Mission-Critical TS/SCI Exchange & Windows Admin

Leidos is seeking an experienced Microsoft Exchange/System Administrator to support mission operations at the Office of Naval Intelligence in Suitland, MD. This role requires administering MS Exchange and Windows-based applications, maintaining security standards, and collaborating across IT teams. Candidates should possess an active TS/SCI clearance, a Bachelor’s degree with 8+ years of experience, or a Master’s degree with 6+ years. Security+ CE or IAT Level II certification is also required, along with strong troubleshooting and communication skills.
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