Windows System Administrator

Leidos

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Quick summary

Work type
On-site
Location
Suitland, MD
Salary
$92,300–$166,850 / yr
Employment
Full-time
Posted
11 days ago
Freshness
Confirmed live today

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $125k
This role $130k
$83k $176k
below market most similar roles pay here above market

This role pays more than 62% of similar roles. Most pay $104,832–$145,175 — the blue band above. At the midpoint, this role pays about $130k versus about $125k for comparable roles.

Based on 240 similar postings.

Employer

About Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations.

Leidos currently has 426 open roles on FindRole.

Listed pay typically runs $92,300–$166,850 across 344 roles with salary data.

Most-posted roles

View all roles at Leidos

At a glance

TL;DR · Windows System Administrator

The Windows System Administrator will support enterprise Windows environments in a mission-critical setting. The role involves building and upgrading Windows servers and workstations while managing Active Directory, domain services, and Group Policy Objects. Key responsibilities include running and analyzing ACAS vulnerability scans, performing system patching, and implementing STIG hardening. The individual will also manage SCCM deployments, imaging, and compliance reporting, while providing basic SQL Server configuration and troubleshooting. Required technical skills include experience with ACAS scanning, SCCM, patch management, and RMF/A&A activities. Candidates must possess an active TS/SCI clearance and DoD 8570/8140 IAT II or III certifications. The work focuses on maintaining secure configurations, vulnerability remediation, and system documentation within a high-security infrastructure to ensure continuous operational readiness.

What you'll do

  • Build and upgrade Windows servers and workstations.
  • Run and analyze ACAS vulnerability scans.
  • Manage Group Policy Objects, Active Directory, and domain services.
  • Support SCCM deployments, imaging, and compliance reporting.
  • Perform system patching and STIG hardening.
  • Provide basic SQL Server configuration and troubleshooting.
  • Maintain system documentation and support RMF/A&A activities.

What we're looking for

  • Active TS/SCI in DISS and required program access.
  • Active DoD 8570/8140 IAT II or III certification (Security+, CASP, CISSP, etc.).
  • Bachelor’s degree with 8+ years of experience or a Master’s degree with 6+ years of experience.
  • Windows system administration experience in enterprise environments.
  • Experience with ACAS scanning and vulnerability remediation.
  • Experience with SCCM deployment and compliance reporting.
  • Experience with patch management and STIG implementation.
  • Experience with GPO management and AD administration.
  • NetApp storage management experience (preferred).
  • VMware experience (preferred).
  • PowerShell scripting (preferred).
  • Familiarity with RMF, STIG Viewer, and eMASS (preferred).

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