Software Engineer Sr, Level 3

Job Code/Title

E1073:
Software Engineer, Senior

• Software development experience with object‑oriented programming languages such as Java and JavaScript (Node.js)
• Software development experience with .NET or C#
• US Citizenship
  
  Required:
  
  No clearance required to start but must be able to obtain and maintain a Secret security clearance

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 the program award expected in early 2026.

• Generating and simulating operational level plans to explore the art of the possible, how we could defend the ultimate high ground in a future space war
• Dynamically optimizing both terrestrial and space‑based sensors to provide comprehensive space domain awareness
• Strategically optimizing the placement and maneuvering of constellations of satellites to satisfy multiple, evolving priorities

Our team leverages industry standard open‑source software solutions such as Git Lab, Kubernetes, Docker, and Rancher. Our automation‑first and “everything as code” mindset allows our software engineers to focus their time and efforts on what is most important—building cutting‑edge functionality for our end users.

As an engineer on an Agile Scrum Team, you will have the opportunity to rapidly develop and deploy solutions for a complex space system following core engineering principles, ultimately enabling the delivery of fully functioning mission capability to end users securely and continuously.

• Experience working on large‑scale software projects with multiple teams and stakeholders
• Experience with software version control tools, such as git
• Experience developing software with CI/CD build tools (Git Lab, Jenkins)
• Familiarity with software test best practices, including unit test, integration test, and end‑to‑end test
• Ability to work effectively in a fast‑paced and rapidly changing environment
• Strong time management skills that enable on‑time project delivery
• Familiarity with the Space Domain

Colorado Springs, CO and King of Prussia, PA

TS/SCI required. US Citizenship required. No clearance required to start; must be able to obtain and maintain a Secret clearance.

Full‑time, Direct, Miscellaneous Engineering, Experienced Professional

First Shift

9x80 (every other Friday off)

Employee will work on‑site full‑time

Lockheed Martin is an equal opportunity employer. Qualified candidates will be considered without regard to legally protected characteristics.

The application window will close in 90 days; applicants are encouraged to apply within 5–30 days of the requisition posting date in order to receive optimal consideration.

Base salary range: $93,200 – $164,450 (non‑metro) or $107,300 – $185,840 (metro). For other states, salary range will reflect work location.

Medical, Dental, Vision, Life Insurance, Short‑Term Disability, Long‑Term Disability, 401(k) match, Flexible Spending Accounts, EAP, Education Assistance, Parental Leave, Paid time off, and Holidays. This position is incentive plan eligible.