12 principal systems engineer jobs found

Description: You will be the Solid Rocket Motor (SRM) Design Principal Engineer for the Missiles & Fire Control Propulsion team at Lockheed Martin. Our team creates innovative propulsion solutions that enable next generation aerospace vehicles, tackling complex technical challenges in propulsion, structural mechanics and thermodynamics. What You Will Be Doing As the SRM Design Principal Engineer you will research, design, analyze and test solid rocket motor components and systems. You will collaborate with structural and thermal analysts, lead cross functional integration efforts and incorporate emerging technologies to deliver high performance, safe propulsion solutions. Your responsibilities will include: • Designing and developing solid rocket motor components and complete motor systems that meet performance, safety and reliability goals. • Interfacing with structural and thermal analysts to verify motor performance, conduct stress, vibration and thermal analyses, and...

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...

Description: Role Overview As a Senior Systems Integration and Test Engineer, you will help bring complex hardware systems to life. You’ll plan and execute integration and testing activities that support the THAAD Ground program—delivering critical capabilities for defense missions. Your work will span development through production, ensuring systems perform reliably when it matters most. Key Duties / Responsibilities ● Provide technical oversight for hardware assembly, integration, and testing ● Lead and support teams executing integration and test activities ● Develop and review technical documents, test plans, and presentations ● Present program status and technical results to leadership and customers ● Partner with cross-functional teams to resolve issues and improve processes ● Support program reviews and ensure alignment with customer requirements Work Environment ● Onsite role based in Huntsville, Alabama, across multiple facilities ● Collaborative, team-oriented...

Description: Role Overview As a Systems Integration & Test Engineer, you will support the Long Range Hypersonic Weapon (LRHW) program by planning and executing the integration and testing of hardware systems. You’ll play a key role in ensuring systems are built, tested, and validated correctly—both on the production floor and at launch sites. Key Duties / Responsibilities ● Provide technical oversight for hardware assembly, integration, and testing ● Plan and support production floor and launch site operations ● Develop and execute test scripts, procedures, and documentation ● Lead and support teams during integration and test activities ● Present program status and technical results to leadership and customers ● Collaborate with cross-functional teams to resolve issues and improve processes ● Support program reviews and ensure alignment with customer requirements ● Analyze test results and contribute to system validation and reporting Work Environment ● Onsite role...

Description: Company Mission & Program Overview At Lockheed Martin Space , we don’t just imagine the future—we build it. Our teams tackle some of the world’s most complex engineering challenges, delivering solutions that help protect lives and strengthen global security. Every day, our people bring passion, curiosity, and technical excellence to missions that truly matter. One of those missions is missile defense. Through constant innovation and deep collaboration, we design and integrate advanced systems that can detect, track, and intercept missile threats across all domains. What was once science fiction—intercepting a missile with a missile—is now a proven reality. The Next Generation Interceptor (NGI) program represents the next leap forward in missile defense capability. This program brings together cutting-edge technology, disciplined engineering, and mission-driven professionals to deliver solutions that could redefine how the world responds to emerging threats....

Description: Protecting what matters most is the mission that matters most. At Lockheed Martin, we are shaping the future of space exploration and defense. As a leader in the industry, we are known for our pioneering spirit, collaborative partnerships, innovative thinking, and commitment to building remarkable products. Our team is dedicated to making a positive impact on the world by leveraging our unique skills and experiences to tackle the most complex engineering challenges. We are passionate about delivering exceptional results and creating a better tomorrow. We are at the forefront of hypersonic missile development, and we want you to be a part of this exciting journey. If you share our passion for innovation and our commitment to making a difference in the world, we welcome you to join our team. Learn more about our Hypersonic Solutions here. The Hypersonics Advanced Programs Organization is looking for a Systems Engineer to join the Razor team on a Research...

Description: Space and strategic defense systems operate in some of the most unforgiving environments imaginable. Success depends on precision — and thermal performance is often the difference between mission success and mission failure. At Lockheed Martin Space, we are redefining resilience and speed through our 21st Century Security® vision. We don’t just build systems — we engineer survivability, performance, and reliability into every component. As a Level 4 Thermal Engineer, you will serve as a technical leader driving the thermal architecture of advanced missile systems from concept through qualification and production. This position supports spacecraft, missile, hypersonic, or other advanced aerospace platforms operating in extreme and highly dynamic environments. If you’re looking for ownership, influence, and the opportunity to solve complex, high-consequence engineering challenges — this role is built for you. -----------------------------------------------------...

Description: As one of Lockheed Martin’s first cruise missiles, JASSM has experienced over 20 years of successful partnership with the U.S. Air Force, providing continued significant long-range, precision engagement capabilities for air-to-ground missions. The combat proven and mission effective weapon system is designed to destroy high-value, well-defended, fixed and relocatable targets from significant standoff range, keeping aircrews well out of danger from hostile air defense systems without compromise to lethality or reach. 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 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...

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 growing are looking for an Automated Test Equipment (ATE) Test Engineer for the AGM-158 Program, supporting Production Test Equipment and Test Software activities in Troy, Alabama. Our team is responsible for 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 supporting test systems, providing technical expertise, and driving improvements to test equipment and software. You will work with a range of...

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 men and women 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 think big, perform with excellence and create incredible products. We provide the resources, encouragement 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 an experienced and dynamic Chief Engineer Principle to join the Theater High Altitude Air Defense (THAAD) program. As the Launcher Chief Engineer for THAAD, you will: • Support the THAAD Chief Engineer with primary delegated responsibility for the THAAD Launcher • Act as the main technical authority...

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 experiencing growth and looking for a motivated Production Test Engineer to join our Troy Test Engineering team. This position is ideal for engineers with 3+ years of relevant experience who are passionate about test and integration. You will support the testing of missiles and missile subsystems, helping to maintain efficient production flows while learning best practices in test development and troubleshooting. In this hands-on role, you will work closely with production technicians, senior test engineers, design engineers, and quality teams to identify and resolve issues, improve test...

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 experiencing growth and are looking for a motivated Early Career Production Test Engineer to join our Troy Test Engineering team. This early-career position is ideal for engineers with 1 - 3 years of relevant experience who are passionate about test and integration. You will support the testing of missiles and missile subsystems, helping to maintain efficient production flows while learning best practices in test development and troubleshooting. In this hands-on role, you will work closely with production technicians, senior test engineers, design engineers, and quality teams to identify and...