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Fort Belvoir, Virginia

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Today

Description We are seeking a System Admin to support large-scale migration and operations on a large, high-profile DOD contract. This program provides enterprise-wide IT support to enable DTRA's Information Management & Technology Directorate (ITD) to consolidate, modernize, and continuously innovate the delivery of IT services and mission capabilities to DTRA's internal and external mission partners operating in CONUS and OCONUS locations. The System Administrator duties will include overall in

Full-time

USD 45.00 - 60.00 per hour

Senior Systems Administrator

Springfield, Virginia

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Today

Job ID: 2610005 Location: Springfield, VA, US Date Posted: 2026-03-09 Category: Engineering and Sciences Subcategory: Systems Engineer Schedule: Full-Time Shift: Day Job Travel: No Minimum Clearance Required: TS.SCI Clearance Level Must Be Able to Obtain: TS/SCI with Poly Potential for Remote Work: ORA_ON_SITE Description SAIC is seeking a Senior Systems Administrator to support our government customer in Springfield, VA. Duties may include: Design, deploy, configure, secure, monitor,

Full-time

RHEL Systems Administrator

Fort Washington, Maryland

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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 119,900.00 - 170,100.00 per year

Senior Systems Administrator

Alexandria, Virginia

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12d ago

HumRRO is a nationally recognized, non-profit applied research and consulting organization, established in 1951 and headquartered in Alexandria, VA with offices in Louisville, KY; Minneapolis, MN; and Monterey, CA. We provide our clients with customized solutions for complex business, HR, educational, and organizational challenges. Our areas of expertise include personnel selection and classification, education research and evaluation, human capital management, measurement and analytics, talent

Full-time

$103,000 - $128,000

Senior Systems Administrator

Springfield, Virginia

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11d ago

MANTECH seeks a motivated, career and customer-orientedSenior Systems Administratorto join our team in Springfield, VA. Responsibilities include but are not limited to: Serves as a Customer Advocate supporting VIP level customer; must present professional image and communicate well. Provides in-person, ?white glove? support to key stakeholders.Responsible for providing support to end-user community on difficult hardware, software and network related problems, questions, and use.Provides resolut

Full-time

Senior Systems Administrator

Remote or Arlington, Virginia

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Today

Senior Systems Administrator Employment Type: Full Time, Senior-level Department: Legal/IT CGS is seeking a Senior Systems Administrator to join our team supporting a wide-ranging technical support initiative for a large Federal agency. CGS brings motivated, highly skilled, and creative people together to solve the government's most dynamic problems with cutting-edge technology. To carry out our mission, we are seeking candidates who are excited to contribute to government innovation, apprec

Full-time

USD 101,920.00 - 131,040.00 per year

IT Systems Administrator

Fairfax, Virginia

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Today

Job Description ECS is seeking an IT Systems Administrator to work remotely . Position Summary ECS DevLabs is seeking a Systems Administrator to manage enterprise IT operations supporting a dynamic DevSecOps environment. This role is responsible for user lifecycle management, endpoint administration, SaaS platforms, and rapid onboarding/offboarding of project teams. You will ensure all users are fully provisioned with secure access, devices, and tooling from day one, while maintaining complianc

Full-time

USD 95,000.00 - 135,000.00 per year

Senior Systems Administrator

Remote or Fairfax, Virginia

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Today

Full-time

USD 101,920.00 - 131,040.00 per year

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

Systems Administrator

Washington, District of Columbia

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Today

Modern Technology Solutions, Inc. (MTSI) is seeking a Senior System Administratorto provide critical support to a high-profile Air Force program operating out of Joint Base Anacostia-Bolling Air Force Base (JBAB). In this role, you will serve as the Program Office's IT professional, responsible for maintaining and monitoring both internal and external networks. This includes designing, implementing, and managing systems, applications, security, and network configurations. The ideal candidate wil

Full-time

SharePoint Systems Administrator SME

Alexandria, Virginia

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Today

Leidos is seeking a senior SharePoint System Administrator to support a large enterprise IT contract for the DOD. The SharePoint System Administrator will support infrastructure services, operations, and maintenance across multiple enclaves of different classifications with remote administration for server farms located in centralized data centers. The SharePoint Admin shall deploy, operate, and maintain SharePoint services, including load balancing, PKI authentication, and claims-based authenti

Full-time

USD 116,350.00 - 210,325.00 per year

Systems Administrator

Washington, District of Columbia

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Today

Job Number: R0237856 Systems Administrator The Opportunity: Are you looking for an opportunity to share your experience in Zero Trust Architectures (ZTA) and virtualization to safeguard our nation? As a systems security and network security engineer you can identify the tools and processes needed to assess vulnerabilities and recommend the best solution and security strategy. We need your experience to lead the development and implementation of security solutions that will protect and scale our

Full-time

USD 77,600.00 - 176,000.00 per year

Systems Administrator

Hybrid in McLean, Virginia

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Today

Job Number: R0234895 Systems Administrator The Opportunity: We are seeking a skilled Systems Administrator to support mission-critical infrastructure for a federal client. In this role, you will manage and maintain Linux servers, including RHEL, CentOS, and Ubuntu, ensuring system integrity, performance, availability, and security across enterprise environments. You will install, configure, and troubleshoot server sof tware and services while proactively monitoring system performance and impleme

Full-time

USD 62,000.00 - 141,000.00 per year

IT Mart Systems Administrator

Arlington, Virginia

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Today

Type of Requisition: Regular Clearance Level Must Currently Possess: Secret Clearance Level Must Be Able to Obtain: Top Secret Public Trust/Other Required: None Job Family: SCA Job Qualifications: Skills: Account Management, Active Directory (AD), Customer Service, IT Troubleshooting, Ticketing Systems Certifications: None Experience: 1 + years of related experience ship Required: No Job Description: Mission: IT Mart Systems Administrator is responsible for providing Account Management

Full-time

USD 31.05 - 42.01 per hour

Hyperconverged Infrastructure (HCI) Systems Administrator

Springfield, Virginia

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5d ago

{"description": "Requisition Number: 27984 Required Travel: 0 - 10% Employment Type: Full Time/Salaried/Exempt Anticipated Salary Range: - $185,000.00 Security Clearance: TS/SCI Level of Experience: Senior This opportunity resides with Warfare Systems (WS) , a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR systems. HII works within our nation's intelligence and cyber operations communities to defend our int

Full-time

USD 185,000.00 per year

Senior Systems Administrator - MS Exchange

Fort Belvoir, Virginia

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Today

Leidos is seeking an experienced Senior System Administrator with team leadership and Microsoft Exchange skills to support the DTRA I3TS Infrastructure Services team to support, maintain and optimize critical mission operations across multiple geographic locations. The ideal candidate will be a technical expert responsible for installation, configuration, security, operation, and maintenance of servers, equipment, and software related to Microsoft Windows server and Exchange. Candidates must de

Full-time

USD 92,300.00 - 166,850.00 per year

Network/Systems Administrator

Washington, District of Columbia

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11d ago

Overview: GovCIO is currently hiring for Network/Systems Administrator 2 to support our client?s contract needs. This position is located in the Washington, DC and will be a hybrid remote position. Responsibilities: Manage mobility tickets in Service Now, oversee day to day O&M activities, work with your team lead on improvement projects and manage outage mitigationManage activities related to maintenance patching and/or upgrades and projectsWork with PMO to forecast growth and project opportun

Full-time

Compensation information provided in the description

Lab Manager /Systems Administrator

Hybrid in Arlington, Virginia

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30+d ago

Our Arlington, VA based client is looking for Lab Manager - . If you are interested in these positions. Please email your resume to Responsibilities: Design, deploy, and test scalable, secure cloud infrastructure using Red Hat technologies Implement and test IaaS/PaaS solutions on platforms such as AWS, Azure, or Google Cloud Platform (Google Cloud Platform) Automate provisioning and configuration using tools such as Ansible, Terraform, or Red Hat Satellite Collaborate with security teams to

Easy Apply

Contract

120,000 - 140,000

Linux Systems Administrator

Washington, District of Columbia

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Today

Job Number: R0234152 Linux Systems Administrator The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the U.S. Federal Government? We're looking for a cross domain specialist to help us design, deploy, and maintain Cross Domain Solutions for an enterprise environment. As a Linux System Administrator on our project, you'll constantly look for ways to make the infrastructure bet

Full-time

USD 77,600.00 - 176,000.00 per year

AV Systems Administrator

Washington, District of Columbia

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Today

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model of the 21st century's most innovative companies to the defense industry, Anduril is changing how military systems are designed, built and sold. Anduril's family of systems is powered by Lattice OS, an AI-powered operating system that turns thousands of data streams into a realtime, 3D command and c

Full-time

USD 33.00 - 43.00 per hour

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