Windows System Administrator Jobs in Virginia

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Windows System Administrator (Onsite - TS/SCI Clearance Required)

RTX Corporation

•

Arlington, Virginia, USA

Full-time

Date Posted: 2025-07-03 Country: United States of America Location: VA111: 1300 N 17th Street, Arlington 1300 North 17th Street Suite 400, Arlington, VA, 22209 USA Position Role Type: Onsite U.S. Citizen, U.S. Person, or Immigration Status Requirements: Active and transferable U.S. government issued security clearance is required prior to start date.Security Clearance: TS/SCI with Polygraph RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for com
Posted 16 days ago | Updated 3 hours ago

Windows Systems Administrator

Leidos

•

Arlington, Virginia, USA

Full-time

We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring
Posted 6 days ago | Updated 4 hours ago

Windows Systems Administrator

Leidos

•

Arlington, Virginia, USA

Full-time

Description We are currently seeking a Windows Systems Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services,
Posted 6 days ago | Updated 13 hours ago

Windows Linux Systems Administrator - TS/SCI with Polygraph

General Dynamics

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Fort Belvoir, Virginia, USA

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: Top Secret SCI + Polygraph Public Trust/Other Required: None Job Family: Systems Administration Job Qualifications: Skills: Linux, System Administration, Windows Applications Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: General Dynamics Information Technology (GDIT) is looking for a skilled IT Syste
Posted 9 days ago | Updated 4 hours ago

Senior Systems Administrator (Linux/Windows)

GovCIO

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Remote

Full-time

Overview GovCIO is hiring for a Senior Systems Administrator (Linux and Windows) to provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is in Washington, DC and will be a hybrid remote with periodic onsite customer work activities. Must be willing to work nights, have an active Sec
Posted 20 days ago | Updated moments ago

Systems Administrator (Windows / Linux) / Hybrid: Highlands Ranch, CO

Lockheed Martin Corporation

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Remote or Highlands Ranch, Colorado, USA

Full-time

Job Description Lockheed Martin's Enterprise Business & Digital Transformation (EBDT) organization employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers' toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries.
Posted 17 days ago | Updated 4 hours ago

Windows System Vulnerability Management Coordinator/Admin

Navigant Consulting

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Remote

Full-time

Job Family: IT Cyber Security (Digital) Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: Provide operating system level vulnerability management and coordination, including waiver documentation and approvals.Manage all aspects of the Windows 2012, 2016, 2019, and 2022 virtual and physical servers including; upgrades, patching, troubleshooting, resolving, designing, communicating, analyzing system logs, managing network, volume, and storage configurati
Posted 38 days ago | Updated 4 hours ago

Proactive - Windows Administrator

Apex Systems

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Dahlgren, Virginia, USA

Full-time

Job#: 2081500 Job Description: Overview SYSTEMS ADMINISTRATOR (WINDOWS) (RDTE) Apex seeks a Systems Administrator (Windows) to provide customer support and technical assistance to users supporting a Research, Development, Test and Evaluation Program in Dahlgren, VA at the Naval Surface Warfare Center Dahlgren Division (NSWCDD). Responsibilities The Systems Administrator will be responsible for: Answering questions about installation, operation, configuration, customization and usage of assi
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Posted 15 days ago | Updated 4 hours ago

Windows Systems Administrator

Beacon Systems, Inc

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Richmond, Virginia, USA

Contract

About Beacon Systems, Inc Beacon Systems, Inc, delivers Program Management, Science, Engineering, and Technology Solutions to Federal, Commercial State, and Local Agencies. We are a subsidiary of Radiant Digital Services. We have a vast portfolio of clients across the country. Our Technology support to many DoD Agencies, NASA, Voice of America, FDA, and State Agencies such as State of FL, RI, MS, ND, VA, and WV extends our delivery of solutions worldwide. Position : Windows Systems Administrator
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Posted 1 day ago | Updated 9 hours ago

Systems Administrator - Linux/Windows

GovCIO

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Remote

Full-time

Overview Provide on-going support for the administration of the core system applications and perform operational tasks such as monitoring system resources and perform routine maintenance tasks in support of 24x7 life cycle applications to include on-call support. Work location is hybrid with periodic customer site work activities. Must be willing to work nights, have a Security+ certification, and an active Top Secret clearance. Responsibilities Position Description: In this role you will: Pr
Posted 57 days ago | Updated moments ago

System Administrator

BCforward

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Remote

Contract

System Administrator BCforward is currently seeking a highly motivated System Administrator for a remote opportunity! Position Title: System Administrator Location: Remote Anticipated Start Date: ASAP Please note this is the target date and is subject to change. BCforward will send official notice ahead of a confirmed start date. Expected Duration: Initial 6 month-contract Job Type: Contract Pay Range: $46/hr-$50/hr Please note that actual compensation may vary within this range due to fact
Posted 29 days ago | Updated 4 hours ago

Windows / Linux Systems Administrator - REMOTE (ship required)

Oracle Corporation

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Remote

Full-time

Job Description Building off our Cloud momentum, Oracle has formed a new organization - Oracle Health Applications & Infrastructure. This team will focus on product development and product strategy for Oracle Health, while building out a complete platform supporting modernized, automated healthcare. This is a net new line of business, constructed with an entrepreneurial spirit that promotes an energetic and creative environment. We are unencumbered and will need your contribution to make it a w
Posted 60+ days ago | Updated 4 hours ago

Systems Administrator

Booz Allen Hamilton

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Chantilly, Virginia, USA

Full-time

Job Number: R0222813 Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact at Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Administrat
Posted 5 days ago | Updated 4 hours ago

Systems Administrator

Booz Allen Hamilton

•

Arlington, Virginia, USA

Full-time

Job Number: R0222814 Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact at Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Administrat
Posted 5 days ago | Updated 4 hours ago

Systems Administrator

Booz Allen Hamilton

•

Chantilly, Virginia, USA

Full-time

Job Number: R0222811 Systems Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big-picture thinking to make an impact at Booz Allen? You understand your customer's environment and how to develop the right systems for their mission. Your ability to translate real-world needs into technical specifications makes you an integral part of delivering a customer-focused engineering solution. Booz Allen is seeking a skilled Windows System Administrat
Posted 5 days ago | Updated 4 hours ago

Windows Engineer

Johnson Technology Systems Inc (JTSI)

•

Radford, Virginia, USA

Contract

We are hiring for Windows Engineer to support our Federal Project based in Radford, VA Company Name: - JTSi (Johnson Technology Systems, Inc.) Title:- Windows Engineer Location: - Onsite (Radford, VA) Citizenship: US Person Clearance: Active interim Secret Clearance or higher in JPAS Required Certifications: Security+ or equivalent DoD 8570.01-M IA Tech Level II certificationMust have (or obtain within 6 months of hire) Windows administrator related computing environment certification (i.e. MCSA
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Posted 43 days ago | Updated 7 days ago

Sr. Windows Consultant-Remote - long term - ()

USG, Inc.

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US

Third Party, Contract

Role Name: Sr. Windows Consultant Location: US Remote Duration: 6+ Months Job description: Common Skills: PowerShell Scripting Knowledge/Proficiency Security Patching of on-premise Platforms Microsoft Office Suite of tools/features Understanding of Microsoft Licensing Proven background in Administration of targeted technologies Proven Troubleshooting skills Excellent Communication Skills Ability to document technical processes Ability to work with end users to resolve their issue in a timely
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Posted 41 days ago | Updated 2 hours ago

Windows Systems Engineer

SAIC

•

Quantico, Virginia, USA

Full-time

Job ID: 2507459 Location: QUANTICO, VA, US Date Posted: 2025-07-11 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-time Shift: Day Job Travel: Yes, 10 % of the Time Minimum Clearance Required: Top Secret Clearance Level Must Be Able to Obtain: TS/SCI Potential for Remote Work: No Description Introduction: Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT cap
Posted 18 days ago | Updated 1 hour ago

Windows Kernel Developer (C++)

Request Technology, LLC

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Remote

Full-time

NO SPONSORSHIP Principal Kernel Engineer SALARY: $235,000 - $275,000 plus 10% bonus and pre-IPO stock LOCATION: remote You will focus on stopping ransomware. New features, bug fixes, performance enhancements, write high quality multithread. Safe code c++ in both Kernal mode win32 APIs and NT Kernal internals reverse engineering windows mini-filter drivers windows filter platform call out drivers SQL databricks rust c++ We deliver an anti-ransomware solution that breaks new ground as to what an a
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Posted 54 days ago | Updated 11 days ago

Sr. Windows OS Software Engineer

Collinwood Technology Partners

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Remote

Full-time

Sr. Windows OS Software Engineer Can you customize and configure the Windows OS platform to integrate with embedded devices ? Do you have an understanding in device driver development as well as OS image creation and deployment to a wireless device; ? C++ for windows experience ? Have you done low level OS development ? Experience w/ Typescript of GraphQl ? Responsibilities: Will customize and configure the Windows OS Platform to integrate with wireless embedded devices such as cameras, US
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Posted 60+ days ago | Updated 26 days ago