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196 security clearance jobs found

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Lockheed Martin
Apr 26, 2026
MRP Planning/Scheduling Senior Manager - Level 6
Lockheed Martin King of Prussia, PA
Description: Protecting what matters most is the mission that matters most. As we journey through a new era of space, Lockheed Martin Space is a pioneer, partner, innovator and builder. Our amazing team is on a mission to make a difference in the world. Every day, our 115,000 employees come to work with one focus – our customers’ hardest missions. Those that demand extraordinary amounts of courage, resilience, and precision. They’re dangerous. Critical. Sometimes they even provide an opportunity to change the world and save lives. Those are the missions we care about. We provide the resources, support, and the focus. You bring the passion and courage to envision limitless possibilities and we’ll tackle those missions with you and stay ahead of ready. Going to space is just the beginning. It’s what you do when you get there that matters. We build satellites and spacecraft that do amazing things in space for our government and commercial customers. Connecting people, advancing...
General Dynamics Mission Systems, Inc
Apr 26, 2026
Sr Advanced Space Systems Engineer- Pittsburgh, PA
General Dynamics Mission Systems, Inc Pittsburgh, PA
Basic Qualifications Requires a Bachelor’s degree in Systems Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred.   CLEARANCE REQUIREMENTS:  Department of Defense TS/SCI 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 GDMS Sr. Advanced Systems Engineers analyze, design, develop and test GDMS systems to ensure the integration of software, hardware, reliability, maintainability, safety and other requirements in the total engineering effort.   Responsibilities include...
Lockheed Martin
Apr 25, 2026
Program Quality Engineer Stf (Top Secret clearance required)
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: Manage the implementation and execution of program quality...
Lockheed Martin
Apr 24, 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...
Lockheed Martin
Apr 24, 2026
Senior 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...
Lockheed Martin
Apr 24, 2026
Staff 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...
Lockheed Martin
Apr 24, 2026
Sr. Quality Engineer - Archbald, PA
Lockheed Martin Archbald, PA
Description: You will be the Quality Engineer Sr. for the Quality Engineering team. Our team is responsible for delivering world‑class quality assurance support to the Missiles & Fire Control (MFC) circuit‑card assembly line. What You Will Be Doing As the Quality Engineer Sr. you will be responsible for driving end‑to‑end quality initiatives that keep our hardware production on schedule and compliant. Your responsibilities will include, but are not limited to: Chairing Material Review Boards and facilitating Corrective Action Boards. Providing inspection and test support, and managing disposition of non‑conforming material. Preparing and executing First Article Inspections (FAIs), Process Line Verifications (PLVs) and Production Readiness Reviews (PRRs). Effectively communicate with Customer, Program team and other functional departments. Conducting Hardware Quality Assessments (HQAs) and Program Status Reviews (PSRs). Supporting internal and...
Lockheed Martin
Apr 24, 2026
Senior 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...
Lockheed Martin
Apr 24, 2026
Stress and Dynamics Engineer (Level 4)
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. OVERVIEW: As the Stress & Dynamics Engineer Staff, you will be responsible for...
Lockheed Martin
Apr 24, 2026
Production Supervisor
Lockheed Martin King of Prussia, PA
Description: Role Overview Lead a manufacturing team to deliver high-quality products on time and within cost. You’ll coordinate daily operations across functions, support continuous improvement, and create a team culture grounded in communication, accountability, and collaboration. Key Responsibilities • Lead daily manufacturing operations across areas such as assembly, machining, and production support • Coordinate closely with engineering, quality, and production control teams • Run cross-functional meetings to align priorities, remove blockers, and drive results • Monitor and improve performance in quality, schedule, and cost targets • Identify and support process improvements to increase efficiency and consistency • Coach and develop team members through clear expectations, feedback, and support • Foster an inclusive, respectful team environment where all employees can contribute • Manage hiring, training, performance, and employee relations Work Environment •...
Lockheed Martin
Apr 24, 2026
Program Agile Lead
Lockheed Martin King of Prussia, PA
Description: At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges. Within Space, we are seeking a talented Release Train Engineer (RTE) to join our Agile Talent Center team as an RTE deployed to the VUE program with a desire to facilitate Agile Release Train (ART) events and processes and assist teams in delivering business and customer value. RTEs communicate with stakeholders, escalate impediments, help manage roadblocks, and facilitate improvement in our Space Business Area. The RTE will support the Solution Train Engineer and be the direct program liaison for all activities described below. As an RTE for the Agile Talent Center team, you will be expected to: - Work together with Product and Technical stakeholders of the ART to manage and optimize the flow of value through the ART - Serve as the primary facilitator of ART level events and processes including Value Stream Mapping, Roadmap...
Lockheed Martin
Apr 24, 2026
Manufacturing Project Engineer IV
Lockheed Martin King of Prussia, PA
Description: Role Overview As a Manufacturing Project Engineer IV, you will lead production-related projects by managing cost, schedule, and scope. You’ll play a key role in ensuring manufacturing programs stay on track and aligned with operational goals. Key Responsibilities • Plan and oversee production and capital projects • Develop and maintain production schedules (IMS) • Allocate resources and support production strategy planning • Track and manage cost, schedule, and project scope • Support proposal development and project cost estimates • Collaborate with cross-functional teams to meet production targets • Provide occasional off-hours or weekend support as needed • Travel up to 25% as required Work Environment • Fast-paced manufacturing environment • Highly collaborative, cross-functional teams • Combination of planning, coordination, and execution work • On-site role with occasional travel and flexible hours based on production needs Why You’ll Love This Role •...
Lockheed Martin
Apr 24, 2026
Production Planner (MRP II) - Level 2
Lockheed Martin King of Prussia, PA
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
Apr 24, 2026
Production Scheduler - Level 2
Lockheed Martin King of Prussia, PA
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
Apr 23, 2026
Senior Staff Reentry Project Engineer
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? For over 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s mission to provide 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. Learn about the Trident II D5 Fleet Ballistic Missile and Mk7 Ballistic Missile. What does this role look like? Lockheed Martin (LM) is looking for a dedicated Senior Project Engineer to become a member of the Reentry Portfolio Integration (RPI) Office. In this role you will:...
Lockheed Martin
Apr 23, 2026
Systems Integration & Test Engineer Associate / Archbald, PA
Lockheed Martin Archbald, PA
Description: Lockheed Martin is a global security and aerospace company that employs approximately 114,000 people worldwide and is principally engaged in the research, design, development, manufacture, integration, and sustainment of advanced technology systems, products, and services. Lockheed Martin Missiles and Fire Control (MFC) is one of four Lockheed Martin business areas. We are seeking to hire a Systems Integration & Test Engineer Asc. for our Archibald, PA site. We're looking for a highly skilled and experienced System Integration / Test Engineer Asc. to join our team. If you have a Bachelor's degree in a related discipline, we encourage you to apply. The role will be responsible for planning, implementing, testing, and maintaining solutions for the integration and testing of complex systems and subsystems. Our team is dedicated to delivering innovative solutions to our customers, and you will play a key role in ensuring the successful integration and testing of...
Lockheed Martin
Apr 23, 2026
Manufacturing Supervisor - Second Shift
Lockheed Martin Archbald, PA
Description: You will be the Manufacturing Supervisor for the Lockheed Martin Missiles & Fire Control Prodocution Operations team. Our team is responsible for overseeing all electro‑mechanical activities during second‑shift hours, meeting safety, quality, schedule, and cost targets for multiple programs. What You Will Be Doing As the Manufacturing Supervisor on second shift, you will be responsible for leading a diverse team to deliver safe, high‑quality production on schedule while controlling costs. Your responsibilities will include, but are not limited to: Manage a second shift team to achieve safety, quality, schedule, and cost objectives for multiple programs. Resolve conflicts, build trust, and motivate employees to maintain a high‑performing work environment. Identify and implement continuous‑improvement opportunities across work cells and production processes. Collaborate with engineering to update work instructions, plan new production...
Lockheed Martin
Apr 23, 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
Apr 23, 2026
System Engineer Sr - Level 3 - Top Secret Clearance Required
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 is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world and every single day we use our 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. **** This Position is contingent upon program award expected in early 2026.**** You will be responsible for developing system level artifacts and engaging with customers, mission partners, and other stakeholders to satisfy and fulfill customer directed objectives As a member of the Systems Engineering team you will: • Perform in an...
Lockheed Martin
Apr 22, 2026
Mechanical/Electrical Assembly/I & T Manufacturing Engr (Level 2-5)
Lockheed Martin King of Prussia, PA
Description: Lockheed Martin Space will be hosting an invitation only in-person Hiring Event in King of Prussia, PA in June. To be considered for this opportunity, Manufacturing Engineer candidates have a Secret clearance or above or have the ability to obtain a Secret government security clearance (U.S. citizenship required). The successful candidate will have experience and/or knowledge of the following: manufacturing practices and methods for mechanical assembly and integration, electronics assembly, and/or cable/harness assembly; reading and interpreting drawings, schematics, and specifications; knowledge of lean manufacturing principles and techniques; the ability to read, interpret, and apply basic GD&T (Geometric Dimensioning & Tolerancing) principles. Summary of Key Duties for this position: • You will design manufacturing processes, procedures, and production layouts for mechanical assemblies and electromechanical assemblies. • You will provide producibility...
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