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63 systems software engineer jobs found

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General Dynamics Mission Systems, Inc
Mar 05, 2026
Software Systems Engineer
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 2+ years of job-related experience, or a Master's degree and 6 months of job-related experience.   CLEARANCE REQUIREMENTS: Ability to obtain a 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 ROLE AND POSITION OBJECTIVES:   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...
Lockheed Martin
May 02, 2026
Information Systems Security Officer, Classified Cybersecurity
Lockheed Martin King of Prussia, PA
Description: Top Secret security clearance with ability to obtain SCI Eligibility and Polygraph. This position will perform duties as a Classified Cybersecurity Information Systems Security Officer (ISSO) for systems located at the LM Space facility in Valley Forge PA. The work that Cybersecurity ISSO’s 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 family-first culture. Key Responsibilities of this role includes: - Oversee day-to-day information system security operations including hardware and software implementations. - Carry out technical administration of IS in accordance with internal LM and customer security requirements, primarily Risk Management Framework (RMF). - Upkeep,...
Lockheed Martin
May 01, 2026
Guidance, Navigation & Control Engineer, Flight Dynamics (Level I)
Lockheed Martin King of Prussia, PA
Description: About Lockheed Martin Space : 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 the Role : Lockheed Martin Space is seeking a...
Lockheed Martin
May 01, 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
Apr 29, 2026
Hardware Engineer
Lockheed Martin King of Prussia, PA
Description: WHAT WE'RE DOING Lockheed Martin Rotary and Mission Systems has an opportunity in Valley Forge, PA for a hardware engineer, supporting RMS EMC2 programs in Valley Forge, PA. THE WORK As a Hardware Engineer supporting RMS EMC2, located in Valley Forge, PA, you will: • Analyzing customer requirements (power, cooling, environment, storage, and transportation). • Develop Bills of Material, generate COTS modification and assembly drawings. • Coordinate material purchases with procurement department and approve of vendor quotes, • Support hardware assembly tasks. • Coordinate with vendors to repair or replace defective or damaged equipment, identify and document modifications. • Coordinate and support equipment installation at test and customer facilities and provide customer support to help them resolve problems. Please Note: • This position requires a government security clearance; you must be a US Citizen for consideration. WHO WE ARE You will collaborate...
Lockheed Martin
Apr 28, 2026
Software Engineer, Level 2
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 Sentinel program seeks a motivated, detail focused Software Systems Engineer who...
General Dynamics Mission Systems, Inc
Apr 28, 2026
Advanced Mechanical Engineer
General Dynamics Mission Systems, Inc Canonsburg, PA
Basic Qualifications Bachelor's degree in Mechanical Engineering, or a related Science, Engineering or Mathematics field, plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 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 Undersea Systems, a business area within the General Dynamics Mission Systems company, is a high-tech business focusing on software and hardware system integration, cutting-edge research and development, and manufacturing. We deliver architectures, designs, testing, and...
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 22, 2026
Sys Integration/Test Eng Sr
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. Missiles and Fire Control in Archbald, PA has an opening for a Test Engineer with Automated Test Equipment design experience. Our team is responsible for designing, integrating, and ensuring the seamless operation of test systems, and you will play a key role in providing technical support, test equipment improvements, and troubleshooting expertise. What You Will Be Doing As the ATE Test Engineer, you will be responsible for designing test consoles, interface test adapters (ITAs), test cables, and test fixtures. You will be architecting software and writing source code. You will be hands-on...
LMI
Apr 22, 2026
Technical Integration Lead
LMI Mechanicsburg, PA
Overview We're  seeking a  Technical Integration Lead  that knows their way around hardware, software, and everything in between.  You’ll  lead a high-performing development team to craft front-end applications, and design business logic that integrates seamlessly with RFID hardware. But this  isn’t   just about building  stuff in a vacuum –  it’s  about getting hands-on with customers, collaborating to solve bespoke challenges, and creating solutions that directly  impact  DoD missions. This role is equal parts  strategic thinker ,  technical collaborator , and  product evangelist . If you thrive in ambiguity, love building something from the ground up, and want to make a tangible difference, we want you. This position is located in Mechanicsburg, PA with occasional telework allowed and some travel  required . Active Secret or  Top Secret  clearance preferred.   LMI is a new breed of digital solutions...
Lockheed Martin
Apr 21, 2026
Manufacturing Engineer (Level 2-5)
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 will be hosting an invitation only in-person Hiring Event in King...
Lockheed Martin
Apr 21, 2026
Dev Sec Ops Engineer (Level 3-4)
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. Lockheed Martin Space will be hosting an invitation only in-person Hiring Event in King...
General Dynamics Mission Systems, Inc
Apr 20, 2026
SW Engineer Intern
General Dynamics Mission Systems, Inc Pittsburgh, PA
Basic Qualifications Candidates should demonstrate a thorough understanding of engineering technology.  Engineering Interns must be enrolled in an accredited degree program in Computer Engineering, Systems Engineering, Software Engineering, Electrical Engineering, Mechanical Engineering or other related scientific or technical discipline with a preference for a standing of a sophomore or higher.     Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position REPRESENTATIVE DUTIES AND TASKS: Apply your classroom-learned skills to a program supporting the defense of our country. GDMS has an immediate opening for an Engineering Intern to join our team. The position provides an opportunity to work on projects that support some of our nation’s fundamental defense services. GDMS employees work closely with esteemed customers to develop solutions that allow them to...
General Dynamics Mission Systems, Inc
Apr 20, 2026
Test Engineer Intern
General Dynamics Mission Systems, Inc Pittsburgh, PA
Basic Qualifications Candidates should demonstrate a thorough understanding of engineering technology.  Engineering Interns must be enrolled in an accredited degree program in Computer Engineering, Systems Engineering, Software Engineering, Electrical Engineering, Mechanical Engineering or other related scientific or technical discipline with a preference for a standing of a sophomore or higher.     Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position As a Test Engineering Intern for Space, Cyber and Intelligence Systems (SC&I), you’ll be a member of a cross functional team responsible for building software and platforms that support our customer’s most important missions in the Space and Intelligence domains.   REPRESENTATIVE DUTIES AND TASKS: Apply your classroom-learned skills to a program supporting the defense of our country. GDMS has an...
Lockheed Martin
Apr 16, 2026
Cyber Systems Security Engineer Staff
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
Apr 16, 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: Support the TTWCS modernization effort with architecting new solutions. 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 robust, secure system...
Lockheed Martin
Apr 16, 2026
Staff Software 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. • Generating and simulating operational level plans to explore the art of the possible,...
Lockheed Martin
Apr 15, 2026
Dev Sec Ops 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. As a Dev Sec Ops Engineer you will: • Collaborate with Infrastructure Technical...
Lockheed Martin
Apr 15, 2026
DevSecOps Engineer, Senior - (Active TS/SCI)
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. Are you a Senior DevSecOps Engineer for something different? In this role you will: +...
Lockheed Martin
Apr 15, 2026
Dev Sec Ops 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. As a Dev Sec Ops Engineer you will: • Collaborate with Infrastructure Technical...
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