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Bethesda, Maryland

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Today

Leidos Digital Modernization is seeking a skilled SCCM/Windows Systems Administrator to support the Defense Intelligence Agency (DIA) National Digital Exploitation & OSINT Center (NDOC) IT Operations and Maintenance (O&M) program. This is a mission-critical role providing engineering and operational support to Windows server environments across connected and disconnected networks. The Windows Engineer will design, maintain, and secure Windows platforms while ensuring patch deployment and lifecyc

Full-time

USD 73,450.00 - 132,775.00 per year

Windows server admin or Windows Systems administrator

Remote or Hybrid in Washington, District of Columbia

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26d ago

Unisys is an Information Technology and Business Consulting firm providing project-based solutions, software solutions, and professional staffing services. "Those authorized to work in the United States are encouraged to apply. We are unable to sponsor at this time. Job Description: Position: Senior Windows Server Systems Administrator Location: Remote ( Quaterly travel to Washingotn DC) Duration:- 6+ months contract (Very high possibility for FTE or Extension) Job Description: Client has an o

Easy Apply

Full-time

$50 - $60

SCCM/MECM System Administrator

Alexandria, Virginia

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Today

Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer's success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading! The Miss

Full-time

USD 73,450.00 - 132,775.00 per year

Lead Windows Administrator

Washington, District of Columbia

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Today

Koniag IT Systems, LLC, a Koniag Government Services company, is seeking a Lead Windows Administrator to support KITS and our government customer in Washington, DC. This opportunity will require the candidate to work onsite in downtown Washington, DC, five (5) days per week, Monday through Friday. We offer competitive compensation and an extraordinary benefits package including health, dental, and vision insurance, 401K with company matching, flexible spending accounts, paid holidays, three week

Full-time

USD 120,000.00 per year

Windows System Administrator

McLean, Virginia

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Today

Responsibilities: Sustain and improve the organization's Windows infrastructure as part of a collaborative systems team. Your focus will span operations, security, and integration of hardware and software.Research and resolve operating system problems efficiently and accurately in adherence to organizational standardsTroubleshoot operating system issues and collaborate with cross-functional teams including application development and networkingBuild and harden Windows servers, establish and man

Full-time

Systems Administrator, Senior (Linux/Windows)

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS, a 100% employee-owned federal contracting company, is seeking a Senior Systems Administrator with Linux and Windows administration experience 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 Linux & Windows infrastructure across multiple datacenters, partnering with cybersecurity and engineering teams, and providing Tier support fo

Full-time

USD 140,000.00 per year

Senior Windows Administrator

Laurel, Maryland

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Today

Description Do you thrive in a fast-paced, dynamic classified environment? Do you want to be empowered to take ownership of enterprise active directory domain infrastructure and have a direct impact on the reliability, performance, and security of critically important systems? Are you interested in working with a wide range of technologies, building supervising solutions from the ground up, and helping drive operational excellence across complex infrastructure environments? If so, we're look

Full-time

USD 100,000.00 per year

Windows System Administrator (TS/SCI)

Fort Belvoir, Virginia

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Today

Koniag IT Solutions, a Koniag Government Services company, is seeking an experienced Windows Systems Administrator with an active TS/SCI Clearance to support and maintain secure, mission-critical IT environments for our government client. This position is for a Future New Business Opportunity. We offer competitive compensation and an extraordinary benefits package including health, dental, and vision insurance, 401K with company matching, flexible spending accounts, paid holidays, three weeks p

Full-time

Windows System Administrator (Senior-Level)

Adelphi, Maryland

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Today

Company Description Link Solutions, Inc. delivers reliable and effective Information Technology services to government clients in support of critical mission needs. Delivering a broad range of Infrastructure Operations, Application Development, Cybersecurity, Virtualization, Cloud and Mobility services. If you're looking for a technology company that values innovation, with a vision toward the future of the technology landscape, look no further than Link Solutions! Link is quality and complian

Full-time

USD 82,000.00 - 138,000.00 per year

Windows System Administrator

Indian Head, Maryland

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Today

Job Number: R0241372 Windows System Administrator The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact? 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. We are seeking a skilled Windows System Administrator to join our

Full-time

USD 62,000.00 - 141,000.00 per year

Sr Systems Administrator

Reston, Virginia

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Today

Be Challenged and Make a Difference In a world of technology, people make the difference. We believe if we invest in great people, then great things will happen. At AnaVation, we provide unmatched value to our customers and employees through innovative solutions and an engaging culture. Description of Task to be Performed: AnaVation is seeking a Sr Systems Administrator to join our team and support our mission critical customer in Reston, VA. As a Sr Systems Administrator you will: Plan, desig

Full-time

Lead Systems Administrator

Chantilly, Virginia

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Today

Job ID: 2612135 Location: Chantilly, VA, US Date Posted: 2026-05-04 Category: Information Technology Subcategory: Sys Administrator Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI_wPoly Clearance Level Must Be Able to Obtain: None Potential for Remote Work: ORA_ON_SITE Description SAIC is looking for an ambitious Lead Systems Administrator/VMWare SME like you! Candidates will join a fast-paced and growing team of System Administrators in supporting a 2

Full-time

Windows Desktop Administrator (TS/SCI)

Fort Belvoir, Virginia

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Today

Koniag IT Solutions, a Koniag Government Services company, is seeking an experienced Senior Windows Desktop Administrator with an active TS/SCI clearance to provide advanced technical support, troubleshooting, and systems administration across enterprise Windows environments. This position is for a Future New Business Opportunity. We offer competitive compensation and an extraordinary benefits package including health, dental, and vision insurance, 401K with company matching, flexible spending a

Full-time

Systems Administrator 2

Bethesda, Maryland

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Today

Requisition ID: 2501Standard Title: Junior Systems AdministratorRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Pay Range $127,508.29 - $144,509.40 Annually Position Summary Support the OSINT Integration Center under the DOMEX Technology Platform contract as a Systems Administrator 2 focused on Linux and Windows systems administration, performance optimization, and user support. Essentia

Full-time

USD 127,508.29 - 144,509.40 per year

Systems Administrator 4

Bethesda, Maryland

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Today

Requisition ID: 2499Standard Title: Senior Systems AdministratorRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Pay Range $187,181.44 - $212,138.97 Annually Position Summary Support the OSINT Integration Center under the DOMEX Technology Platform contract as a Systems Administrator 4 focused on Linux and Windows systems administration, performance optimization, and user support. Essentia

Full-time

USD 187,181.44 - 212,138.97 per year

Systems Administrator 3

Bethesda, Maryland

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Today

Requisition ID: 2500Standard Title: Systems AdministratorRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes Pay Range $151,903.55 - $172,157.35 Annually Position Summary Support the OSINT Integration Center under the DOMEX Technology Platform contract as a Systems Administrator 3 focused on Linux and Windows systems administration, performance optimization, and user support. Essential Dutie

Full-time

USD 151,903.55 - 172,157.35 per year

Windows Systems Engineer

Herndon, Virginia

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Today

Overview We are seeking an experienced Windows Systems Engineer to support a mission-focused enterprise environment, responsible for designing, implementing, and maintaining Windows-based infrastructure and enterprise cybersecurity platforms, including Trellix security solutions. The ideal candidate will support endpoint security operations, threat detection and response capabilities, and ensure system availability, performance, and compliance across complex enterprise environments. What will

Full-time

Cloud Systems Administrator - USC

Herndon, Virginia

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6d ago

External Title: Hybrid Cloud Systems Administrator Internal Position: Systems Administrator Department: ITS Reports To: Infrastructure Operations Senior Manager Job Summary: General Atomics is seeking to hire a Systems Administrator to join our team. This position will be accountable for administration, configuration, installation, provisioning, monitoring of Linux and Windows systems and applications in a hybrid datacenter environment. Job duties include troubleshooting to ensure availability

Easy Apply

Contract, Third Party

Depends on Experience

Junior Systems Administrator

Washington, District of Columbia

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Today

Overview Work Location: Washington, DC Work Arrangement: Onsite Clearance: Must have an active Secret clearance The Jr. Systems Administrator supports the day-to-day operation, maintenance, and troubleshooting of the organization's IT infrastructure, including servers, user accounts, endpoints, and core systems. This role focuses on providing hands-on technical support, assisting with system administration tasks, monitoring system performance, and escalating complex issues as needed. The Jr.

Full-time

USD 70,000.00 - 75,000.00 per year

Systems Administrator with TS/SCI, FS (Systems Administration, Associate)

Tysons, Virginia

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Today

Clearance Required: Top Secret SCI w Full Scope Poly Education Required: BA/BS or HS/GED and Equivalent Work Experience ship: Required Summary The MIL Corporation is seeking a Systems Administrator with TS/SCI, FS (Systems Administration, Associate) to support a federal government client in McLean, VA. The Systems Administrator shall support the day-to-day operations of computer systems. This support includes installation, configuration, maintenance, failure analysis and recovery, performance

Full-time

USD 125,000.00 - 200,000.00 per year

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