Staff Software Engineer - Level 4 (TS/SCI)

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. Responsibilities Collaborate with a high‑performing team of software engineers to develop, enhance, and sustain satellite mission planning capabilities. Design, develop, test, and demonstrate mission planning software solutions for both internal and external customers. Serve as a Satellite Mission Planning Subject Matter Expert (SME), providing technical leadership and guidance on mission planning concepts, algorithms, operational workflows, and software implementations. Lead the design and implementation of complex mission planning features, ensuring technical solutions align with mission requirements and system architecture. Support requirements analysis, architecture development, technical trade studies, and software design reviews. Mentor software engineers and provide guidance on mission planning domain knowledge, software design, and implementation best practices. Participate in Agile development activities including sprint planning, daily scrums, demonstrations, retrospectives, and release planning. Collaborate with systems engineers, operators, architects, and customers to translate mission needs into software capabilities. Basic Qualifications Bachelor's degree in Computer Science, Software Engineering, Aerospace Engineering, Applied Physics, Mathematics, or a related technical discipline, or equivalent experience. Extensive experience in satellite mission planning, mission scheduling, resource allocation, or spacecraft operations. Demonstrated expertise in the design, development, and implementation of mission planning algorithms and software systems. Experience serving as a technical lead or providing technical direction for software development efforts. Experience developing software using C#, Java, or similar object‑oriented programming languages. Experience working within Agile software development teams. Active TS/SCI security clearance with either a favorable polygraph adjudication, or agreement to submit to a polygraph, and ability to maintain the required clearance. U.S. Citizenship required. Desired Skills Knowledge of orbital mechanics, astrodynamics, and spacecraft operations. Experience developing optimization, scheduling, planning, or decision‑support algorithms. Full software development lifecycle experience, including requirements, design, implementation, test, deployment, and sustainment. Experience with GitLab CI/CD, automated testing, deployment pipelines, and DevSecOps practices. Experience supporting customer demonstrations, technical reviews, and operational mission planning activities. Experience mentoring engineers and serving as a technical authority within a software development organization. Security Clearance This position requires a government security clearance. A TS/SCI with Polygraph is required. Applicants must be U.S. Citizens. Equal Opportunity Employer: Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics. Experience Level: Experienced Professional Business Unit: SPACE Relocation Available: Possible Career Area: Software Engineering Type: Full‑Time #J-18808-Ljbffr Lockheed Martin