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Washington, District of Columbia

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Today

Systems Administrator I Location: 100% Remote Dexian Government Solutions is recruiting for a System Administrator to support our contract at the IRSCI in 100% Remote position. We are seeking a skilled and proactive System Administrator to manage, maintain, and support our IT infrastructure for IRSCI. The ideal candidate will be responsible for ensuring the reliable performance of servers, systems, networks, and security platforms while providing technical support to internal teams. This role re

Full-time

Network/Systems Administrator I

Glen Burnie, Maryland

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Today

Job Description The Network/Systems Administrator will oversee the network and systems management at Kratos Defense & Rocket Support Services, Glen Burnie, MD facility. The Network/System Administrator will coordinate with and work alongside our enterprise Network & Server teams to support the local computer systems, including local area networks (LANs), wide area networks (WANs), network segments, intranets, and other data communication systems. This will also include helping architect, design

Full-time

Depends on Experience

Systems Administrator (All Levels) - TS/SCI w/ FSP

Linthicum Heights, Maryland

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Today

Job#: 3026290 Job Description: Systems Administrator (All Levels) - TS/SCI w/ Full Scope Polygraph (FSP) Location: Linthicum, MD / Annapolis Junction, MD Work Model: 100% On-Site (classified environment; not remote) Clearance: Active TS/SCI with Full Scope Polygraph (FSP) required (must be active/current) Employment Type: Contract We're seeking Systems Administrators (multiple levels) to support mission-critical classified environments for a large DoD integrator. You'll help design, deploy,

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Full-time

Systems Administrator with Poly SR SA2

Annapolis, Maryland

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Today

Job Description THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company th

Full-time

USD 99,700.00 - 175,835.00 per year

Systems Administrator

Hyattsville, Maryland

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Today

Systems Administrator Location: Hyattsville, MD (Onsite) Duration: 12+ Months *LOCAL Only, candidates should have a strong application support background. targeting candidates from transportation companies. Trapeze is required Job Description We are looking for a System Administrator to join our growing team. This role involves providing technical support for transit scheduling systems, such as Trapeze or HASTUS, and ensuring effective provisioning, installation, configuration, and maintenan

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Full-time, Part-time, Third Party, Contract

Systems Administrator

Washington, District of Columbia

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Today

Systems Administrator Location: 100% Remote Dexian Government Solutions is recruiting for a System Administrator to support our contract at the IRSCI in 100% Remote position. We are seeking a skilled and proactive System Administrator to manage, maintain, and support our IT infrastructure for IRSCI. The ideal candidate will be responsible for ensuring the reliable performance of servers, systems, networks, and security platforms while providing technical support to internal teams. This role requ

Full-time

Linux Systems Administrator

Hybrid in College Park, Maryland

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Today

Job Number: R0234263 Linux Systems Administrator The Opportunity: Your combination of people skills and system administrator expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Navy? We're looking for a Linux System Administrator to help us ensure high availability and performance of mission-critical systems and implement automation to streamline operations. As a Linux Systems Administrator on our team

Full-time

USD 53,000.00 - 108,000.00 per year

Systems Administrator

Washington, District of Columbia

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Today

Job Family: Systems Engineering Travel Required: Up to 10% Clearance Required: Active Top Secret (TS) We are seeking a reliable and skilled Systems Administrator to support enterprise IT operations and mission-critical systems within secure federal environments. This role is responsible for managing servers, monitoring infrastructure, troubleshooting issues, and supporting hybrid cloud environments while ensuring systems remain secure, stable, and compliant with federal standards. The ideal

Full-time

USD 98,000.00 - 163,000.00 per year

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

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

Linux Systems Administrator Tier I

Arlington, Virginia

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Today

Overview AMERICAN SYSTEMS is actively recruiting a Tier I Linux Systems Administrator with at a Top Secret clearance to support enterprise-level HPC environments. This position plays a key role in system optimization, security implementation, and collaboration with engineering and network teams. Responsibilities As a Tier I Linux Systems Administrator, you will have the opportunity to do the following: Provide first-line technical support for software, hardware, network infrastructure, and sy

Full-time

USD 91,600.00 per year

Windows Systems Administrator

Camp Springs, Maryland

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Today

The Leidos Digital Modernization Sector is seeking a Windows Systems Administrator in support of the Air Force National Capital (AFNCR) IT Services program. 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 Mis

Full-time

USD 73,450.00 - 132,775.00 per year

Systems Administrator - SME

Washington, District of Columbia

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Today

As a System Administrator SME with Modern Technology Solutions, Inc. (MTSI), you will support a customer operating out of Joint Base Anacostia-Bolling, DC. The System Administrator serves as the Program Office's information technology and is responsible for supporting, designing, maintaining, and monitoring internal and external networks as well as implementing and managing all systems, applications, security, and network configurations. Additionally, the Senior System Administrator would resolv

Full-time

Senior Systems Administrator

Arlington, Virginia

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Today

Overview GovCIO is currently hiring for a Senior Systems Administrator with an active Secret clearance to manage large-scale Windows-based environments, commercial off-the-shelf applications, and government-developed enterprise applications . This position will be located in Arlington, VA, and will be a hybrid position. Responsibilities Works with large-scale server environments (with both Windows and Linux), commercial off-the-shelf applications, and government-developed enterprise applicatio

Full-time

USD 115,000.00 - 135,000.00 per year

Senior Network/Systems Administrator

Arlington, Virginia

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Today

Overview GovCIO is currently hiring a Senior Network/Systems Administrator with an active Secret clearance to ensure the smooth operation of computer systems. This position is located in Arlington, VA and is a hyrbid position. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and

Full-time

USD 94,150.00 - 145,000.00 per year

Intermediate Classified Systems Administrator

McLean, Virginia

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Today

Why choose between doing meaningful work and having a fulfilling life? At MITRE, you can have both. That's because MITRE people are committed to tackling our nation's toughest challenges-and we're committed to the long-term well-being of our employees. MITRE is different from most technology companies. We are a not-for-profit corporation chartered to work for the public interest, with no commercial conflicts to influence what we do. The R&D centers we operate for the government create lasting im

Full-time

USD 103,600.00 - 129,500.00 per year

DevOps Engineer/Systems Administrator- 5 days onsite Reston, VA

Arlington, Virginia

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Today

DevOps Engineer/Systems Administrator The DevOps Engineer / Systems Administrator (CKA required) designs, deploys, and maintains physical, virtual, and containerized environments to ensure secure, reliable system performance. The role supports infrastructure automation, CI/CD pipelines, Linux administration, and engineering tooling, solving complex challenges independently while coordinating with senior technical staff when needed. The company is located in Reston, VA and will be 5 days onsite a

Easy Apply

Full-time

$140000 - $160000

Senior Systems Administrator (Linux/Windows) - Top Secret Clearance w/SCI eligibility required

Arlington, Virginia

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Today

Overview At AMERICAN SYSTEMS, your technical expertise directly supports national security and mission-critical systems. As an employee-owned federal government contractor, we deliver trusted solutions in support of the nation's highest priorities. We are seeking a Senior Systems Administrator 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 Windows and Linu

Full-time

USD 108,100.00 per year

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_wPoly Clearance Level Must Be Able to Obtain: None 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, and m

Full-time

Systems Administrator

Washington, District of Columbia

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Today

Job ID: T2508223 Location: Washington, DC, US Date Posted: 2026-03-05 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, a leading provider of systems engineering & integration, systems development & deployment, intelligence analysis and targeting, and training solutions for the Intel

Full-time

USD 160,001.00 - 200,000.00 per year

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