Level 4 Software Engineer

Job Description

Lockheed Martin's Ground Software team is seeking a Level4 Software Engineer with a secret clearance to support the SDA portfolio, from Boulder, CO or Valley Forge, PA, on the ground product line, developing solutions for OPIR sensor‑data‑stream processing that enables missile‑warning capabilities.

This position is contingent upon the program award expected in June, 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. You will write and execute unit, integration, and system‑level tests, troubleshoot issues across the software stack, and collaborate closely with systems, hardware, algorithm, and mission‑operations teams to deliver high‑quality features on schedule.

You are a critical thinker, self‑motivated, detail‑oriented, and passionate about your trade, with at least five years of professional software development experience and proven ability to work in high‑performing, multi‑disciplinary teams while maintaining a focus on system quality and timely delivery.

• 5+ years of experience coding software with proficiency in Java, C#, or C++.
• Professional experience working in an Agile/Scrum environment.
• Final secret security clearance required for consideration.

• 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.

• Medical, Dental, Vision, Life Insurance, Short‑Term Disability, Long‑Term Disability.
• 401(k) match, Flexible Spending Accounts, Employee Assistance Program (EAP), Education Assistance, Parental Leave.
• Paid time off, Sick leave, Holidays, and a work/life balance culture.

The annual base salary range for this position in California, Massachusetts, and New York (excluding most major metropolitan areas), Colorado, Hawaii, Illinois, Maryland, Minnesota, New Jersey, Vermont, Washington or Washington DC is $113,900 - $200,905. For states not referenced above, the salary range for this position will reflect the candidate’s final work location.

This position requires a government security clearance; you must be a U.S. Citizen for consideration. Clearance Level: Secret.

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