**Description**

**Microsoft Exchange / System Administrator**
**Location: Suitland, MD**
**Clearance Required: Active TS/SCI**

Leidos is seeking an experienced Microsoft Exchange / System Administrator to support critical mission operations at the Office of Naval Intelligence in Suitland, MD. This role is more than just IT—it’s about enabling operations that shape national security. If you're ready to work with cutting-edge systems and make a real-world difference, we want you on our team.

**Primary Responsibilities:**

+ Administer MS Exchange, Data Spillage Compliance and Restoration of Mailboxes.
+ Administer and support Windows-based mission applications and hardware.
+ Configure, maintain, and secure physical and virtual systems to STIG standards.
+ Support system upgrades, backups, and performance tuning.
+ Collaborate across IT teams to ensure seamless operations and mission success.
+ Resolve technical issues using existin...