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197 security clearance jobs found

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Lockheed Martin
May 15, 2026
We're hiring! Radar, RF, SW, EE, and HW Engineering Opportunities
Lockheed Martin King of Prussia, PA
Description: WHO WE ARE 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. We put our employees first—offering diverse career paths, flexible schedules, competitive compensation, and...
Lockheed Martin
May 15, 2026
Senior Mechanical 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. Lockheed Martin Space is seeking a Mechanical Engineer to join our FBM Reentry...
Lockheed Martin
May 15, 2026
Dev SecOps Engineer-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. The Kayenne Program develops and maintains a secure, hybrid environment that...
Lockheed Martin
May 15, 2026
Full Stack Infrastructure Engineer (TS/SCI Required)
Lockheed Martin King of Prussia, PA
Description: What We’re Doing: Lockheed Martin’s Electronic, Cyber & Information Warfare (ECIW) market segment within the RMS C6ISR line of business is focused on ensuring our customers can dominate the full Electromagnetic Spectrum (EMS), bringing capabilities to bear in the realms of intelligence, surveillance and reconnaissance (ISR), cyber techniques and effects, electronic warfare (EW), information operations (IO), and 5G.MIL; while delivering full-spectrum cyber capabilities and cyber resilient systems to our defense, intelligence community and global security customers. We are dedicated to helping governments and militaries around the world protect their platforms, systems, networks and data by: protecting networks, cyber hardening weapons, providing mission and training systems; outfitting cyber warriors with technologies for offensive and defensive missions; developing advanced technologies that enable cyber operations; and helping the intelligence community...
Lockheed Martin
May 15, 2026
Cyber Systems Security Engineer Senior
Lockheed Martin King of Prussia, PA
Description: Cyber Systems Security Engineer (CSSE) – TTWCS Program 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 As a Cyber Systems Security Engineer (CSSE) supporting the TTWCS program, you will: Perform periodic manual and automated STIG evaluations, tracking deltas across versions and platforms. Conduct cyber risk assessment activities, including threat modeling, vulnerability analysis, and evaluation of mitigation strategies. Develop, analyze, and validate security design constraints within the cyber domain. Collaborate with cybersecurity engineers, system architects, and developers to ensure...
Lockheed Martin
May 15, 2026
Machining Manufacturing Engineer III
Lockheed Martin King of Prussia, PA
Description: Role Overview Turn complex engineering designs into precise, production-ready CNC programs. In this role, you’ll drive machining strategy, validate programs on the shop floor, and help improve manufacturing performance from prototype through full-rate production. Key Responsibilities • Develop and optimize CNC programs for 3-, 4-, and 5-axis machines • Interpret engineering drawings and define machining approaches • Select tooling, speeds, and feeds to balance precision and efficiency • Validate programs through machine prove-outs and setup support • Troubleshoot machining and production issues in real time • Create and maintain clear manufacturing work instructions • Train and support machine operators as needed • Assist with new equipment setup and production ramp-up • Partner with engineering and manufacturing teams to improve processes • Support tooling and fixture development for repeatability and performance Work Environment • On-site, hands-on...
Lockheed Martin
May 15, 2026
Operations Program Lead / Archbald, PA
Lockheed Martin Archbald, PA
Description: You will be a Production Operations Lead for our Lockheed Martin Archbald facility. Our team is committed to delivering high-quality products, and you will play a critical role in ensuring that our production operations meet quality, cost, and schedule objectives. What You Will Be Doing As a Production Operations Lead, you will be responsible for guiding production operations activities for any variety of programs within the Archbald facility. As the primary interface between the functional production teams and program/production operations management, you'll provide direction, coordination, communication, support, and leadership to cross-functional production teams to ensure quality, cost, and schedule objectives are met. This will require working closely with various functional groups to include manufacturing engineering, production planning and control, design engineering, test engineering, procurement, configuration management, quality and production...
Lockheed Martin
May 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...
General Dynamics Mission Systems, Inc
May 15, 2026
Distinguished Member of the Technical Staff - MK48
General Dynamics Mission Systems, Inc Canonsburg, PA
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 preferred, but must be obtainable within a reasonable amount of time after 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 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...
General Dynamics Mission Systems, Inc
May 14, 2026
Sr Electronics Test Technician
General Dynamics Mission Systems, Inc Canonsburg, PA
Basic Qualifications Associate’s degree in related discipline or equivalent is required plus a minimum of 1 year of relevant experience. CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is preferred at time of hire, but must be obtainable within a reasonable period 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 Help make the technologies, products and services that make a difference. That’s the opportunity that’s waiting for you at General Dynamics Mission Systems. We help our nation’s heroes keep our nation safe by creating solutions so advanced, they redefine innovation for the world. It’s an amazing challenge. And it’s waiting for you now. We apply advanced...
General Dynamics Mission Systems, Inc
May 14, 2026
Sr Advanced Manufacturing Planning Specialist
General Dynamics Mission Systems, Inc Canonsburg, PA
Basic Qualifications Bachelor's degree or equivalent combination of education and relevant work is required plus a minimum of 8 years of relevant experience; or Master's degree or equivalent plus a minimum of 6 years of relevant experience.   CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is obtainable within a reasonable amount of time after 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 Developing mission-critical systems that help keep people safe is what we do. At General Dynamics Mission Systems, you’ll be part of the team that helps heroes make a true impact. The work we do is important. The challenges we face are career-defining. The opportunity we can...
Lockheed Martin
May 12, 2026
Software Engineer
Lockheed Martin King of Prussia, PA
Description: Job Description : Do you have a commitment to success, proven interpersonal skills, a positive outlook? Are you a creative thinker and problem solver? Are you looking for a meaningful career? If so, then we would love to speak with you! Engineering & Technology is a dynamic and growing organization that plays a vital role in providing mission-critical intelligence solutions by optimizing satellite constellations, processing data through its entire life cycle and developing reliable cutting-edge infrastructure for information dissemination across a global network and to a variety of programs. The Lockheed Martin Space Remote Sensing Ground (RSG) organization executes multiple contracts and research efforts to design, develop, and deploy tracking software applications. We develop state-of-the-art processing applications to deliver timely, actionable intelligence to our warfighting partners around the globe. As a Software Engineer supporting the execution of a...
Lockheed Martin
May 12, 2026
Software Engineer
Lockheed Martin King of Prussia, PA
Description: Do you have a commitment to success, proven interpersonal skills, a positive outlook? Are you a creative thinker and problem solver? Are you looking for a meaningful career? If so, then we would love to speak with you! Engineering & Technology is a dynamic and growing organization that plays a vital role in providing mission-critical intelligence solutions by optimizing satellite constellations, processing data through its entire life cycle and developing reliable cutting-edge infrastructure for information dissemination across a global network and to a variety of programs. The Lockheed Martin Space Remote Sensing Ground (RSG) organization executes multiple contracts and research efforts to design, develop, and deploy tracking software applications. We develop state-of-the-art processing applications to deliver timely, actionable intelligence to our warfighting partners around the globe. As a Software Engineer supporting the execution of a large processing...
Lockheed Martin
May 12, 2026
Software Engineer
Lockheed Martin King of Prussia, PA
Description: Do you have a commitment to success, proven interpersonal skills, a positive outlook? Are you a creative thinker and problem solver? Are you looking for a meaningful career? If so, then we would love to speak with you! Engineering & Technology is a dynamic and growing organization that plays a vital role in providing mission-critical intelligence solutions by optimizing satellite constellations, processing data through its entire life cycle and developing reliable cutting-edge infrastructure for information dissemination across a global network and to a variety of programs. The Lockheed Martin Space Remote Sensing Ground (RSG) organization executes multiple contracts and research efforts to design, develop, and deploy complex tracking applications. We develop state-of-the-art processing applications to deliver timely, actionable intelligence to our warfighting partners around the globe. As a Software Engineer supporting the execution of a large processing...
Lockheed Martin
May 12, 2026
Proposal Analyst
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. The National Security Space (NSS) Estimating team needs a strong Estimator to support the...
Lockheed Martin
May 12, 2026
System Engineer - 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 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
May 12, 2026
Cybersecurity Engineer
Lockheed Martin King of Prussia, PA
Description: Be part of a dynamic security engineering team working to capture, define, architect, develop, integrate, and sell-off products to government customers. In this role, you will support tasks such as the following under the direction of the cyber engineering lead: •Apply an interdisciplinary, collaborative approach to assist with planning, design, development, validation and verification of Cyber solutions across the lifecycle •Serve as cyber representative to non-cyber teams supporting requirements understanding, collaborative engagement, and solution identification and implementation •Assist with development of Cyber Plans and Procedures Basic Qualifications: • Understanding of Linux and Windows operating systems • Technical curiosity to learn new skills and are ready to help across the team •Team Player • Experience with vulnerability scanning and/or of patching • Understanding of Risk Management Framework, (RMF) NIST SP 800-53 • Experience with generating Bodies...
Lockheed Martin
May 12, 2026
Systems Engineer Sr, Level 3
Lockheed Martin King of Prussia, PA
Description: 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, how we could defend the ultimate high ground in a future space war • Dynamically optimizing both terrestrial and space-based sensors to provide comprehensive space domain awareness • Strategically optimizing the placement and maneuvering of constellations of satellites to satisfy...
Lockheed Martin
May 12, 2026
Sr. Quality Engineer - Archbald, PA
Lockheed Martin Archbald, PA
Description: You will be the Sr. Quality Engineer for the Quality Engineering team. Our team is responsible for applying quality principles across design, production, and supplier processes to ensure product and process excellence. What You Will Be Doing As the Sr. Quality Engineer you will be responsible for driving rigorous quality practices that safeguard reliability and compliance throughout the product lifecycle. Your responsibilities will include, but are not limited to: Apply quality principles to design, incoming material, production control, and product evaluation. Conduct technical evaluations of requirements, specifications, models/designs, drawings, and procedures. Lead product‑failure investigations, material‑review‑board decisions, and corrective/preventive actions. Develop and implement strategies to improve internal and supplier performance and productivity. Design and analyze inspection and testing processes, perform statistical...
Lockheed Martin
May 12, 2026
Quality Engineer - Archbald, PA
Lockheed Martin Archbald, PA
Description: You will be the Quality Engineer for the Quality Engineering team. Our team is responsible for developing, modifying, and maintaining quality evaluation and control systems for material processing. What You Will Be Doing As the Quality Engineer you will be responsible for ensuring that our products and processes meet the highest standards of precision, reliability, and compliance. Your responsibilities will include, but are not limited to: Develop, modify, and maintain quality evaluation and control systems and protocols. Collaborate with engineering and manufacturing to establish and enforce quality standards. Design and analyze inspection and testing processes, mechanisms, and equipment. Conduct quality‑assurance tests and perform statistical analysis to identify non‑conforming products. Audit quality systems for deficiencies and implement corrective actions that meet reliability standards. Why Join Us The ideal candidate is a...
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