Mission-Critical Software Engineer; Mid-Level, TS/SCI
Listed on 2026-10-18
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Software Development
Software Engineer
Location: St. Louis
Leidos is seeking a Mid-Level Software Engineer for the Chinook Program supporting an Intelligence Community customer and national security objectives. You’ll own features from design through deployment, design, develop, test, and maintain software capabilities, while contributing to code quality, automation, and Dev Sec Ops .
The role requires building RESTful APIs, databases, CI/CD, cloud work, and guidance to junior engineers, with active TS/SCI and polygraph in a collaborative team.
As a Mission-Critical Software Engineer (Mid-Level, TS/SCI), you will play an important part at Leidos in St. Louis, MO, United States.
Full responsibilities and requirements are described in the listing above.
Learn more about the Mission-Critical Software Engineer (Mid-Level, TS/SCI) role in the description above.
We appreciate your interest in this position.
Join Leidos and contribute to our ongoing work.
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