Senior System Administrator - TS/SCI w/Polygraph
General Dynamics Information Technology • Reston, VA • Posted June 03, 2026
About the Role
**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...
**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...