Senior System Administrator – Onsite, US Secret

A leading defense contractor is seeking a Senior System Administrator in Tucson, AZ. This role requires providing IT systems administration in a mixed environment of Microsoft Windows and Linux, alongside ensuring compliance with security requirements. Candidates must have a bachelor’s degree and a minimum of 2 years of relevant experience, as well as a current secret security clearance. The position is full-time and onsite, with responsibilities including troubleshooting complex problems and collaborating across teams.
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