Windows Systems Administrator - TS/SCI with CI Poly

PGTEK
Full-time McLean, Virginia other-general
Posted:
March 02, 2026
Location:
McLean, Virginia, United States

Job Description

Windows Systems Administrator

Location: McLean, VA (100% Onsite)
Clearance Required: Active TS/SCI with CI Polygraph


Summary

We are seeking an experienced and skilled Windows Systems Administrator to join our IT infrastructure team supporting a mission-critical federal environment. In this role, you will be responsible for the design, implementation, maintenance, and support of Windows-based systems, networks, and applications. This is an excellent opportunity for a detail-oriented professional who is passionate about system reliability, security, and delivering high-quality technical support in a classified environment.



Key Responsibilities

  • Design, implement, maintain, and support Windows-based server and desktop environments

  • Administer and support Active Directory, Group Policy, DNS, and related core services

  • Deploy and manage Windows systems using enterprise deployment tools (e.g., SCCM, MDT)

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Job Overview

Job Type: Full-time
Location: McLean, Virginia, United States
Posted: March 02, 2026
Deadline: April 11, 2026