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Fort Belvoir, Virginia

•

Today

Overview SMS is seeking an experienced and motivated Senior Virtualization (VMWare) Administrator to support the Defense Threat Reduction Agency (DTRA) on the Integrated Information Technology Support Services (I3TS) contract. This contract is a critical initiative to modernize and operate DTRA's enterprise IT systems. The successful candidate will play a key role in enhancing IT efficiency, security, and mission effectiveness by designing, implementing, and maintaining a resilient and secure n

Full-time

Senior Virtualization/Storage Administrator

Fort Belvoir, Virginia

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Today

Leidos is seeking a Senior Systems Administrator to support enterprise backup, storage, and virtualization operations for a high-profile DoD program. This role will lead the design, implementation, and optimization of data protection solutions, including a migration from Commvault to Veeam, within a secure, large-scale environment. Key Responsibilities: Lead administration and optimization of enterprise backup and recovery solutions (Commvault transitioning to Veeam).Architect and implement bac

Full-time

USD 92,300.00 - 166,850.00 per year

Senior Virtualization/Storage Administrator

Fort Belvoir, Virginia

•

Today

Overview SMS is seeking a Senior Systems Administrator to support enterprise backup, storage, and virtualization operations for a high-profile DoD program. This role will lead the design, implementation, and optimization of data protection solutions, including a migration from Commvault to Veeam, within a secure, large-scale environment. As a dynamic systems integrator, SMS offers proven solutions in engineering, operations, cybersecurity, and digital transformation. With expertise in moderniz

Full-time

NCIS Senior VMware Administrator/SAN Storage Administrator | Active TS/SCI clearance

Quantico, Virginia

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Today

Type of Requisition: Pipeline Clearance Level Must Currently Possess: Top Secret Clearance Level Must Be Able to Obtain: Top Secret/SCI Public Trust/Other Required: None Job Family: IT Infrastructure and Operations Job Qualifications: Skills: DISA STIG, Netapp Storage Area Network (SAN) Administration, SAN Administration, VMware Administration Certifications: CompTIA Security+ CE | CompTIA - CompTIA Experience: 5 + years of related experience ship Required: Yes Job Description: Transform

Full-time

USD 111,155.00 - 150,385.00 per year

REMOTE - System Administrator - VMware & Hardware - Visa Independent

Remote

•

Yesterday

Remote - Visa Independent Job Title: System Administrator VMware / Hardware Infrastructure Job Description: We are seeking an experienced System Administrator with strong expertise in VMware virtualization and enterprise hardware infrastructure. The ideal candidate will have hands-on experience supporting and maintaining VMware environments, UCS/Cisco/HPE infrastructure, and Verge I/O platforms in a production environment. Experience: 10-12 years Required Skills: Strong experien

Easy Apply

Third Party, Contract

Depends on Experience

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

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

Technical SME

Washington, District of Columbia

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7d ago

Job Title: Technical SME Location with zip code: Fort Lesley McNair, Washington DC 20319 Duration: FTE Clearance Required: Active Top Secret clearance Certification Required: IAT Level Certification; One or more of the Computing Environment (CE) Certifications Job Description: The Systems Engineer Lead is responsible for the design, administration, optimization, and security of enterprise server infrastructure supporting mission-critical academic, defense, and research operations. This role le

Easy Apply

Full-time

Depends on Experience

Federal Systems Engineer - Tysons, VA

McLean, Virginia

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Today

Job Description Federal Systems Engineer - Tysons, VA The Sr Systems Engineer will provide systems and infrastructure administration for mission-critical enterprise systems supporting a federal customer. The role focuses on the configuration, operation, security, and lifecycle support of systems deployed across multiple environments and enclaves, ensuring high availability, compliance, and effective coordination with government stakeholders and multi-disciplinary technical teams. Key Responsi

Full-time

USD 186,000.00 - 240,000.00 per year

Senior Network Engineer

Springfield, Virginia

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Today

Seeking an experienced Senior Network Engineer specializing in network systems to support mission-critical projects in a secure environment. The ideal candidate will have extensive experience in designing, implementing, and maintaining complex network infrastructures, and must hold an active TS/SCI clearance with Polygraph. Key Responsibilities: Design, deploy, and optimize secure network architectures for enterprise and classified environments.Lead system performance tuning, troubleshooting, a

Full-time

USD 107,900.00 - 195,050.00 per year

Linux Engineer

Bethesda, Maryland

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Today

Resource Management Concepts, Inc. (RMC) is seeking a skilled Linux Engineer to join our team in support of our government clients. The Linux Engineer will be responsible for the administration, maintenance, and enhancement of Linux-based systems to ensure secure, reliable, and efficient operation in compliance with DoD standards. Administer and support Linux servers and workstations, ensuring high availability and performance.Apply patches and security configurations according to DoD Informatio

Full-time

USD 110,000.00 - 130,000.00 per year

IT Systems Administrator - Army (TS/SCI)

Arlington, Virginia

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Today

Location: Arlington, VA Clearance Required: TS/SCI minimum () Employment Type: Full-Time About Praescient Analytics: Praescient Analytics is a leader in delivering advanced analytic, data engineering, and technology integration solutions in support of the Department of Defense (DoD), Intelligence Community, and federal law enforcement. Our mission is to empower analysts and decision-makers through data-driven insights, enabling faster and more effective mission outcomes. Position Overview Pra

Full-time

Senior Microsoft Systems Administrator

Alexandria, Virginia

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14d ago

Location: Alexandria, VA Years Experience: 7+ Years of experience Education: Bachelors Degree Required Clearance: Applicants must be able to obtain and maintain a Public Trust security clearance. United States Citizenship is required as part of the eligibility criteria to be able to obtain this type of security clearance. Certifications: Preferred certifications may include: Microsoft Certified: Azure Administrator CompTIA Network+, or VMware Certified Professional Key Skills: Serve as the se

Easy Apply

Full-time

Depends on Experience

Systems Administrator

Chantilly, Virginia

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Today

Overview We are seeking a skilled Systems Administrator to manage, maintain, and support enterprise IT infrastructure. This role is responsible for ensuring the reliability, security, and performance of servers, networks, and systems while supporting day-to-day operations and long-term IT initiatives. What will you do? Install, configure, and maintain servers, operating systems, and enterprise applicationsMonitor system performance, availability, and security across environmentsManage user acc

Full-time

Network Administrator II

Arlington, Virginia

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Today

Overview Now Hiring at AMERICAN SYSTEMS Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and development. Join us to be part of a dynamic, collaborative environment dedicated to innovation and customer success. Responsibilities An average day: As Network Administrator II, you will be responsible for supporting and maintaining the network infrastructures within domestic and international

Full-time

USD 125,000.00 per year

Systems Administrator III

Chantilly, Virginia

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Today

Job Summary General Atomics Integrated Intelligence Inc. (GA Intelligence) is looking for an experienced Cleared System Administrator with a Top Secret/SCI clearance to provide on-site support at our Chantilly, Virginia location. DUTIES AND RESPONSIBILITIES: Install, maintain and repair a variety of personal computers, peripheral devices, servers and networking equipment. Install and maintain software applications on various Linux and Windows-based operating systems. Provide routine hardware a

Full-time

USD 81,080.00 - 141,650.00 per year

Systems Administrator

Washington, District of Columbia

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Today

Overview The System Administrator will be responsible for the installation, configuration, maintenance, and management of the Secure Internet Protocol Router Network (SIPRNet) systems and infrastructure. This role requires an individual with a strong background in network security, system administration, network component configuration and the specific protocols and security measures associated with SIPRNet. This role is 100% onsite at our corporate office in Washington, DC. We offer commuter

Full-time

Senior Systems Administrator - Linux

Fort Belvoir, Virginia

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Today

Leidos is seeking a Linux Administrator to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work independently on assigned tasks. Candidate is expected t

Full-time

USD 92,300.00 - 166,850.00 per year

Sr. System Administrator

Fort Belvoir, Virginia

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Today

Overview SMS is seeking a Sr. System Administrator at Fort Belvoir, VA to support the DTRA I3TS Infrastructure Services team to maintain and optimize the Linux production environment. The candidate will be responsible for sustaining Linux servers as well as the conceptualization, design, development and implementation of new Linux capabilities. The candidate is expected work well as a part of the DTRA Systems Administration team using ITIL best practices as well as work independently on assigne

Full-time

Virtualization Engineer

Springfield, Virginia

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Today

Job ID: 2612225 Location: Springfield, VA, US Date Posted: 2026-05-05 Category: Cyber Subcategory: Cyber Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: None Clearance Level Must Be Able to Obtain: Top Secret Potential for Remote Work: ORA_HYBRID Description This position is in support of the Department of State (DOS) as a part of the Vanguard 2.2.1 contract. The candidate will be responsible for the development and maintenance of Virtualization solu

Full-time

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