Senior Windows Systems Administrator - TS/SCI Clearance

PGTEK; McLean (VA); On-site; USD 185,000 - 265,000; Full time

Benefits offered by this job

Comprehensive medical coverage

401(k) matching

Education Assistance Program

Job summary

PGTEK is seeking a Senior System Administrator in McLean, VA to support advanced infrastructure technologies. The role requires hands-on expertise in Windows systems, strong communication skills, and the ability to resolve complex technical issues. Candidates must hold an active TS/SCI clearance.

Key responsibilities include system design, administration of Active Directory, and collaboration with cross-functional IT teams. PGTEK offers a competitive salary range of $185,000 – $265,000, and a comprehensive benefits package.

Qualifications

• 8+ years of experience as a Windows System Administrator or similar role.
• Deep expertise in Windows Server and Desktop operating systems.
• Hands-on experience with Active Directory, Group Policy, DNS, and patch management.

Responsibilities

• Design, implement, and maintain Windows-based systems and networks.
• Administer Active Directory and manage system performance.
• Provide Tier II/III technical support via phone, email, and in-person.

Skills

Windows Server Management

Active Directory

Group Policy

DNS Administration

Problem-Solving Skills

Communication Skills

Education

IAM Level II certification (DoD 8570 IAT compliant)

Microsoft certifications (MCSA, MCSE) or equivalent

Tools

SCCM

PowerShell

Python

Bash

VMware

Hyper-V

Job description

PGTEK is seeking a Senior System Administrator in McLean, VA to support advanced infrastructure technologies. The role requires hands-on expertise in Windows systems, strong communication skills, and the ability to resolve complex technical issues. Candidates must hold an active TS/SCI clearance.

Key responsibilities include system design, administration of Active Directory, and collaboration with cross-functional IT teams. PGTEK offers a competitive salary range of $185,000 – $265,000, and a comprehensive benefits package.