Windows Systems Administrator - Onsite in Arlington, TS/SCI

TDI (Tetrad Digital Integrity); Arlington (VA); On-site; USD 90,000 - 130,000; Full time

Job summary

Tetrad Digital Integrity (TDI) is seeking a Windows Systems Administrator to join the CESO effort in Arlington, VA. This onsite role supports a modern secure web service platform, with 2nd shift hours (12pm-8pm) and an active TS/SCI clearance.

Responsibilities include documenting SOPs, enforcing security standards (DISA STIGS, SCAP), managing VMware environments, AD/GP, and PowerShell scripting. Collaboration with network admins ensures smooth, secure daily operation.

Qualifications

• Bachelor's degree and 4+ years of Windows server experience in 2008 R2/2012 R2 environments.
• Active TS/SCI clearance required for this position.
• DoD 8750 IAT level II certification (e.g., Security+ CE) or higher, with potential for CI Poly in future.
• Experience configuring, troubleshooting, and maintaining VMware environments.
• Experience with Remote Desktop Services and PowerShell scripting (Python a plus).
• Familiarity with security settings and DISA STIGS, SCAP, and GPO applications.
• Experience managing Active Directory, Group Policy, and Windows scheduling tasks.

Responsibilities

• Create, maintain, and document SOPs for enterprise Windows systems.
• Develop, implement, and monitor policies for computing resources allocation.
• Analyze hardware/software options from vendors and make cost-effective recommendations.
• Review work of junior staff and coordinate with network admins for system operations.
• Maintain a multi-user Windows environment with steady system performance.

Skills

Windows Server operations

VMware

Remote Desktop Services

PowerShell scripting

Python

Group Policy Management (GPO)

Active Directory

Security best practices (DISA STIGS)

SCAP

Security clearance coordination

Education

Bachelor's degree

DoD 8750 certification (IAT level II)

Security+ CE

Tools

VMware

Remote Desktop Services

PowerShell

Python

GPO

Active Directory

Windows Task Scheduler

SCAP

DISA STIGS

Job description

Tetrad Digital Integrity (TDI) is seeking a Windows Systems Administrator to join the CESO effort in Arlington, VA. This onsite role supports a modern secure web service platform, with 2nd shift hours (12pm-8pm) and an active TS/SCI clearance.

Responsibilities include documenting SOPs, enforcing security standards (DISA STIGS, SCAP), managing VMware environments, AD/GP, and PowerShell scripting. Collaboration with network admins ensures smooth, secure daily operation.