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14 senior security engineer jobs found

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Lockheed Martin
Apr 03, 2026
Sr. Infrastructure Engineer - (Top Secret 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. As a Senior Systems Engineer-IT, you will: - Provide systems (server/application/network)...
Lockheed Martin
Mar 26, 2026
Senior Software Engineer - Radar Modeling and Simulation
Lockheed Martin King of Prussia, PA, USA
Description: Who We Are Lockheed Martin is dedicated to shaping, developing, & advancing technologies & capabilities with a focus on our customers' needs as part of our 21st Century Security vision. We foster collaborative innovation, provide opportunities for career development, & empower our employees with the skills needed to create cutting-edge products & solutions that keep our users Ahead of Ready. Who You Are As a Senior Software Engineer in the Radar Modeling and Simulation group, you will develop high performance C++ software. Your contributions will directly support radar modeling, scene modeling, signal construction, signal processing, and radar control processing components within simulation and digital twin environments. Your software will operate as part of a system of systems integrating with external components to enable high volume and high fidelity radar modeling and simulations. You will apply a systems engineering perspective to ensure delivery...
Lockheed Martin
Mar 25, 2026
Software Quality Engineer Staff
Lockheed Martin King of Prussia, PA, USA
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. 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,...
Lockheed Martin
Mar 24, 2026
Survivability Engineer (Level II)
Lockheed Martin King of Prussia, PA, USA
Description: "Ahead of Ready" 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. As a Survivability Engineer, you will support the System Engineering (SE) Special Disciplines Organization in one or more of the following...
Lockheed Martin
Mar 24, 2026
DevSecOps Engineer, Staff
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. 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. THE WORK Lockheed Martin is seeking a talented DevSecOps Engineer with a Final Top Secret security clearance to work from either our King of Prussia, PA or Littleton, CO location(s). This is an MID-SR CAREER (level 4) ROLE where candidates typically require 5+ years of professional...
Lockheed Martin
Mar 19, 2026
Senior Software Engineer (Top Secret Clearance)
Lockheed Martin King of Prussia, PA, USA
Description: Lockheed Martin’s Victor Portfolio of Space Security is seeking a highly skilled, motivated, and experienced Senior Software Engineer to join an Agile, cross‑functional team dedicated to protecting critical space assets. This role will focus on developing web‑based applications within an open‑architecture infrastructure that supports mission‑critical space‑security operations. The successful candidate will collaborate with internal development teams and subject‑matter experts, and thrive in a fast‑paced environment where each day brings new challenges. Key Responsibilities • Full‑Lifecycle Development – Design, implement, test, deploy, and maintain web applications and services that enable space‑asset protection. • Agile Collaboration – Participate in Scrum ceremonies (stand‑ups, sprint planning, retrospectives) and contribute to continuous‑improvement of team processes. • Open‑Architecture Integration – Build modular, reusable components that conform to...
Lockheed Martin
Mar 12, 2026
Systems Engineer
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. A new era of strategic missile defense is upon us with career and growth opportunities within new and exciting programs and capabilities that will ensure the...
Lockheed Martin
Feb 25, 2026
Senior Systems Engineer
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 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. THE WORK We are in search of an experienced Systems Engineer to join our team. As an Engineering Professional on the TTWCS program, you will perform system engineering efforts leading change packages to the existing software system, performing requirements development, interface design, system architecture, and aid in the design and development of future systems. The work location will be in...
Lockheed Martin
Feb 20, 2026
Senior Systems Architect
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 a senior systems architect to join the Global Security Future Architectures (GSFA) Ground Team for upcoming work on Program 224. The Systems Architect will be joining a ground subsystem team and contribute to the...
Lockheed Martin
Feb 11, 2026
Systems Test Engineer Senior (Level 3)
Lockheed Martin King of Prussia, PA, USA
Description: The coolest jobs on this planet… or any other… are with Lockheed Martin Space OVERVIEW: 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 What does this role look like? Lockheed Martin Space is seeking a senior systems test engineer to join the Global Security Future...
Lockheed Martin
Feb 11, 2026
Program Agile LEAD
Lockheed Martin King of Prussia, PA, USA
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
Mar 17, 2026
Product Quality Manager
Lockheed Martin King of Prussia, PA, USA
Description: We are seeking a strategic leader to fill a Production Quality Assurance (PQA) role, responsible for leading the King of Prussia site Quality organization in support of Production Operations activities. This position will initially oversee a team of approximately 25 employees but will likely grow with expansion of the site. Key programs are within the Strategic Ballistic Missile (SBM) portfolio. Key Responsibilities: -Lead Production Quality Engineers and Inspectors -Collaborate with Production, Supply Chain, and Programs teams -Maintain Quality Management System (QMS) and safety compliance -Evolve key value streams to enable Space to be ahead of ready in a model-based enterprise -Serve as primary point of contact with DCMA and external customers for Production Quality Assurance strategic objectives -Drive commonality and standardization for designing scalable production -Strengthen cross-functional Collaboration and cross-site partnerships -Deliver value-added...
Lockheed Martin
Mar 08, 2026
Signals Software Engineer
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. 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. 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 The Lockheed Martin Space RSG team is...
General Dynamics Mission Systems, Inc
Feb 17, 2026
Sr Deputy Program Manager Engineering
General Dynamics Mission Systems, Inc Canonsburg, PA, USA
Basic Qualifications Requires a Bachelor’s degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related 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 As a  Sr Deputy Program Manager Engineering (DPME)  for the Torpedo Systems Group, you work closely with the Senior Engineering Leadership, Chief Engineers and Business Area Managers to plan, authorize, and drive execution of the engineering tasks to completion (including providing...
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