Software Engineer Sr Stf - Level 5; Secret

Standard Job 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.
*** This position is contingent upon program award with an expected 4th Quarter 2026 start date
*** Lockheed Martin is designing, developing, and delivering a next-gen wideband MILSATCOM system comprised of integrated space and ground segments that will provide enhanced communications capacity, flexibility and resiliency.

The selected candidate will support the Ground segment of the program as a Sr Staff Software Engineer for the software lifecycle including requirements analysis, design, code & unit test, integration, and support to formal test/delivery. The candidate will work in a highly collaborative environment with frequent and direct interaction with various engineering disciplines and customers. Prior experience as a Software engineer with extensive domain knowledge of ground systems, networks, and integration & test of enterprise software products is required.

The information below reflects the standard job description for this position:
Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathematical solutions to business/mission problems or questions in computer language for solutions by means of data processing equipment. Applies the appropriate standards, processes, procedures, and tools throughout the development life cycle.

Applies knowledge of computer hardware and software, subject matter to be programmed in business/mission applications, information processing techniques used, and information gathered from system users to develop software. Corrects program errors, prepares operating instructions, compiles documentation of program development, and analyzes system capabilities to resolve questions of program intent, output requirements, input data acquisition, programming techniques, and controls. Ensures software standards are met.

Bachelors degree in Engineering/Technical discipline or closely related field, or equivalent combination of education and related experience Software development experience and proficiency in C++, Linux, and Python Excellent communication skills Ability to work in a fast-paced environment Prior experience with satellite ground systems design, development, integration, or test Experience with enterprise Ground Product Line (GPL) products Horizon, Compass, or Hades Experience working in an Agile development or I&T environment, including tools such as Jira and Confluence A active Secret clearance is required prior to start.

(Must be a US citizen)

Experience supporting technical performance objectives, deliverables and customer-facing reviews (e.g., SRR, PDR, CDR) Experience in requirements definition to derive, decompose and verify requirements Familiar with Interface Control Document (ICD) definitions Strong knowledge of modern technology frameworks, IP networking, cloud platforms (AWS, Azure, GCP), microservices, APIs, Dev Sec Ops , and data architecture Experience in application containerization (e.g., Docker, Kubernetes, Helm, etc.)

in a cloud environment (AWS/Azure/Openstack/Openshift) Support occasional business travel (up to 25%) Proficient in AI prompting as it applies to this position and practice

Full-Time Salary Range: $166900.00 - $309900.00 At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support our well-being, and help you grow-both professionally and personally

The salary range for this position is as listed on the requisition. Please…