Level 3 Software Engineer

Level 3 Software Engineer | Lockheed Martin

Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering.

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. And we're reimagining how space can connect us, ensuring security and prosperity. 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.

The Work Ground Software team is seeking a Level 3 Software Engineer to support the Resilient Missile Warning and Missile Tracking (RMWT) Epoch 2 V2, from Boulder, CO on the ground product line, developing solutions for OPIR sensor‑data‑stream processing that enables missile‑warning capabilities for the Medium Earth Orbit (MEO) constellation. This position is contingent upon the program award expected in November, 2026. In this role you will:

• Design, develop, maintain, and test the Mission Processing codebase,
• Adapt and extend existing frameworks for new sensor interfaces,
• Create and document robust APIs, and build mission‑processing applications that meet stringent performance, latency, and reliability requirements.
• Write and execute unit, integration, and system‑level tests, troubleshoot issues across the software stack,
• Collaborate closely with systems, hardware, algorithm, and mission‑operations teams to deliver high‑quality features on schedule.

This is an EARLY-MID CAREER (level 3) ROLE where candidates typically require 3+ years of professional experience and a BS degree. If you think this describes you and you are looking for an opportunity to grow and challenge yourself then we would love for you to apply!

Opportunity for Impact: Join a team that is at the forefront of innovation in the aerospace and defense industry and make a significant impact on the success of our organization. Professional Development: Take advantage of unparalleled opportunities for growth and advancement within Lockheed Martin, with access to world-class training and development programs. Collaborative Culture: Work alongside some of the brightest minds in the industry who share your passion for excellence and who are committed to supporting each other's success. Competitive Benefits: Lockheed Martin employees play an active role in strengthening the quality of life where we live and work by volunteering more than 850,000 hours annually. Here are some of the benefits you can enjoy:

• Medical
• Dental
• 401k
• Paid time off
• Work/life balance
• Career development
• Mentorship opportunities
• Rewards & recognition

We care about our employees and offer a generous benefits package : 401K, PTO, and work/life balance and more.

Desired skills:

• Hands-on experience with containerization tools (e.g., Docker) and an understanding of how applications are deployed and orchestrated (e.g., Kubernetes).
• Excellence in written and verbal communication, specifically in producing high-quality technical documentation and providing constructive, actionable feedback during peer code reviews.

By applying to this job, you are expressing interest in this position and could be considered for other career opportunities where similar skills and requirements have been identified as a match. Should this match be identified you may be contacted for this and future openings.

This position requires a government security clearance, you must be a US Citizen for consideration.