicate funding needs based on EAC’s -...
Lockheed Martin
Jul 10, 2026
Sr. Staff Engineering Program Manager - Top Secret Clearance Required
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING The U-2S aircraft provides high-altitude, all-weather surveillance and reconnaissance, day or night, in direct support of U.S. and allied forces. It delivers critical imagery and signals intelligence to decision makers throughout all phases of conflict, including peacetime indications and warnings, low-intensity conflict, and large-scale hostilities. Lockheed Martin (LM) provides the engineering disciplines to continually improve the avionics and ISR systems employed on the U-2S. The Aero Palmdale, Aero Fort Worth and RMS Valley Forge sites are actively involved in supporting upgrades to the U-2 platform capabilities. WHO WE ARE The LM Valley Forge site Datalinks Team is currently supporting the following upgrades on the aircraft: • Integrating a Tactical Data Link (Link 16) on the U-2S and developing the Pilot Vehicle Interface (PVI) for Link 16 radio control and tactical situational awareness, Electronic Warfare (EW) situational...
Lockheed Martin
Jul 10, 2026
Project Engineer Staff (IC4)
Lockheed Martin King of Prussia, PA
Description: For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s mission to provide an 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. As a Project Engineer on the Mk7 program within FBM, you will: • Serve as the Mk7 program lead for developing and maintaining programmatic demand between the Mk7 program and the Lockheed Martin Reentry Operations Center (ROC). • Navigate several program management supply and demand tools such as EPDM and SAP • Administer procurement and subcontract management best practices to ensure production commitments are met • Execute project management duties across several...
Lockheed Martin
Jul 10, 2026
Cyber Software Engineer Senior
Lockheed Martin King of Prussia, PA
Description: What We're Doing At Lockheed Martin Rotary and Mission Systems, we are shaping the future of defense and security through innovation, integrity, and visionary thinking. Our teams apply the highest standards of business ethics and technical expertise to design solutions that safeguard our nation and allies. Every day, we push boundaries to ensure mission success—and we invite you to be part of this critical work. Key Responsibilities • Design and implement secure system architectures for enterprise and mission-critical environments. • Apply cybersecurity engineering principles across the full system lifecycle, including requirements, design, implementation, verification, deployment, and sustainment. • Support Risk Management Framework (RMF) activities including control implementation, assessment, evidence collection, and ATO accreditation and sustainment. • Perform security hardening of operating systems, applications, databases, and network devices in...
Lockheed Martin
Jul 10, 2026
Cyber Software Engineer Staff
Lockheed Martin King of Prussia, PA
Description: What We’re Doing At Lockheed Martin Rotary and Mission Systems, we are shaping the future of defense and security through innovation, integrity, and visionary thinking. Our teams apply the highest standards of business ethics and technical expertise to design solutions that safeguard our nation and allies. Every day, we push boundaries to ensure mission success—and we invite you to be part of this critical work. The Work We are seeking a highly motivated Cyber Security Systems Engineer to support the design, implementation, hardening, and sustainment of secure mission systems across both CONUS and OCONUS environments. This role requires strong technical expertise in systems engineering, cybersecurity, infrastructure security, automation, and DevSecOps practices. The ideal candidate will support secure architecture development, system accreditation activities, continuous monitoring, vulnerability management, and automation of security controls within CI/CD...
Lockheed Martin
Jul 10, 2026
Software Engineer Sr - Level 3
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 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. • Generating and simulating operational level plans to explore the art of the possible,...
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