GISA Office Manager (5360) (TS/SCI) (Ft. Belvoir, VA )

The Ground Intelligence Support Activity (GISA) is seeking a highly organized **Office Manager** to support daily operations in a fast‑paced, mission‑driven environment. This role oversees administrative workflow, manages calendars and correspondence, and ensures compliance with DoW standards. The Office Manager also coordinates logistics, procurement actions, records management, and visitor access requirements.

**This is a full-time onsite position in Ft. Belvoir, VA.**

**Essential Duties & Responsibilities**

+ Administrative Operations: Manage daily office workflows, including calendar management, answering multi-line communication systems, and routing internal and external inquiries. Draft, format, and review official correspondence, memorandums, and briefings in accordance with Department of War (DoW) standards.
+ Logistics & Procurement: Monitor and maintain office supply inventories. Coordinate procurement requests through the established contracti...