Senior System Administrator - TS/SCI with Polygraph
Location
Reston, VA
Job Type
Full-time
Category
other-general
Posted
June 06, 2026
**Req ID:** RQ219183
**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:**
Computer Servers,Linux,Local Area Network (LAN),Wide Area Network (WAN)
**Certifications:**
CompTIA - Security+ - CompTIA - CompTIA
**Experience:**
7 + 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. System** **s** **Administrator are as follows:**
+ Plans, designs, and implements infrastructure changes...
**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:**
Computer Servers,Linux,Local Area Network (LAN),Wide Area Network (WAN)
**Certifications:**
CompTIA - Security+ - CompTIA - CompTIA
**Experience:**
7 + 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. System** **s** **Administrator are as follows:**
+ Plans, designs, and implements infrastructure changes...