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56 senior principal systems engineer jobs found

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Lockheed Martin United States senior principal systems engineer
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Lockheed Martin
May 12, 2026
Systems Engineer Principal
Lockheed Martin Huntsville, AL
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. OVERVIEW: 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. What does this role look like? As a System Engineer Principal on...
Lockheed Martin
May 07, 2026
Release Train Engineer - Level 6
Lockheed Martin Fort Worth, TX
Description: We are seeking a Principal Release Train Engineer (RTE) to support the F35 Program as a Unit of Action for the various release trains: 41-series, 42-series, 45-series, 46-series, and the 4X-series. As the Principal RTE, you will work hand-in-hand with the development RTEs to lead, coordinate, integrate, build and deliver software releases that support labs, flight test, production, and sustainment. The Principal RTE will provide leadership across the F-35 program, facilitating collaboration and coordination among technical teams, capability owners, system designers, and program management. You will play a key role in ensuring the successful delivery of air system products supporting Lot Releases, leveraging your technical expertise and leadership skills to drive alignment and resolve impediments. This position requires a high-level of executive engagements, executive presentations, and partnership with with the Release Train Program Manager. Key...
Lockheed Martin
Apr 29, 2026
Staff Propulsion Subsystem Engineer
Lockheed Martin Englewood, CO
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. Fleet Ballistic Missiles (FBM) is one of Lockheed Martin’s best-in-class Lines of...
Lockheed Martin
Apr 15, 2026
Electro-Optical Engineer
Lockheed Martin Fort Worth, TX
Description: You will be the Electro-Optical Engineer for the Electro Optical Infrared (EOIR) Team which is responsible for... What You Will Be Doing As the Electro-Optical Engineer you will be responsible for leading the integration of EOIR solutions within advanced aircraft programs. Your responsibilities will include: Define, review, and document engineering requirements for EOIR systems. Coordinate with principal engineers, stakeholders, and customers to align specifications. Plan, develop, integrate, and validate optical, infrared, and laser systems on fighter aircraft. Prepare and deliver technical briefings to customers and senior leadership. Support travel to national and international program sites for testing and meetings. What’s In It For You We are committed to supporting your work‑life balance and overall well‑being, offering flexible scheduling options. Learn more about Lockheed Martin’s comprehensive benefits package here....
Lockheed Martin
Apr 15, 2026
Project Engineer Staff
Lockheed Martin Littleton, CO
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. Join us in shaping a new era in space and find a career that's built for you. We are at the forefront of hypersonic missile development, and we...
Lockheed Martin
Apr 14, 2026
Electronics Engineer III, Automated Test Equipment
Lockheed Martin Cape Canaveral, FL
Description: The Fleet Ballistic Missile (FBM) program is seeking an Lead Electronics Engineer to develop Automated Test Equipment. Location: This position does not support teleworking; the preferred candidate will be located near our Lockheed Martin Space facility at one of the Coolest places to work: Cape Canaveral FL and be expected to work a flexible 9x80 schedule in the office full-time. 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. What does this role look like? You will support FBM LE refresh and design update projects for Electrical Ground Support Equipment (EGSE). Use your strong electrical engineering skills to work with all project partners and define the future for FBM! Key activities you...
Lockheed Martin
Apr 10, 2026
Systems Integration/Test Engineer IV
Lockheed Martin Courtland, AL
Description: Role Overview As a Test Engineer within Lockheed Martin Space, you will play a key role in ensuring complex aerospace systems are properly assembled, integrated, and tested before delivery. You will support the full lifecycle of hardware integration and testing—helping verify system performance, resolve issues, and ensure mission readiness. This role offers hands-on technical work, collaboration across disciplines, and the opportunity to grow into a Certified Test Conductor supporting high-visibility aerospace programs. Key Duties / Responsibilities • Test Lead for Mission Support Vehicle on NGI • Execute assembly, integration, and test activities to ensure systems operate as designed • Develop, update, and maintain test procedures that support vehicle integration and delivery • Plan and coordinate daily test readiness and execution across multiple internal and external teams • Support and perform system and subsystem testing, including regression testing after...
Lockheed Martin
Mar 21, 2026
Principle Chief Engineer
Lockheed Martin Louisville, CO
Description: 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! Lockheed Martin is looking for a dynamic Chief Engineer to lead cutting edge development programs. Your role at LM Space is critical for the successful development of the most advanced technology and complex systems in the world. You will be the chief technical authority for the IGNITE ACES portfolio that works closely with Program Management and technical SMEs to develop solutions, drive affordability, and lead...
Lockheed Martin
Mar 20, 2026
Engineering Project Manager Principal - Level 6
Lockheed Martin Marietta, GA
Description: We are Lockheed Martin We are seeking a highly experienced Principal Project Engineer to lead and manage C130 new development and modernization efforts. You will function as part of the AMMM Project Engineering team responsible for delivering complex system development products and solutions. What You Will Be Doing As a Principal Project Engineer Manager your responsibilities will include: • Be the technical leader solving new development opportunities or modernized solutions of an integrated and complex system/technical development from concept, through design, implementation, test, manufacturing/deployment and sustainment. • Ensure alignment with Engineering and Technology strategy, business development, program architect, technical feasibility. • Drive planning, technical performance measures, trade studies, risk evaluations, across all Engineering Teams to meet contract cost, schedule, and technical requirements. Lead and manage engineering teams to...
Lockheed Martin
May 12, 2026
Passive Electro-Optical Sr Engineer -Orlando
Lockheed Martin Orlando, FL
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. At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges. Advanced Programs is seeking an Electro-Optical (EO) Engineer who is passionate about EO and can apply technical skills to develop optimized solutions for complex challenges. What You Will Be Doing Your skill set should include physics-based modeling, FLIR characterizations, image processing and/or algorithm development. The EO Engineer must understand the sensitivities associated with the various parts of the imaging chain to quickly and effectively perform system design trades. Must be willing to increase technical depth and breadth in EO as a path...
Lockheed Martin
May 12, 2026
RF Systems Analysis Engineer, Sr - Orlando, FL
Lockheed Martin Orlando, FL
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. At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges. We are seeking an RF Systems Analysis Engineer for Lockheed Martin, supporting RF simulation analysis, antenna test data analysis, and captive flight test performance data analysis. Our team is responsible for ensuring the performance of passive RF sensor systems, and you will play a key role in analyzing and evaluating sensor performance. What You Will Be Doing As the RF Systems Analysis Engineer, you will be responsible for: • Conducting RF requirements analyses and executing trade studies to optimize system performance • Analyzing test data, including signal...
Lockheed Martin
May 12, 2026
Windows & Linux Systems Administrator Staff
Lockheed Martin Fort Meade, MD
Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. 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 the threats at bay. THE WORK: The GG System Administrator is a senior level role that blends enterprise system administration (Linux & Windows) with full cycle network engineering, including design, deployment, and...
Lockheed Martin
May 12, 2026
Guidance, Nav & Control Engineer, Sr - Orlando, FL
Lockheed Martin Orlando, FL
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. 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...
Lockheed Martin
May 08, 2026
GNC Modeling & Simulation Sr Engineer – Grand Prairie TX
Lockheed Martin Grand Prairie, TX
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. At Lockheed Martin, we apply our passion for purposeful innovation to keep people safe and solve the world's most complex challenges. We are seeking an experienced Guidance, Navigation, and Control (GNC) Engineer who will specialize in Modeling and Simulation (M&S) of complex technical solutions to join our team in sunny Dallas, TX! What You Will Be Doing This person will join a highly skilled team of systems engineering technologists and algorithm developers supporting various contracts and IRADs within Missiles and Fire Control. Modeling & Simulation Engineer tasks include: • Design and documentation of model and simulation requirements and architecture • Develop, verify, and...
Lockheed Martin
May 08, 2026
Principal Project Specialist (Network Management)
Lockheed Martin Moorestown, NJ
Description: What We’re Doing Here at Lockheed Martin Rotary and Mission Systems (RMS) we take on the most demanding challenges in the world. We seek out innovative ideas and creative solutions to seemingly impossible problems facing our customers in the Sensors, Effectors & Mission Systems (SEMS) organization. We collaborate with the best Radar engineers in the business across the Moorestown, NJ and Syracuse, NY sites to invent solutions where they don’t exist yet. If you’re looking for the challenge of a lifetime on a team of the brightest minds in the world, then Rotary Mission Systems and the Sensor Architectures team is the place for you. If you’re looking for life-long learning and a career where the hard work is the fun part, then you’re in the right place. Lockheed Martin. Your Mission is Ours. The Work Lockheed Martin Rotary and Mission Systems is seeking a Casual Part Time Principal Network Management Specialist. In this role, you will: • Shape system...
Lockheed Martin
May 07, 2026
Senior Software Engineer / Embedded, Grand Prairie, TX
Lockheed Martin Grand Prairie, TX
Description: You will be the Senior Software Engineer Sr for the Lockheed Martin Missiles and Fire Control (MFC) team. Our team is responsible for designing, developing, and manufacturing precision engagement aerospace and defense systems for the U.S. and allied militaries. 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. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range...
Lockheed Martin
May 06, 2026
1LMX DevSecOps, Senior / C++ - Orlando, FL
Lockheed Martin Orlando, FL
Description: Lockheed Martin’s Software Factory, a leader in DevSecOps-driven software engineering serving the aerospace and defense sectors. The Lockheed Martin Software Factory delivers customized solutions to meet the needs of our diverse customers — from commercial to classified — in order to scale across multiple programs. Embedding (Development, Security and Operations) DevSecOps in every step of our software development keeps our clients at the cutting edge of cybersecurity. Secure coding is a fundamental principle behind our DevOps philosophy to make sure the best cyber security practices are considered at every step of development. We are focused on architecting software for frequent delivery. Modular open systems architecture has been key to our systems for many years, and we are using new technologies such as container orchestration with Kubernetes to drive modularity through containerized microservice architecture all the way into the deployed system. Not only does...
Lockheed Martin
May 06, 2026
ADFG NGSRI Senior Staff Software Engineer / Embedded/C++ /Orlando, FL
Lockheed Martin Orlando, FL
Description: This position is responsible for all phases of the software development lifecycle including requirements analysis, design, code and unit test, and hardware/software integration and verification. The individual will work with embedded SME to create architectures for embedded systems. The designs will need to be vetted with the use of Design Assurance Reviews by all relevant stakeholders. The individual will develop embedded software in C++ and embedded operating system in an Agile environment using JIRA, Git and Confluence. The individual will need to apply appropriate standards, processes, procedures and tools throughout the development lifecycle. 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)...
Lockheed Martin
May 06, 2026
MLB Embedded Senior Software Engineer - Orlando, FL
Lockheed Martin Orlando, FL
Description: You will be a Senior Software Engineer on our team at Lockheed Martin. 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. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of products and services for the global civil nuclear power industry and the military’s green power initiatives. What You Will Be Doing As a Senior Software Engineer, your...
Lockheed Martin
May 06, 2026
MLB Embedded Senior Staff Software Engineer - Orlando, FL
Lockheed Martin Orlando, FL
Description: You will be a Senior Staff Software Engineer on our team at Lockheed Martin. 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. MFC is a recognized designer, developer and manufacturer of precision engagement aerospace and defense systems for the U.S. and allied militaries. MFC develops, manufactures and supports advanced products for military customers that include the U.S. Army, Navy, Air Force, Marine Corps, NASA and dozens of foreign allies. MFC also offers a wide range of products and services for the global civil nuclear power industry and the military’s green power initiatives. What You Will Be Doing As a Senior Staff Software Engineer, your...
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