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🥝 M365 Systems Administrator Sr Principal

General Dynamics Information Technology | Herndon, United States | Posted June 15, 2026

Job Description

**Req ID:** RQ222130
**Type of Requisition:** Regular
**Clearance Level Must Be Able to Obtain:** None
**Public Trust/Other Required:** None
**Job Family:** IT Infrastructure and Operations
**Skills:**
Collaboration,Microsoft Administration,Microsoft Teams,System Administration,Telecommunication Systems
**Experience:**
8 + years of related experience

**Job Description:**

SYSTEMS ADMINISTRATOR SR PRINCIPAL

Advance how our customers operate while you advance your career. Join GDIT as a Systems Administrator Sr Principal and build an impactful career in enterprise IT, collaborating with people who are driven and resourceful like you.

MEANINGFUL WORK AND PERSONAL IMPACT
As a Systems Administrator Sr Principal at GDIT, your work will have a meaningful impact on GDIT's mission. You will be central to the design, implementation, and support of Unified Communications & Collaboration (UCC) platform services, including telephony...

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