DoD Windows Systems Administrator — Mid-Level

Assurance Technology Corporation (ATC); Washington (District of Columbia); On-site; USD 100,000 - 150,000; Full time

Job summary

Assurance Technology Corporation (ATC) is seeking a mid-level Windows Systems Administrator with 5–10 years of experience to support DoD environments in the Washington, DC area. The role focuses on Windows Server/End User platforms, DoD security controls, and mission-critical systems in controlled networks.

The ideal candidate will administer Windows Server 2016–2022, manage AD/GP/DNS/DHCP, and handle DISA STIGs, SCAP scans, and RMF activities.

Qualifications

• 5-10 years of Windows Systems Administration experience.
• Experience supporting DoD or Federal IT environments.
• Strong knowledge of Windows Server 2016+ and Windows 11.
• Hands-on experience with DISA STIGs and SCAP tools.
• Familiarity with RMF and NIST 800-53.
• Experience working in controlled or classified environments.

Responsibilities

• Administer Windows Server 2016, 2019, and 2022 environments.
• Support Windows 11 Enterprise endpoints.
• Manage Active Directory, Group Policy, DNS, DHCP, and trusts.
• Implement and remediate DISA STIGs.
• Conduct SCAP scans and vulnerability remediation.
• Support RMF activities and POAM remediation.
• Perform system patching, monitoring, and incident response.
• Support backup, restore, and disaster recovery operations.
• Participate in change management and CCB processes.
• Maintain system documentation and accreditation artifacts.

Education

Security+ CE (DoD 8570 / 8140 compliant)

Microsoft Windows certifications or equivalent experience

RMF or CISSP preferred

Tools

PowerShell scripting

VMware vSphere

Hyper-V

Exchange

MECM (SCCM)

Intune

WSUS

Defender

HBSS

McAfee ePO

Veeam

Commvault

NetBackup

Job description

Assurance Technology Corporation (ATC) is seeking a mid-level Windows Systems Administrator with 5–10 years of experience to support DoD environments in the Washington, DC area. The role focuses on Windows Server/End User platforms, DoD security controls, and mission-critical systems in controlled networks.

The ideal candidate will administer Windows Server 2016–2022, manage AD/GP/DNS/DHCP, and handle DISA STIGs, SCAP scans, and RMF activities.