• ERP International (Washington, DC)
    …**ERP International, LLC** ( www.erpinternational.com ) is currently seeking a ** Systems Administrator ** with a strong background in patch management ... International is honored to have been named one of The Washington Post's 2024 Top Workplaces. Five years and running!_** **Connect With Us!** Apply online today and… more
    DirectEmployers Association (01/15/26)
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  • AeroVironment (Arlington, VA)
    …Manage client/server/storage/network infrastructure. + Configure and manage RedHat Linux and Windows systems . + Support vulnerability management using Nessus. + ... IT infrastructure. This role involves day-to-day operations, troubleshooting, and maintenance across Windows and UNIX systems . You'll work directly with both… more
    DirectEmployers Association (12/19/25)
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  • Senior Windows Systems

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Windows Systems Administrator Clearance Required: Top Secret or Secret Clearance Locations: Adelphi, MD Position Overview: The Senior Windows ... activities within the environment. This role covers the management of enterprise systems , storage, patching, and endpoint solutions across Windows platforms. The… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Windows Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a skilled and motivated ** Windows Systems Administrator ** to join our team of top Information Technology and Analytic professionals in ... High School Diploma and 7+ years of relevant experience with Windows systems + Experience with complex system architectures and interconnected data environments… more
    ManTech (12/03/25)
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  • Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …challenges with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active ... ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the Information Technology (IT) Operations… more
    V2X (11/15/25)
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  • Windows System Administrator

    Link Solutions Inc (Adelphi, MD)
    …appraised for CMMI ML3 for Services and Development. Link Solutions is seeking a Windows System Administrator (Senior-Level) to join our team at Adelphi, MD. + ... a US Citizen + Must have an active DoD Top Secret Clearance + Non-remote (relocation incentive available) The... Secret Clearance + Non-remote (relocation incentive available) The Windows System Administrator (Senior-Level) will be responsible… more
    Link Solutions Inc (01/06/26)
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  • Systems Administrator / Top

    Lockheed Martin (Arlington, VA)
    **Description:** You will be the Systems Administrator for the Advanced Concepts Lab \(ACL\) - a cutting edge team within Lockheed Martin's Advanced Technology ... scientific disciplines\. What You Will Be Doing: As the Systems Administrator you will be responsible for...developing skills in the following technical areas: \* In\-depth systems administration experience with Windows \(including Active… more
    Lockheed Martin (10/22/25)
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  • G2 SharePoint Systems Administrator

    General Dynamics Information Technology (Fairfax, VA)
    …Yes **Job Description:** Transform technology into opportunity as a **SharePoint / Systems Administrator ** at GDIT. Shape what's next for mission-critical ... GDIT, people are our differentiator. Our work depends on a **SharePoint / Systems Administrator ** joining our CNIC Applications Support team which provides… more
    General Dynamics Information Technology (01/05/26)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …and protect our freedom. BAE Systems is looking for a Senior Systems Administrator to provide comprehensive support to all aspects of system maintenance, ... **Job Description** BAE Systems , a top -ten prime contractor to...be available based on position level and/or job specifics. ** Systems Administrator ** **117073BR** EEO Career Site Equal… more
    BAE Systems (12/09/25)
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  • Cyber Systems Administrator

    Serco (Washington, DC)
    …of hardware, software, and system components. + Performing as a Systems Administrator for a hybrid classified environment (ie, Windows and Linux). + Working ... & Qualifications** **Position Description & Qualifications** Serco is seeking a **Cyber Systems Administrator ** to support the 705th CTS Distributed Mission… more
    Serco (01/15/26)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …Springfield, Virginia. HOW A ** SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an engineering team ... ensure today is safe and tomorrow is smarter. Our work depends on a ** Systems Administrators** with Linux and Windows Infrastructure experience to manage and… more
    General Dynamics Information Technology (12/06/25)
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  • Software Engineer/ Systems

    Cinteot (Springfield, VA)
    Software Engineer / Systems Administrator (location: Springfield, VA) The selected individual will be responsible to support the Framework Services / Platform ... Framework, ASP .NET) + Agile development + Background in Systems Administration on Windows based platforms +...Education: Bachelor (or 4 years additional experience) Security Clearance: Top Secret with SCI and Full Scope Poly Benefits:… more
    Cinteot (11/06/25)
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  • Senior Systems Administrator

    Chenega Corporation (Arlington, VA)
    **Req ID:** 38512 **Summary** **Senior Systems Administrator ** **Arlington, VA** Are you ready to enhance your skills and build your career in a rapidly evolving ... security and economic interests of our nation. SecuriGence is seeking a talented **Senior Systems Administrator ** to help contribute to our success. Come help us… more
    Chenega Corporation (12/10/25)
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  • Junior Systems Administrator

    Amentum (Mclean, VA)
    **Amentum** is looking for a **Junior Systems Administrator ** to join our team in **McLean, VA** ! As a Junior Systems Administrator , you will be ... responsible for the day-to-day maintenance and support of computer systems and networks. **Must have an Active Top...and mentor when needed + Respectable understanding of operating systems like Windows , and Linux + Understanding… more
    Amentum (01/01/26)
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  • System Administrator (Citrix)

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an experienced full-time on-site System Administrator to support our work as a prime contractor on a high-profile US ... customer and IT infrastructure teams. As an on-site System Administrator , you will: + Capture, document, and structure stakeholder...+ Proficiency with Windows Server (2016/2019/2022) and Windows 11 operating systems . + Strong working… more
    BAE Systems (12/04/25)
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  • Systems Administrator (2nd shift),…

    General Dynamics Information Technology (Mclean, VA)
    …**Job Description:** General Dynamics Information Technology has an immediate opening for a Systems Administrator . The candidate is a systems ... Requisition:** Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None...2nd shift work - 2:00pm - 10:00pm. **HOW A SYSTEMS ADMINISTRATOR WILL MAKE AN IMPACT:** +… more
    General Dynamics Information Technology (01/05/26)
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  • Senior Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    **Overview** SENIOR SYSTEMS ADMINISTRATOR (NAUT): Bowhead seeks a Senior Systems Administrator to support our customer on the Nautical contract in the ... monitoring tools + Configure and manage virtual machines, containers, storage systems , and networking components in secure cloud environments + Implement and… more
    UIC Government Services and the Bowhead Family of Companies (01/06/26)
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  • After Hours System Administrator

    BAE Systems (Washington, DC)
    **Job Description** BAE Systems is seeking an After Hours* System Administrator to support our work as a prime contractor on a high-profile US Navy weapon ... + Excellent problem-solving abilities + Ability to effectively troubleshoot issues with Windows Server, Active Directory, and other IT systems + Experience… more
    BAE Systems (01/09/26)
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  • Systems Administrator

    Guidehouse (Bethesda, MD)
    …clusters, including Elasticsearch, Logstash, Kibana and *beats + Experience with Windows Systems Administration and troubleshooting Active Directory + Experience ... **Job Family** **:** Systems Engineering **Travel Required** **:** None **Clearance Required**...Engineering **Travel Required** **:** None **Clearance Required** **:** Active Top Secret SCI (TS/SCI) **What You Will Do:** +… more
    Guidehouse (12/10/25)
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  • System Administrator

    Assertive Professionals (Chantilly, VA)
    System Administrator About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small Business ... for itself within the Defense Contracting community taking 15th place in America's Top 100 Small Business Visionaries for the 2018 Best of Small Business Awards,… more
    Assertive Professionals (01/07/26)
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