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Systems Administrator Principal

General Dynamics Information Technology

Washington, District of Columbia, United States Full time July 21, 2026
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Vacancy Description

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

MAJOR RESPONSIBILITIES:

  • Manage and maintain Windows and Linux servers in the Azure Government cloud
  • Handle system configuration, patch management, and troubleshooting to ensure high availability and security of all VMs and services
  • Administer user and service accounts for cleared personnel
  • Manage access permissions according to the least privilege principles
  • Integrate systems with Azure Active Directory or on-prem AD for centralized identity management and multi-factor authentication
  • Perform regular system updates and security patches
  • Validate that all system changes meet compliance requirements (applying DISA STIGs or hardening guidelines to each server)
  • Utilize automation t...
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