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213 security clearance jobs found

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Lockheed Martin
Mar 04, 2026
Production Planner - Level 1
Lockheed Martin King of Prussia, PA, USA
Description: Protecting what matters most is the mission that matters most. 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. Going to space is just the...
Lockheed Martin
Mar 04, 2026
Financial Management - Early Career
Lockheed Martin King of Prussia, PA, USA
Description: Description:This is a Hybrid Telework opportunity. These job requirements allow the employee to work at a Lockheed Martin-designated office or job site for part of their schedule and has a predefined regular, recurring telework schedule for the remaining part of their work schedule. What We’re Doing: At Lockheed Martin Rotary and Mission Systems, we're on a mission to drive innovation and uphold the highest standards of business ethics. We believe that by pushing the boundaries of visionary thinking, we can achieve exceptional results. As a Lockheed Martin employee, you'll have the opportunity to make a meaningful impact while working in an environment that values integrity and excellence. The Work: This position supports the Radars, Electronic Warfare & Acoustic Systems (REAS) focusing mainly on Strategic Spectrum Solutions (S3) Programs. Your responsibilities will include: • Earned value management and reporting • Financial forecasting, analysis, and...
Lockheed Martin
Mar 04, 2026
Information Systems Security Officer - Mid Career (Level 3)
Lockheed Martin King of Prussia, PA, USA
Description: This position requires Final Secret clearance with ability to obtain Top Secret. The Cybersecurity Analyst will partner with the security team, program, and government customers to perform as an Information Systems Security Officer (ISSO) in King of Prussia, PA. 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 hours and a...
Lockheed Martin
Mar 04, 2026
Sys Integration & Test Engineer - Early Career
Lockheed Martin King of Prussia, PA, USA
Description: WHAT WE'RE DOING Want to work with cutting-edge technologies in a fun, fast-paced, and dynamic environment? Are you a problem solver that takes on challenges that others think are impossible? If you answered yes to these questions, then we invite you to join Lockheed Martin Rotary and Missions Systems (RMS) as a Systems Integration and Test Engineer! Lockheed Martin is a global leader in aerospace, defense, and technology solutions. You will be joining Lockheed Martin Rotary and Mission Systems supporting the Tactical Tomahawk Weapons Control System (TTWCS) program in Valley Forge, PA. Systems Integration and Test Engineer-Early Career THE WORK This position is for a level 1 integration and test engineer for the TTWCS (Tactical Tomahawk Weapons Control System) program where the successful candidate will work in the SW Test Agile Team to verify software requirements. This includes verification of requirements, mapping of requirements to test procedures,...
Lockheed Martin
Mar 04, 2026
Security Representative Senior
Lockheed Martin King of Prussia, PA, USA
Description: Lockheed Martin’s, Rotary & Mission Systems (LM RMS), Program Security and Compliance invites you to step up to one of today’s most daunting challenges: the protection of exquisite government capabilities leading to warfighter supremacy against our peer and near peer adversaries. As a Security Representative at Lockheed Martin, you’ll safeguard the sensitive information and warfighting capabilities that our citizens and the world depend upon to protect U.S. and ally interests. Here, you’ll work alongside other program security experts, government civilians and military members to support their military operational objectives by providing them with a safe and secure operating environment. 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 these exquisite capabilities protected. The Work: Due to local mission requirements, an active Top Secret clearance within a 5-year...
Lockheed Martin
Mar 04, 2026
Systems Engineer, Nuclear Safety
Lockheed Martin King of Prussia, PA, 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 Our Team Come join a group of diverse Engineers with a long history of...
General Dynamics Mission Systems, Inc
Mar 04, 2026
Manufacturing Leadership Program Engineer (Electrical) - Class of 2026
General Dynamics Mission Systems, Inc Canonsburg, PA, USA
Basic Qualifications Bachelor's degree in Electrical Engineering is required for site specific!   CLEARANCE REQUIREMENTS: Department of Defense secret security clearance is preferred at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position General Dynamics Mission Systems has an opening for a Manufacturing Leadership Program (MLP) Engineer - Class of 2026 to join our team in Canonsburg, Pennsylvania. The position provides an opportunity to develop and advance the cutting-edge technology that supports some of our nation's fundamental defense services. General Dynamics Mission Systems employees work closely with esteemed clients to develop solutions that allow them to carry out high-stakes...
General Dynamics Mission Systems, Inc
Mar 04, 2026
Contractor Program Security Officer (CPSO)
General Dynamics Mission Systems, Inc Pittsburgh, PA, USA
Basic Qualifications Bachelor’s degree in Administration of Justice, Criminal Justice, Law Enforcement or related field or the equivalent is required plus a minimum of 5 years relevant experience; or Master's degree plus a minimum of 3 years relevant experience. General Dynamics experience is strongly preferred. CLEARANCE REQUIREMENTS: Department of Defense TS/SCI with Polygraph security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position General Dynamics Mission Systems is seeking a full-time, dedicated and experienced CPSO / FSO / ITPSO to join our team in Pittsburgh, PA . The ideal candidate should have a minimum 5 years of experience in CPSO/FSO...
General Dynamics Mission Systems, Inc
Mar 04, 2026
Software Engineer – Entry Level
General Dynamics Mission Systems, Inc Pittsburgh, PA, USA
Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering or Mathematics field. Agile experience preferred.   CLEARANCE REQUIREMENTS: [Department of Defense Secret security clearance is preferred at time of hire.] Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position ROLE AND POSITION OBJECTIVES: As a software engineer for GDMS, you’ll be a member of a cross functional team responsible for performing software requirements analysis, lead research and design, and develop and test software and tools. From inventing new products or enhancing existing applications, your talent and leadership abilities will be front and center. As a Software...
General Dynamics Mission Systems, Inc
Mar 04, 2026
Distinguished Member of the Technical Staff - MK48
General Dynamics Mission Systems, Inc Canonsburg, PA, USA
Basic Qualifications Requires a Bachelor’s degree in Electrical Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 10+ years of job-related experience, or a Master's degree plus 8 years of job-related experience.     CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required and must be obtainable within a reasonable amount of time. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Imagine a world-class engineering environment. Now add a team of exceptional talent along with technologies that are so advanced theyre often classified. Thats what youll find at General Dynamics Mission Systems. Here youll work with amazing...
Lockheed Martin
Mar 03, 2026
DevSecOps Engineer, Staff Active TS/SCI w/ Poly
Lockheed Martin King of Prussia, PA, USA
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 is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every day we use our unique skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you. The Space Security Division within Lockheed Martin Space’s Mission Solutions business area is seeking a talented and dedicated Systems Engineer-IT to become a member of an Agile team focused on IT Infrastructure (Systems Administration, Networking, & Hardware) in the Foxtrot Program Area. Are you a Senior DevSecOps Engineer for...
Lockheed Martin
Mar 03, 2026
Cyber Security Engineer Early Career
Lockheed Martin King of Prussia, PA, USA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world’s most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. Lockheed Martin Space is seeking an Early Career Cyber Security Engineer for the a DoD Program located in King of Prussia, PA. In this role, you will: • Evaluate systems and designs to determine cybersecurity characteristics. • Conduct...
Lockheed Martin
Mar 03, 2026
Production Readiness Manager
Lockheed Martin King of Prussia, PA, USA
Description: Role Overview This leadership role drives the implementation of Lean Manufacturing and Continuous Improvement practices across the Valley Forge portfolio. The leader ensures the factory successfully transitions from development to full-rate production while growing site manufacturing and test capabilities, expanding site capacity, and delivering on production readiness goals. Key Duties / Responsibilities • Plan, lead, and implement Continuous Improvement projects focused on reducing waste, optimizing layout/flow, and growing capability and capacity to support the site’s contractual Production Readiness milestones. • Organize, assign, and oversee project staff to ensure milestones are met on time and within budget. • Recruit, select, train, and develop team members, including managing performance, work assignments, recognition, and disciplinary actions. • Collaborate with cross-functional teams to resolve production, engineering,...
Lockheed Martin
Mar 03, 2026
Production Planning & Control Manager
Lockheed Martin Archbald, PA, USA
Description: You will be a Production Planning & Control Manager at our Archbald, PA facility, supporting the Missiles and Fire Control (MFC) team. Our team is responsible for delivering products that play a critical role in national security, and we are looking for a talented leader to join our team and contribute to our mission. What You Will Be Doing As a Production Planning & Control Manager, you will report to site senior leadership as a member of the Operations Team. You will be responsible for production control, warehouse and demand planning for the site operations. Your team consists of over 30 individuals, both exempt and non-exempt working across the warehouse, electrical assembly and fabrication operations. You will be coordinating with multiple program teams for the effective release and execution of production orders to support demand. In addition, you will also be coordinating with functional leaders on the local operations team as well as within...
Lockheed Martin
Mar 03, 2026
Cyber Security Engineer - Early Career
Lockheed Martin King of Prussia, PA, USA
Description: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world’s most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work. At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. Your Mission is Ours. Lockheed Martin Space is seeking an Early Career Cyber Security Engineer for the a DoD Program located in King of Prussia, PA. In this role, you will: • Evaluate systems and designs to determine cybersecurity characteristics. • Conduct...
Lockheed Martin
Mar 03, 2026
Senior Manufacturing Engineer
Lockheed Martin King of Prussia, PA, USA
Description: Company Mission & Program Overview At Lockheed Martin Space , we design and deliver advanced space and defense solutions that protect people, connect communities, and shape the future. Our work supports national security, scientific discovery, and global innovation through our 21st Century Security® vision —focused on resiliency, urgency, and partnership. We believe the future of space depends on both cutting-edge technology and the next generation of engineers . That’s why we invest in early-career talent, mentorship, and hands-on experience that accelerates learning and impact from day one. Role Overview We are seeking a Manufacturing Engineer to join our Operations Manufacturing Engineering Team in King of Prussia, PA. Help transform engineering designs into reliable, repeatable manufacturing processes that support complex mechanical and electromechanical assemblies. You’ll collaborate closely with design engineering, production teams, quality,...
Lockheed Martin
Mar 03, 2026
Systems Engineer Staff- TS/SCI Clearance Required
Lockheed Martin King of Prussia, PA, 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. Estimated award date is February 2026. On the Black Canyon program, you will be...
Lockheed Martin
Mar 02, 2026
Senior DevSecOps Engineer - (Top Secret Clearance)
Lockheed Martin King of Prussia, PA, 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. WHAT WE'RE DOING 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. THE WORK Lockheed Martin is seeking a highly skilled...
Lockheed Martin
Mar 02, 2026
Senior DevSecOps Engineer - (Top Secret Clearance Required)
Lockheed Martin King of Prussia, PA, 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. WHAT WE'RE DOING 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. THE WORK Lockheed Martin is seeking a highly skilled...
Lockheed Martin
Mar 02, 2026
DevSecOps Engineer Staff - (Top Secret Clearance)
Lockheed Martin King of Prussia, PA, 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. WHAT WE'RE DOING 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. THE WORK Lockheed Martin is seeking a highly skilled...
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