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Windows Systems Administrator It Support Jobs

windows systems administrator it support

Viewing 1 - 20 of 2,855

Windows Systems Administrator It Support Jobs requiring security clearance

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Senior Systems Administration Support Specialist (Windows OS)

SOSi
Wiesbaden(On-Site/Office)
Posted 2 months ago
Secret
Not Specified

Company DescriptionFounded in 1989, SOSi is among the largest private, founder-owned technology and services integrators in the defense and government services industry. We deliver tailored solutions,...

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Systems Administration Support (Windows OS) / Active Secret

Peraton
Wiesbaden(On-Site/Office)
Posted 3 weeks ago
Secret
Not Specified

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

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Senior Systems Administration Support (Windows OS) / Active Secr

Peraton
Wiesbaden(On-Site/Office)
Posted 3 weeks ago
Secret
Not Specified

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

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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 ...

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Linux/Windows Systems Administrator

Ascension Federal Services Inc
Arlington, VA(On-Site/Office)
Posted over 6 months ago
5+ yrs exp
Secret

Linux/Windows Systems Administrator Location: Springfield, VA Clearance: Secret Position Overview: The Linux/Windows Systems Administrator is responsible for the design, implementation, maintenan...

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System Administrator (SA) – Level 3

NineFX, Inc.
Fort Meade, MD(On-Site/Office)
Posted 3 weeks ago
10+ yrs exp
TS/SCI
Full Scope Polygraph

The Opportunity NineFX is seeking a System Administrator Level 3 to support, secure, and optimize enterprise IT systems across AWS, Linux, and Windows environments. This role includes cloud administr...

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SharePoint Administrator

Abacus Technology Corporation
Quantico, VA(On-Site/Office)
Posted over 6 months ago
2+ yrs exp
Top Secret

Job Title: SharePoint Administrator Job Location: Quantico, Virginia Overview: Abacus Technology is seeking a SharePoint Administrator to provide technical support for the US Air Force Office of Spe...

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Systems Administrator

TEKsystems c/o Allegis Group
Vicksburg, MS(On-Site/Office)
Posted over 6 months ago
5+ yrs exp
Secret

Top Skills' Details 1. 3+ years' experience with Windows Systems Administration (Windows Server/Active Directory/VMware) 2. Active CompTIA Security+ CE 3. Active SECRET clearance Description **TH...

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Systems Administrator II (SA2)

ARMADA Ltd.
Philadelphia, PA(On-Site/Office)
Posted 4 months ago
Secret
Not Specified

Type: Full Time Location: Philadelphia, PA Overtime Exempt: Exempt Reports To: ARMADA HQ Travel Required: Yes Security Clearance Required: Active Secret Security Clearance ************CONT...

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Windows/Linux System Administrator

New
Zachary Piper Solutions, LLC
Annapolis, MD(On-Site/Office)
Posted 6 days ago
Secret
Not Specified

*Applicants must posses a Secret Clearance for consideration* Zachary Piper Solutions is currently seeking a Windows/Linux System Administrator to support a mission-critical enterprise communication...

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Help Desk Support (ERP Analyst 1)

FEDITC, LLC
Red River Army Depot, TX(On-Site/Office)
Posted 1 month ago
2+ yrs exp
Secret

FEDITC, LLC is a fast-growing business supporting DoD and other intelligence agencies worldwide. FEDITC develops mission critical national security systems throughout the world directly supporting the...

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Systems Administrator

Abacus Technology Corporation
Quantico, VA(On-Site/Office)
Posted over 6 months ago
2+ yrs exp
TS/SCI

Job Title: Systems Administrator Job Location: Quantico, Virginia Overview: Abacus Technology is seeking a Systems Administrator to provide technical support for the US Air Force Office of Special I...

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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...

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Senior IT Systems Administrator (On-Site)

Strategic Technology Institute Inc (STi)
N Bethesda, MD(On/Off-Site)
Posted 1 month ago
5+ yrs exp
Unspecified

Date posted: March 26, 2026 Pay: $110,000.00 - $130,000.00 per year Job description: Senior IT Systems Administrator (On-Site) Strategic Technology Institute, Inc. (STi) Location: Rockville, MD 208...

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Systems Administrator (Junior)

TEKsystems c/o Allegis Group
Dahlgren, VA(On-Site/Office)
Posted over 6 months ago
5+ yrs exp
Top Secret

Top Skills' Details -IAT Level II Cert and Interim or Active Secret Clearance -Minimum 1- 2syears' experience in system administration of windows-based workstations, exp. with drivers, dell machines/w...

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System Administrator Windows

New
Computer World Services Corp
Apply today! Be one of the first candidates to apply for maximum exposure.
Morrisville, NC(On-Site/Office)
Posted yesterday
Public Trust
Not Specified

Computer World Services Corp (CWS) is seeking a detail-oriented and results-driven System Administrator - Windows who is responsible for the daily configuration, operation, monitoring, and maintenance...

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ServiceNow and Linux Administrator

SAIC
Apply today! Be one of the first candidates to apply for maximum exposure.
Springfield, VA(On-Site/Office)
Posted 1 week ago
Secret
Not Specified

Description This senior-level system engineering position provides IT support in configuring and maintain both Windows and Linux baselines and managing and maintaining Windows 11 endpoints. The well ...

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Windows System Administrator Level 2

CACI
Suitland-silver Hill, MD(On-Site/Office)
Posted 1 month ago
TS/SCI
Not Specified

Job Title: Windows System Administrator Level 2Job Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCIEmployee Type: RegularPercentage of Travel Required: U...

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System Administrator – MECM / Endpoint Operations

Diverse Systems Group, LLC
Fort Belvoir, VA(On-Site/Office)
Posted 2 months ago
10+ yrs exp
Public Trust

The System Administrator will provide hands-on administration and operational support for Microsoft Endpoint Configuration Manager (MECM)–managed environments in a DoD setting. This role is endpoint-f...

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Virtualization Automation Administrator (Secret - TS/SCI)

Zachary Piper Solutions, LLC
Honolulu, HI(On-Site/Office)
Posted over 6 months ago
5+ yrs exp
Secret

Zachary Piper Solutions is seeking an experienced Windows Virtualization & Automation Systems Administrator to support a U.S. Government customer in a Joint Service live and virtual exercise environme...

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