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From the employer's careers site First seen 25 Oct 2026

Windows Systems Administrator

GDIT Quantico, VA Hybrid senior full-time

Salary

$93,662 - $108,100 per year

Apply on GDIT

Description

Transform technology into opportunity as a Windows Systems Administrator at GDIT. Shape what’s next for mission-critical government projects while shaping what’s next for your engineering career.

The Naval Criminal Investigative Service (NCIS) is an organization of approximately 2,000 personnel of which 700 serve at HQ and the remaining staff serve at offices worldwide. NCIS is the DON component with primary responsibility for criminal investigation, law enforcement (LE), counterterrorism (CT), counterintelligence (CI), and cyber matters.

Responsibilities

  • Administer, manage and maintain Windows servers 2019 and 2022.
  • Responsible for Windows Server patching in an operational environment.
  • Experience with the following: Domain controllers, Active Directory Federation Services (AD FS), Active Directory, DNS servers, DHCP and Group Policy Object.
  • Create, manage, and maintain accounts and groups in Active Directory, LDAP.
  • Experience with PowerShell scripting.
  • Monitors system environments and resources.
  • Analyze, troubleshoot, resolve, and document problems with business applications and hardware on all enclaves.
  • Oversees system recovery mechanisms.
  • Exhibit the capability to resolve issues independently.
  • Coordinate, communicate, escalate required changes, and major issues.
  • Help diagnose and resolve computer-related problems as requested by employees and contractors, either in person or by using remote control software.
  • Respond to telephone calls and email requests for technical support.
  • Accurately documents all work in ServiceNow.

Requirements

  • 5+ years of experience with Windows Systems Administration, general computer system, network administration and user support experience.
  • Hands-on experience with Windows 11, Windows Server 2019, 2022, and 2025 configuration, troubleshooting and performance optimization.
  • Experience in (MDM) support and solutions.
  • Experience with the NGEN IT infrastructure and enterprise class networks.
  • Ability to administer user accounts and device associations in Active Directory.
  • Experience deploying DISA STIGs controls and system compliance.
  • Must have prior experience with installation, operation, configuration, and maintenance of multiple types of business and end user-specific application software in a large government installation.
  • Experience with one or more of the following: Domain controllers, Active Directory, DNS servers, DHCP and Group Policy Object.
  • Active Top Secret clearance (Must be TS/SCI eligible).
  • CompTIA Security+ CE certification.
  • BS Degree or equivalent Computer Science or IT related degree.

Benefits

  • Comprehensive benefits and wellness packages.
  • 401K with company match.
  • Competitive pay and paid time off.
  • Full-flex work week to own your priorities at work and at home.
  • Award-winning culture of innovation and a military-friendly workplace.

Skills

Required

  • Microsoft Windows Server
  • Mobile Device Management (MDM)
  • System Administration
  • Windows System Administration
  • PowerShell scripting
  • Active Directory
  • LDAP
  • DNS servers
  • DHCP
  • Group Policy Object

Nice to have

  • CompTIA Security+ CE
  • Windows 11
  • Windows Server 2019
  • 2022
  • 2025 configuration
  • NGEN IT infrastructure
  • enterprise class networks
  • DISA STIGs controls
Apply on GDIT