Microsoft Windows Administration jobs in DC

System Integration Engineer 3 - (Linux, Windows, System Administration)

Annapolis, Maryland

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Today

System Integration Engineer 3 - (Linux, Windows, System Administration) Clearance: TS/SCI - Polygraph required Position ID: 11-8863-SIE3 Location: Annapolis Junction, Maryland Description: Perform system administration, maintenance, upgrades, installation, test, integration, and configuration. Install, configure, upgrade, and maintain operating system and software applications on Linux and Windows platforms. Maintain and develop the environment for hardware and software systems builds, stag

Full-time

USD 184,000.00 - 226,000.00 per year

Modern Workplace Engineer

Hybrid in Merrifield, Virginia

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13d ago

Job Title: IT Engineer Location: Merrifield, VA Type: Contract Compensation: Work Model: Hybrid onsite and remote Hours: 40.0 Security Clearance: Responsibilities Support the organization''s transition from traditional Citrix VDI to Microsoft Windows 365 Cloud PCs and Windows IoT-based endpoints. Serve as a senior technical resource responsible for endpoint engineering, automation, platform modernization, and operational efficiency initiatives. Design, build, and maintain Windows 365 Cloud

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Contract

$60

Jr. Systems Administrator

Herndon, Virginia

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Today

Our Partner is looking for someone that has a basic understanding/foundation in system administration with a strong desire to learn/grow and be mentored by the System Architect and Senior System Administrator to join a mission. Responsibilities Provide Domain/Systems Administrator Engineer of the Mission LAN, and oversee the maintenance, optimal function, and patching of the LAN's operating system, and the GOTS, COTS, and custom software products running on it Perform System startup, shutdown, b

Full-time

Windows System Administrator, Mid-Level

Washington, District of Columbia

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Today

Clearance Required: Active Top Secret Position Description: Support Naval Research Laboratory Space Systems Development Division (SSDD). The primary objective of the SSDD is to develop command, control, communications, computers, and intelligence, surveillance, and reconnaissance (C4ISR) hardware and software solutions to space, airborne, and ground applications. We are seeking a mid-level Windows Systems Administrator with 5-10 years of experience supporting Department of Defense (DoD) environm

Full-time

USD 85,000.00 - 125,000.00 per year

Senior Linux Systems Engineer

Washington, District of Columbia

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5d ago

Primary job duties and responsibilities may include, but are not limited to the following: Network Account Management Deliver tasks independently Network/Systems design and assessment Switching, Firewall, VPN/setup maintenance Linux Administration Server and Cloud Migrations Willingness to work on high level/complex issues as well as break fix work when needed Effectively articulating repair/resolution options to potentially non-technical users Work well on a team, engaging in knowledge sharing

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Contract

Depends on Experience

Systems Administrator 4

Bethesda, Maryland

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Today

Requisition ID: 3865Standard Title: Senior Systems AdministratorRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes 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. Essential Duties and Responsibilities Perform Linux an

Full-time

Systems Administrator 3

Bethesda, Maryland

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Today

Requisition ID: 3866Standard Title: Systems AdministratorRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes 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 Duties and Responsibilities Perform Linux and Windo

Full-time

Systems Administrator 2

Bethesda, Maryland

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Today

Requisition ID: 3867Standard Title: Junior Systems AdministratorRequired Security Clearance: Top Secret/SCILocation: Bethesda, MDWork Type: On-SiteShift: FirstReferral Eligibility: EligibleU.S. Citizenship Required? Yes 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. Essential Duties and Responsibilities Perform Linux an

Full-time

Junior Systems Administrator

Washington, District of Columbia

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Today

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purpose to pursue the limitless potential of technology and ingenuity for clients across defense, national security, public safety, civilian, and military health organizations. Join Accenture Federal Services, a technology company within global Accenture. Recognized as a Glassdoor Top 100 Best Place to

Full-time

USD 64,000.00 - 124,200.00 per year

Systems Administrator

Suitland-Silver Hill, Maryland

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Today

Systems Administrator Location: Suitland, MD Clearance: Active TS/SCI Leidos is seeking a Systems Administrator to join our team in Suitland, MD, supporting Scientific and Technical Intelligence (S&TI) analysis at the Office of Naval Intelligence (ONI). In this role, you will provide specialized cybersecurity and IT support for critical intelligence systems used in parametric modeling, engineering analysis, and foreign material exploitation. You will support a highly specialized technical env

Full-time

USD 92,300.00 - 166,850.00 per year

Senior Information Systems Security Engineer (ISSE)

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 an experienced cyber professional to join our team and support our mission critical customer in Reston, VA.As an ISSE, you will design, develop, and integ

Full-time

Virtualization Engineer

Springfield, Virginia

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17d ago

Job Title: Virtualization Engineer Location: Springfield, VA Required Security Clearance: Top Secret Responsibilities Develop and maintain virtualization solutions utilizing VMWare, NetAPP Storage, and Microsoft Windows Active Directory for hosting PKI systems. Design, implement, and support VMware vSphere, vCenters, and Microsoft Active Directory Forests with JIT administration to support multiple PKI systems. Configure and troubleshoot NetApp Storage ONTAP, perform firmware and OS upgrades, a

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Full-time

$175000

Senior Systems Engineer

Washington, District of Columbia

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Today

Job ID: 2615701 Location: Washington, DC, US Date Posted: 2026-08-14 Category: Engineering and Sciences Subcategory: 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 a well-seasoned Senior Systems Engineer with experience in Microsoft Cloud Technologies to support Pension Benefit Guaranty Corporation (PBGC) in Washington,

Full-time

USD 120,001.00 - 160,000.00 per year

Senior Systems Administrator

Washington, District of Columbia

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Today

Full-time

USD 78,600.00 - 160,200.00 per year

Tier 2 System Administrator

Arlington, Virginia

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Today

Job Number: R0246771 Tier 2 System Administrator The Opportunity: Your combination of people skills and system administration knowledge makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the DoD? Your blend of technical skill, problem-solving ability, and mission focus enables you to keep critical systems running and secure. We're looking for a System Administrator with experience in Windows system administration,

Full-time

USD 62,000.00 - 141,000.00 per year

Systems Engineer

Herndon, Virginia

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Today

Job Description We are seeking a versatile Senior Software Developer with expertise in secure software engineering. You will have a bachelor's degree and a minimum of 6 years of experience in software development. This role will combine technical proficiency in development tools and cybersecurity. Required Skills Work in an agile environment, collaborating with cross-functional teams to address a broad range of IT issues while safeguarding customer assets Design, develop, test, and deploy secu

Full-time

Cyber Operations System Administrator - AWS/Kubernetes

Fort Meade, Maryland

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Today

Job Description Cyber Operations System Administrator - AWS / Kubernetes - Ft. Meade Full Visibility is seeking a Cyber Operations System Administrator - AWS / Kubernetesto work onsite in Ft. Meade, Maryland. Candidate must possess an active Top Secret/SCI and must have an active CI Poly. The Cyber Operations System Administrator - AWS / Kubernetes will provide support to mission-critical applications for classified programs at Fort Meade. This position plays a key role in keeping high-stakes,

Full-time

USD 120,000.00 - 200,000.00 per year

Systems Administrator

Washington, District of Columbia

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Today

Company Overview: At ValidaTek, we modernize and optimize IT services to solve some of the most critical challenges facing federal civilian and defense agencies. From customers to partners to top-talent employees, ValidaTek puts people first, empowering them to exceed expectations and transform government organizations. Our success starts and ends with our people, so we built a company where great people can do great things, with the resources and autonomy to make decisions that transform organ

Full-time

M365 Platform Engineer

Merrifield, Virginia

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11d ago

Title: M365 Platform Engineer Location: Merrifield, VA Employment Type: Contract Compensation: Pay Range:$60.00-$67.64 Per Hr Description Support strategic transitions to cloud-based computing environments. Serve as a senior technical resource for endpoint and platform engineering. Focus on automation, platform modernization, and operational efficiency. Work in a hybrid model, requiring onsite presence three days a week. Utilize advanced scripting and automation skills in daily operations. Co

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Contract, Third Party

$60 - $67.64

Senior System Administrator

Annapolis, Maryland

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Today

SITEC is seeking a Senior Systems Administrator to support lifecycle sustainment activities for commercial and custom-developed education, learning, and training applications. This role will join an existing technical team responsible for maintaining secure, reliable, and high-performing IT systems across hybrid on-premises and cloud-based environments. The ideal candidate is a self-motivated Systems Administrator with strong Windows and Linux experience, hands-on patching and vulnerability rem

Full-time

USD 175,000.00 - 215,000.00 per year

Microsoft Windows Administration jobs in Washington, DC, USA