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# Windows Systems Administrator

- **Company:** One Inc
- **Location:** Herndon, VA, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Configuration Management, Dynamic Host Configuration Protocol, Desktop Virtualization, Domain Name System (DNS), Image Management, IT Management, Virtual Desktops, Windows PowerShell, VMware Virtualization, Backup and Restore, SC Clearance, Information Technology, Free and Open-Source Software, 3-tier Architectures, Server Operating Systems & Platforms
- **Published:** November 3, 2026
- **Apply:** https://www.thejobnetwork.com/job/cd39007d-4e3a-4f25-b0fe-cf113c1ec0d1/windows-systems-administrator

## About the Role

* Minimum active Top-Secret Clearance with SCI eligibility; AND,
 * DoD 8140/8570 Information Assurance Technical Level II (IAT-II) certification; AND,
 * 10 years of relevant IT systems engineering or systems administration experience supporting enterprise Windows environments., * Experience supporting systems within classified DoD enterprise environments.
 * Experience with Virtual Desktop Infrastructure (VDI).
 * PowerShell scripting and automation experience

## Description

We are seeking an experienced Windows Systems Administrator to provide systems administration support for contract-owned and operated systems within a classified enterprise environment. This role supports Tier 2 and Tier 3 troubleshooting, operating system lifecycle maintenance, and change management activities. The ideal candidate is a strong Windows administrator with experience supporting secure, enterprise-level environments.

Requirements:

 * Provide Tier 3 support for in-house developed systems and site-unique enhancements.
 * Support maintenance of current and future versions of supported IT systems.
 * Maintain server operating systems at required versions.
 * Maintain COTS, GOTS, and Open-Source software at required versions.
 * Perform installation, configuration, administration, and troubleshooting of supported systems.
 * Support incident, change, and configuration management processes in accordance with lifecycle support requirements.
 * Administer Active Directory user and group management functions.
 * Support VMware virtual machine administration and Virtual Desktop environments.
 * Provide support for DNS, DHCP, backup and restore operations, SAN storage fundamentals, and desktop imaging tools.
 * Assist with PowerShell scripting and automation efforts as needed., Our expertise spans Enterprise IT, Mission IT and Cyber. With our global footprint, we place a strong emphasis on nurturing our people and culture, which forms the core of our successful strategies in leadership and financial management. We pride ourselves on our extensive experience and effective approach, ensuring that we lead with both innovation and integrity.