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Mission-Critical Systems Administrator – DoD/IC, On-Site
Job in
St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listed on 2026-08-03
Listing for:
Koitecc Solutions
Full Time
position Listed on 2026-08-03
Job specializations:
-
IT/Tech
Unix/Linux
Job Description & How to Apply Below
Leidos in Saint Louis is seeking a Senior Systems Administrator to support the Chinook Program for an Intelligence Community customer. The role focuses on maintaining Windows and Linux servers, applying patches, and ensuring secure, reliable operation on mission-critical systems.
You will collaborate with engineers, cybersecurity teams, and stakeholders to deploy, monitor, and optimize enterprise infrastructure, addressing performance and security needs in a fast-paced environment.
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