Mission-Critical Test Engineer; TS/SCI
Listed on 2026-10-17
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Quality Assurance - QA/QC
Test Engineer
Location: St. Louis
Leidos seeks a Mid-Level Test Engineer to join the Chinook program for an IC customer. You will perform manual functional testing, plan test strategies, and validate RESTful services via Bruno, Postman, and Swagger UI.
This role requires TS/SCI clearance eligibility and collaboration with agile teams across multiple sites. You will develop test artifacts, execute tests across dev, integration, and staging, log defects in Jira, and help improve testing processes for mission-critical software used
We would love to welcome a new Mission-Critical Test Engineer (TS/SCI) to our group in St. Louis, MO, United States.
This role is for the Mission-Critical Test Engineer (TS/SCI) role at Leidos.
We are seeking a motivated Mission-Critical Test Engineer (TS/SCI) to join Leidos in St. Louis, MO, United States.
Consider building your career as a Mission-Critical Test Engineer (TS/SCI) at Leidos.
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