System Administrator, Sr Principal
Location
Fort Belvoir, VA
Job Type
Full-time
Category
other-general
Posted
June 22, 2026
**Req ID:** RQ222677
**Type of Requisition:** Regular
**Clearance Level Must Be Able to Obtain:** Top Secret
**Public Trust/Other Required:** None
**Job Family:** IT Infrastructure and Operations
**Skills:**
Critical Systems,Information Technology (IT) Systems,System Administration,Technical Support
**Experience:**
8 + years of related experience
**US Citizenship Required:**
Yes
**Job Description:**
A **Sr Principal Systems Administrator** is a senior-level IT professional responsible for leading the design, implementation, and ongoing management of the Defense Threat Reduction Agency’s (DTRAs) core systems, infrastructure, and security frameworks. This position requires deep technical expertise, leadership influence, and the ability to drive operational excellence across complex environments.
The Sr. Principal Systems Administrator plays a critical role in managing and optimizing this environment. This senior-level positi...
**Type of Requisition:** Regular
**Clearance Level Must Be Able to Obtain:** Top Secret
**Public Trust/Other Required:** None
**Job Family:** IT Infrastructure and Operations
**Skills:**
Critical Systems,Information Technology (IT) Systems,System Administration,Technical Support
**Experience:**
8 + years of related experience
**US Citizenship Required:**
Yes
**Job Description:**
A **Sr Principal Systems Administrator** is a senior-level IT professional responsible for leading the design, implementation, and ongoing management of the Defense Threat Reduction Agency’s (DTRAs) core systems, infrastructure, and security frameworks. This position requires deep technical expertise, leadership influence, and the ability to drive operational excellence across complex environments.
The Sr. Principal Systems Administrator plays a critical role in managing and optimizing this environment. This senior-level positi...