Senior System Administrator - TS/SCI w/Polygraph

Reston, VA, United States • Posted June 06, 2026

Job Type: Full-time
Location: Reston, VA
Posted: June 06, 2026
Category: other-general
Application Deadline: June 11, 2026

Role Description

**Req ID:** RQ219957
**Type of Requisition:** Regular
**Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph
**Public Trust/Other Required:** None
**Job Family:** IT Infrastructure and Operations
**Skills:**
Backup and Recovery,Computer Servers,Information Technology (IT) Systems,Linux,Wide Area Network (WAN)
**Certifications:**
CompTIA Security+ CE | CompTIA - CompTIA
**Experience:**
9 + years of related experience
**US Citizenship Required:**
Yes

**Job Description:**

**Senior Systems Administrator**

Transform technology into opportunity as a Senior Systems Administrator with GDIT. A career in enterprise IT means connecting and enhancing the systems that matter most. At GDIT you’ll be at the forefront of innovation and play a meaningful part in improving how agencies operate.

**The job duties of the Sr. Systems Administrator are as follows:**

+ Plans, designs, and implements infrastr...

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