ClearanceJobs
  • Candidates
  • Employers
  • Hiring Companies
  • News & Career Advice
  • Login
  • Register now
Experience
City
State
Clearance
Posted Within
Employer Name
Country
Job Category
Job Type
Polygraph
Remote/Hybrid

Windows Administrator Jobs

windows administrator

Viewing 1 - 20 of 3,162

Windows Administrator Jobs requiring security clearance

Show:
Sort by:

Windows Administrator

Maximus Inc
Colorado Springs, CO(On-Site/Office)
Posted over 6 months ago
Secret
Not Specified

Description & Requirements Maximus is seeking a Senior Windows Administrator to join our team. As a Senior Windows Administrator, you will be responsible for overseeing the design, imp...

user avatar

Windows Administrator

MANTECH
Hanover, MD(On-Site/Office)
Posted 2 months ago
TS/SCI
Not Specified

MANTECH seeks a motivated, career and customer-oriented WindowsAdministrator to join our team in Hanover, MD.90% travel local in MD, and occasional travel Denver, CO, San Antonio, TX and Herndon, VA w...

user avatar

Windows Administrator

Open Systems Technologies Corporation
Fort Belvoir, VA(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

Open Systems Technologies Corporation is a leader in the government contracting marketplace, providing Enterprise Security and Cloud Computing solutions to support large organizations. Our capabilitie...

user avatar

Windows Administrator

New
Maximus Inc
Annapolis Junction, MD(On-Site/Office)
Posted 6 days ago
Secret
Not Specified

Description & Requirements Maximus is seeking a Senior Windows Administrator to join our team. As a Senior Windows Administrator, you will be responsible for overseeing the design, imp...

user avatar

Windows System Administrator

Windows Sys Admin - Springfield, VA
Springfield, VA(On-Site/Office)
Posted over 6 months ago
5+ yrs exp
TS/SCI
CI Polygraph

Job Duties: •Systems administration of desktop and server systems connected to local and wide area networks. Desktop system management responsibilities involving account monitoring, security, Operatin...

user avatar

Windows System Administrator

SecureVision
Bluemont, VA(On-Site/Office)
Posted over 6 months ago
5+ yrs exp
TS/SCI
CI Polygraph

Job Duties: •Systems administration of desktop and server systems connected to local and wide area networks. Desktop system management responsibilities involving account monitoring, security, Operatin...

user avatar

Windows System Administrator

SecureVision
Offutt Air Force Base, NE(On-Site/Office)
Posted over 6 months ago
5+ yrs exp
TS/SCI
CI Polygraph

Job Duties: •Systems administration of desktop and server systems connected to local and wide area networks. Desktop system management responsibilities involving account monitoring, security, Operatin...

user avatar

Senior Windows Administrator

Sev1Tech
Radford, VA(On-Site/Office)
Posted over 6 months ago
Secret
Not Specified

Position is contingent upon contract award and funding. Sev1Tech is looking for a Senior Windows Administrator supporting the ALTESS Windows team. This is currently a mixed and growing environment of ...

user avatar

Windows Systems Administrator

Power3 Solutions
Fort Meade, MD(On-Site/Office)
Posted over 6 months ago
TS/SCI
Polygraph

Windows Systems Administrator Ft. Meade Area, MD • Government/Military Clearance Required: TS/SCI with Polygraph Full-Time | Fully Funded | $150K - $225K | 40 Hours/Week Keep the Mission Runni...

user avatar

Windows Systems Administrator

Marathon TS Inc
Colorado Springs, CO(On-Site/Office)
Posted over 6 months ago
Secret
Not Specified

Marathon TS Windows Systems Administrator Peterson SFB-- Colorado Springs, CO Secret Clearance Required Marathon TS is seeking a Windows Systems Administrator to support Space and Ground segments for...

user avatar

System Administrator (Windows)

Nebraska Defense Research Corporation
Bellevue, NE(On-Site/Office)
Posted 5 months ago
5+ yrs exp
Top Secret

Position Description: The Windows System Administrator is responsible for providing technical support and troubleshooting for a range of Windows based systems, ensuring compliance with DoD 8570.01-M ...

N

Linux and Windows Administrator

TEKsystems c/o Allegis Group
Hazelwood, MO(On/Off-Site)
Posted 5 months ago
2+ yrs exp
Secret

Top Skills' Details Linux Admin Windows Admin Systems Admin Scripting Job Description Linux Admin position(Security+ required with secret clearance) Candidate roles and responsibilities: Answers the ...

user avatar

Windows System Administrator

TEKsystems c/o Allegis Group
Dahlgren, VA(On-Site/Office)
Posted 4 months ago
2+ yrs exp
Top Secret

Title: Windows System Administrator Location: Dahlgren, Virginia (ON-SITE) Clearance Required: Top Secret Certification Required: Security+ or IAT Level II Cert Top Skills Required: • System Admin...

user avatar

Senior Windows Administrator

Integral Federal
Radford, VA(On-Site/Office)
Posted 3 months ago
Secret
Not Specified

Overview The Senior Windows Administrator is responsible for the performance and oversight of the mixed and growing environment of Windows 2019 and Windows 2022 requirements for the U.S. Army Product...

user avatar

Senior Windows Administrator

Sev1Tech
Fort Bragg, NC(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

Position is contingent upon contract award and funding. Sev1Tech is looking for a Senior Windows Administrator supporting the ALTESS Windows team. This is currently a mixed and growing environment of ...

user avatar

System Administrator, Windows

Keaki Technologies
Apply today! Be one of the first candidates to apply for maximum exposure.
HI(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Systems Administrator to support our government customer located in Kekaha, Hawai'i. Provides Windows system administration for all...

user avatar

Windows System Administrator

Zachary Piper Solutions, LLC
Linthicum Heights, MD(On-Site/Office)
Posted 2 months ago
TS/SCI
Not Specified

Zachary Piper Solutions is seeking a skilled Windows Systems Administrator to join our team in Linthicum Heights, MD. As a Windows Systems Administrator, you will play a crucial role in the design, de...

user avatar

Windows Systems Administrator

MANTECH
Chantilly, VA(On-Site/Office)
Posted 2 months ago
TS/SCI
Not Specified

MANTECH seeks a skilled and motivated Windows Systems Administrator to join our team of top Information Technology and Analytic professionals in Chantilly, VA.You will play a vital role in maintaining...

user avatar

Windows System Administrator

Maximus Inc
Morrisville, NC(On-Site/Office)
Posted 2 months ago
Public Trust
Not Specified

Description & Requirements Maximus is hiring for a Windows System Administrator to join our team and to provide reliable and resilient technology resources for scientific and research ...

user avatar

Senior Windows Administrator

Open SAN Consulting (OSC)
Apply today! Be one of the first candidates to apply for maximum exposure.
Radford, VA(On-Site/Office)
Posted 1 month ago
Secret
Not Specified

This position is expected to start late Q3- early Q4 of 2026. Qualified candidates are encouraged to review the full job description. Applicants are strongly encouraged to apply even if they do not m...

user avatar
ClearanceJobs
  • About Us
  • Support
  • Browse Jobs
  • Security Clearance FAQs
  • AgileATS
  • FedWork
  • Blog
Download on the App StoreGet it on Google Play
© 2026 ClearanceJobs - All rights reserved. ClearanceJobs is a DHI service .
  • Pay My Bill
  • EULA
  • Privacy Policy
  • Terms of Service
  • My Privacy Rights
  • Contact Us