BAE Systems, plc
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Reston,VA
BAE Systems is a leading global defense, security, and aerospace company. We're seeking a highly skilled Systems Administrator to join our dynamic team, supporting our government customer in driving innovation, efficiency, and security in the rapidly...
TekSynap Corporation
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Reston,VA
We are seeking a Systems Administrator to join our Task Order proposal on the Defense Intelligence Agency's Solutions for the Information Technology Enterprise III (SITE III). The Systems Administrator maintains smooth operation of multi-user...
At&t
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Reston,VA
This position requires office presence of a minimum of 5 days per week and is only located at customer's site. AT&T Global Public Sector is a trusted provider of secure, IP enabled, cloud-based, network solutions and professional services to the...
ManTech
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Chantilly,VA
MANTECH seeks a motivated, customer-oriented Senior Systems Administrator to join our team in Chantilly, VA. This is an onsite position. Responsibilities include but are not limited...
Insight Global
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Vienna,VA
Position Summary The Project Administrator will directly support the Director of Operations, Project Managers, Superintendents, and Executive Leadership by managing project documentation, communications, subcontractor...
GovCIO LLC
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Fairfax,VA
Overview:GovCIO is currently hiring for a Senior Windows Systems Administrator with an active Secret clearance toprovide direct customer support and serve...
Encode
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Herndon,VA
Job Description:The Senior System Administrator will handle system administration tasks, including infrastructure management, information security, software installation, and configuration control. This role involves creating innovative solutions...
CenCore LLC
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Columbia,MD
Description Job Summary: The IT System Administrator - Windows is responsible for managing and maintaining day-to-day IT operations across both physical and virtual environments. This role oversees system availability, configuration, security,...
US Navy
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Poolesville,MD
Job Title : Information Technology Professional (IT/CTN/IS) Category / Component : Enlisted • Both Overview Information Systems Technicians, Cryptologic Technician Networks, and Intelligence Specialists keep the Fleet connected, informed, and...
SixGen
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Sterling,VA
Job Type: System AdministratorLocation: Sterling, VAClearance Requirements: TSYears of Experience: 12+Work site blend: 2-3 days a week in office 2 days a week WFH Working with SIXGENSIXGEN is committed to solving our customers'...
Lockheed Martin
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Leesburg,VA
Job ID: 716494BR Date posted: Feb. 03, 2026 Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of...
Gridiron IT Solutions
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Chantilly,VA
Linux Systems Administrator Location: Chantilly VAClearance: TS/SCIWork Type: Full Time Responsibilities:• Design, develop, and support cloud initiatives to support customer driven needs• Responsible for user account management...
Cinteot
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Herndon,VA
Two System Administrators positions open!! **First position** Systems Administrator - TS//SCI with CI Poly to start Work Location: Littleton, CO / Valley Forge, King of Prussia, PA / Herndon, VA / Springfield, VA Linux Administrator SME for support...
Base One Technologies
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Ashburn,VA
Primary Responsibilities:• The Cloud Administrator will play a key role in managing, maintaining, optimizing and deploying the organization's cloud infrastructure. You will work closely with cross-functional teams to ensure the efficient and...
aqua IT
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Chantilly,VA
Responsibilities:Perform system integration and experience integrating services from different systemsTroubleshoot software issues, investigate root causes, and recommend fixesPerform Authentication (AuthN), Authorization (AuthZ), Digital...
Encode
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Herndon,VA
Position Responsibilities:Oversee the design, implementation, and maintenance of an organization's IT infrastructure, including servers, VMs, networks, and data storage solutions.Lead and mentor the IT systems team, assigning tasks, ensuring...
U.S. Navy
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Herndon,VA
Job Title : Information Technology Professional (IT/CTN/IS) Category / Component : Enlisted • Both Overview Information Systems Technicians, Cryptologic Technician Networks, and Intelligence Specialists keep the Fleet connected, informed, and...
RSCY Consultants, LLC
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Herndon,VA
Cyber Systems AdministratorLocation: Herndon, VirginiaCategory: Information AssuranceSchedule (FT/PT): Full TimeShift: DayClearance: Top Secret/SCI CI poly or eligible for CI polySalary: 140k-170k w/excellent benefits Job...
US Navy
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Purcellville,VA
Job Title : Information Technology Professional (IT/CTN/IS) Category / Component : Enlisted • Both Overview Information Systems Technicians, Cryptologic Technician Networks, and Intelligence Specialists keep the Fleet connected, informed, and...
Moses/Weitzman Health System
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Ashburn,VA
Job Description Summary: Job Description: The Grants Administrator is responsible for providing expert management of the grants portfolio pre and post award. This position will coordinate all aspects...
Ascension Federal Services
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Mc Lean,VA
Systems Administrator Location: McLean, VA, 22101 Clerance: TS/SCI Job Description:The Systems Administrator will be responsible for maintaining and managing the company's computer systems and networks. This includes installing, configuring, and...
ClearanceJobs
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Herndon,VA
Join a high‑impact High Performance Computing (HPC) Research & Development program supporting advanced scientific and mission‑driven workloads. You will be part of the Technical User Support (TUS) team working directly with researchers, mission...
Crimson Phoenix
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Chantilly,VA
What You Will Be Doing: Configuring and maintaining Linux-based servers and supporting the development, testing, and production hosting of custom enterprise business applications on behalf of a Government customer.Contributing to application and...
BOOZ, ALLEN & HAMILTON
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Reston,VA
Systems Engineer The Opportunity: Are you looking for an opportunity to combine your technical skills with big picture thinking to make an impact in national security? You understand your customer's environment and how to develop...
Friends of the Earth
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Washington,DC
Who We Are Friends of the Earth is a hard-hitting, progressive, environmental organization that pulls no punches and speaks sometimes uncomfortable truth to power. It's an approach that has worked for five decades to...
