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Hybrid in McLean, Virginia

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Today

Job Number: R0238456 Windows System Administrator The Opportunity: As a Senior Windows Systems Administrator, you will support the reliability, security, and optimization of enterprise infrastructure within the Department of Veterans Affairs' environment. You will administer, monitor, and maintain Windows-centric enterprise systems, supporting Linux dependencies, storage platforms, backup solutions, and reporting tools that enable mission-critical applications and data services. In this role,

Full-time

USD 77,600.00 - 176,000.00 per year

Windows System Administrator

Chantilly, Virginia

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Today

Job Number: R0236063 Windows System Administrator The Opportunity : Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in 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 Adm

Full-time

USD 86,800.00 - 198,000.00 per year

Windows System Administrator

Falls Church, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Secret Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: Disaster Recovery (DR), Microsoft Windows, Monitoring Tools, Problem Resolution, System Administration Certifications: None Experience: 3 + years of related experience ship Required: Yes Job Description: We are seeking an experienced Senior Windows System Admini

Full-time

USD 102,000.00 - 138,000.00 per year

Windows System Administrator

Suitland-Silver Hill, Maryland

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Today

Windows Systems Administrator Location: Suitland, MD Clearance Required: Active TS/SCI Leidos is seeking an experienced Windows Systems Administrator to support critical mission operations at the Office of Naval Intelligence in Suitland, MD. This role is more than just IT-it's about enabling operations that shape national security. If you're ready to work with cutting-edge systems and make a real-world difference, we want you on our team. Primary Responsibilities: Administer MS Exchange, Data

Full-time

USD 92,300.00 - 166,850.00 per year

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

Dulles, Virginia

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18d ago

Date Posted: 2026-02-13 Country: United States of America Location: US-VA-DULLES-770 ~ 22270 Pacific Blvd ~ BLDG 70 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 Type: TS/SCI with Polygraph Security Clearance Status: Active and existing security clearance required on day 1 RTX Corporation is an Aerospace and Defense company that prov

Full-time

USD 75,800.00 per year

Windows / Linux System Administrator

Maryland

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Today

Description & Requirements Maximus is seeking a Windows / Linux System Administrator to manage and support internal-use telephony systems for our Homeland Security customer. This role provides technical leadership for the configuration, maintenance, and troubleshooting of enterprise telephony infrastructure, with responsibilities spanning operating systems, networking, security, and application support. This position is on-site and requires a Secret Clearance. Maximus TCS (Technology and Consul

Full-time

USD 90,000.00 per year

Senior Windows System Engineer

Washington, District of Columbia

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Today

Job ID: 2611218 Location: Washington, DC, US Date Posted: 2026-04-08 Category: Information Technology Subcategory: IT Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Public Trust Potential for Remote Work: ORA_HYBRID Description SAIC is seeking an experienced Senior Systems Engineer with strong expertise in Microsoft technologies to support the Pension Benefit Guaranty Corporation (PBGC) in Washing

Full-time

USD 120,001.00 - 160,000.00 per year

Windows Administrator (Secret Clearance)

Fort Belvoir, Virginia

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22d ago

WINDOWS ADMINISTRATOR (SECRET CLEARANCE REQUIRED) Location: Fort Belvoir, VA Work model:Preferred onsite in Fort Belvoir, VA (for mission support), but open to hybrid or fully remote for the right candidate. Employment Type: Direct Hire Compensation: $165-175,000/year OVERVIEW Were hiring a Windows Administrator to support and secure a Windows-based infrastructure that underpins enterprise Identity & Access Management (ICAM) servicesauthentication, authorization, and access. This role focuses o

Easy Apply

Full-time

$175000

Senior Systems Administrator/Engineer - Windows

Rockville, Maryland

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Today

Software Guidance & Assistance, Inc., (SGA), is searching for a Senior Systems Administrator/Engineer - Windows for a CONTRACT assignment with one of our premier Regulatory clients in Rockville, MD or Tysons, VA. The Senior Systems Administrator/Engineer works under minimal supervision to design, implement, and maintain enterprise Windows infrastructure across hybrid cloud environments and on-premises data centers. This role combines traditional systems administration with modern DevOps prac

Contract

USD 85.71 - 87.00 per hour

Windows Systems Administrator

Reston, Virginia

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Today

Position Overview We are seeking a Senior Infrastructure Engineer to support and operate mission-critical, enclave-based environments across on-premises VMware infrastructure and AWS cloud. This role sits at the center of a high-security, high-availability ecosystem, supporting systems where downtime has real operational impact. You will be responsible for owning, stabilizing, and improving a complex hybrid environment consisting of both legacy and modern platforms. This is not a passive support

Full-time

USD 116,350.00 - 210,325.00 per year

Windows Systems Administrator

Lorton, Virginia

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Today

Job Title: Windows Systems Administrator Work Location: Hybrid; onsite 2-5 times a week in Lorton, VA (Applicant must be based within a commutable distance (1-2 hours) within the DMV) Alpha Omega is seeking a qualified Windows Systems Administrator in support of our DHS ICE customer. The Windows Systems Administrator will be responsible for the administration, automation, and security of the organization's Windows server and virtual infrastructure. This role requires advanced expertise in Micr

Full-time

USD 70,000.00 - 130,000.00 per year

Windows Linux Systems Administrator - TS/SCI with Polygraph

Fort Belvoir, Virginia

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Today

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: IT Infrastructure and Operations 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 skille

Full-time

USD 114,750.00 - 155,250.00 per year

Linux/Windows Systems Administrator

Manassas, Virginia

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Today

Job Description WHAT WE'RE DOING At Lockheed Martin Rotary and Mission Systems, we are inspired by innovation and integrity. We believe that by applying the highest standards of business ethics and creative thinking, everything is within our reach - and yours as a Lockheed Martin employee. Lockheed Martin values your skills, training and education. Come and experience your future! THE WORK The Manassas Systems Administrator team is seeking to hire a full time Sr. Linux/Windows Systems Administr

Full-time

USD 81,600.00 - 143,865.00 per year

Systems Administrator (Windows)

Remote or Sterling, Virginia

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Today

Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' most demanding challenges. Our capabilities include cyber space operations, cyber defense and resiliency, vulnerability research, ubiquitous technical surveillance, data intelligence, lifecycle mission enablement, and software modernization. Nightwing brings disruptive technologies, agility, and competitive offerings to customers in th

Full-time

Windows Infrastructure Engineer or System Admin - Remote (Local to TX)

Remote

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2d ago

Duration: 6 Month Contract to Hire Top Skills' Details 1. 5+ years of Omnissa Horizon/Citrix VDI Administration Experience (Citrix Experience is acceptable due to the technology overlap) 2.) 5+ year of Senior-Level Windows Infrastructure Experience | Enterprise Windows environments, Strong familiarly with Windows servers in virtualized environments 3.) PowerShell Scripting & Automation Experience Job Description Memorial Hermann Healthcare System is seeking a Senior-level Virtual Desktop Infras

Easy Apply

Third Party, Contract

$40 - $50

Senior Systems Administrator (Linux/Windows) - Top Secret Clearance w/SCI eligibility required

Arlington, Virginia

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Today

Overview At AMERICAN SYSTEMS, your technical expertise directly supports national security and mission-critical systems. As an employee-owned federal government contractor, we deliver trusted solutions in support of the nation's highest priorities. We are seeking a Senior Systems Administrator to support a Special Access Program, operating in highly secure, complex environments where precision and reliability are essential. This role focuses on owning and optimizing enterprise Windows and Linu

Full-time

USD 108,100.00 per year

Windows Systems Engineer

Herndon, Virginia

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Today

Overview SilverEdge is a premier provider of innovative cyber, software, and intelligence solutions, addressing mission-critical challenges for the Department of Defense (DoD), Intelligence Community (IC), and beyond. We are dedicated to delivering impactful results to meet mission goals through cutting-edge technology and expertise. We are seeking a Windows Systems Engineer to join our dynamic team. This individual will play a pivotal role in developing innovative and effective solutions for o

Full-time

CNE Developer (Windows)

Arlington, Virginia

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Today

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cy

Full-time

USD 60,000.00 per year

Senior Software Engineer, Windows/Desktop Applications - Alexandria, VA, USA

Alexandria, Virginia

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Today

Mission The mission of Speechify is to make sure that reading is never a barrier to learning. Over 50 million people use Speechify's text-to-speech products to turn whatever they're reading - PDFs, books, Google Docs, news articles, websites - into audio, so they can read faster, read more, and remember more. Speechify's text-to-speech reading products include its iOS app, Android App, Mac App, Chrome Extension, and Web App. Google recently named Speechify the Chrome Extension of the Year and

Full-time

USD 140,000.00 - 200,000.00 per year

Senior Software Engineer, Windows/Desktop Applications - College Park, MD, USA

College Park, Maryland

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Today

Full-time

USD 140,000.00 - 200,000.00 per year

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