Systems Administrator SME - TS​/SCI Polygraph

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

As a Systems Administrator SME, the work you’ll do at GDIT will be impactful to the mission of U.S. Government. You will play a crucial role in supporting a new operations center by maintaining operational equipment to monitor various systems.

• Take the lead in the initial installation, configuration and maintenance of servers including physical and virtual environments.
• Manage the Active Directory, and other core IT services for new Operations Center.
• Monitors systems performance and troubleshoots highly complex issues to ensure high availability and reliability.
• Support:
  Performs maintenance such as patch management, updates and backups.
• Plans and executes systems upgrades and hardware/software installations.
• Ensures systems are updated with latest security patches and software updates.
• Implements and maintains security measures to protect systems from unauthorized access and vulnerabilities.
• Collaborate with closely with customer to make sure all deliverables meet their standards.
• Drive innovation by resolving unexpected challenges and lean on our existing team at other locations whom support this customer.

Bring your technology expertise and drive for innovation to GDIT. The Systems Administrator SME must have:

• Education:
  
  Technical Training, Certification(s) or Degree
• Experience:
  
  10+ years of related experience
• Security clearance level: TS/SCI with Polygraph
• US citizenship required
• Role requirements:
  
  The management and operation of critical IT systems, rather than routine clerical tasks. The position requires independent judgment and discretion in planning, implementing, and maintaining complex systems, security measures, and performance standards, as well as collaborating with the customer and leading technical initiatives which are all hallmarks of an administratively exempt role

At GDIT, the mission is our purpose, and our people are at the center of everything we do.

• Growth: AI-powered career tool that identifies career steps and learning opportunities
• Support:
  An internal mobility team focused on helping you achieve your career goals
• Rewards:
  Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
• Community:
  Award-winning culture of innovation and a military-friendly workplace

Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

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2026