• 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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  • Secret Windows Systems

    Insight Global (Dahlgren, VA)
    …for common failures through customer support. This Windows Systems Administrator must have an active Secret Clearance, IAT Level 2 Certification, ... Job Description Insight Global is seeking a Windows Systems Administrator based in Dahlgren, Virginia, to deliver technical assistance and provide solutions… more
    Insight Global (01/13/26)
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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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  • 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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  • Systems Administrator

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** ** SYSTEMS ADMINISTRATOR ( WINDOWS ) (RDTE)** Bowhead seeks a Systems Administrator ( Windows ) to provide customer support and technical ... at the Naval Surface Warfare Center Dahlgren Division (NSWCDD). **Responsibilities** **The Systems Administrator will be responsible for:** + Answering questions… more
    UIC Government Services and the Bowhead Family of Companies (12/23/25)
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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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  • NCIS Systems Administrator | Active…

    General Dynamics Information Technology (Quantico, VA)
    …Required:** Yes **Job Description:** Transform technology into opportunity as a ** Systems Administrator ** at GDIT. Shape what's next for mission-critical ... sabotage, espionage and subversive activities. **MEANINGFUL WORK AND PERSONAL IMPACT** As a ** Systems Administrator ** , the work you'll do at GDIT will be… more
    General Dynamics Information Technology (01/05/26)
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  • Windows System Administrator 1

    M. C. Dean (Falls Church, VA)
    …seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... monitoring and reviewing system logs. + Support configuration and management of Windows operating systems and install/load operating system software. + Support… more
    M. C. Dean (12/23/25)
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  • Windows System Administrator 2

    M. C. Dean (Falls Church, VA)
    …seeking a **System Administrator 1** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... engineer and deploy automated, secure and resilient power and technology systems ; and deliver the management platforms essential for long-term system sustainability.… more
    M. C. Dean (12/23/25)
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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 ... Regular **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job...and tomorrow is smarter. Our work depends on a ** Systems Administrators** with Linux and Windows Infrastructure… 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 +...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 Linux Systems Administrator

    Leidos (Camp Springs, MD)
    …(SSCP)). + Training (DISA-US1384 DCWF Linux System Administrator / DISA-US1390 DCWF Windows Systems Administrator ). + 3+ years deploying Unix in secured ... **Description** The Leidos Digital Modernization Sector is seeking a **_Senior Linux Systems Administrator_** in support of the Air Force National Capital (AFNCR) IT… more
    Leidos (12/20/25)
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  • Systems Administrator (Hybrid…

    Serco (Washington Navy Yard, DC)
    …& Qualifications** **Position Description & Qualifications** Serco is seeking a skilled Systems Administrator to support the Navy-owned PMS-ES Integrated Data ... Information Technology 12570 Full-Time The ability to obtain and maintain a DoD Secret security clearance. No - Teleworking not available for this position $97787.27… more
    Serco (01/15/26)
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  • Sr. Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    …US Job ID: ATR 17714 Job Description Job Title: Sr. Systems Administrator Job Location: Washington, DC (Hybrid) Clearance: Secret Job Description: . Manage ... products . Address all vulnerabilities identified via system scanning Systems Administrator Senior Advisor Requirements and Qualifications...from different database systems to updated modern systems . Secret Clearance to start Required… more
    Arena Technical Resources, LLC (10/25/25)
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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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  • 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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  • Sr. Systems Administrator

    Chenega Corporation (Fort Belvoir, VA)
    Sr. Systems Administrator Ft. Belvoir, VA Join our Talent Network Sr. Systems Administrator Ft. Belvoir, VA C-CHR-24-050 TheSenior System ... administration and information assurance support. Duties and Responsibilities: + + Provide systems administration support for the Windows operating system and… more
    Chenega Corporation (12/01/25)
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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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  • Linux Systems Administrator

    BCMC (Arlington, VA)
    …of the customer mission. Responsibilities: - Serve as a lead Linux Systems Administrator overseeing Red Hat Enterprise Linux (RHEL) environments across ... - Perform large scale configuration management and deployment across Windows , MacOS, Linux/Unix, and other operating systems ...- US Citizenship - Must have an active DoD Secret clearance, TS/SCI clearance is preferred. - Requires on-site… more
    BCMC (01/15/26)
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  • Systems Administrator / Information…

    Guidehouse (Arlington, VA)
    …Required** **:** Active Secret **What You Will Do** **:** We are seeking a Systems Administrator / Information Systems Engineer in support of the Marine ... to provide the following: + Administers, maintains, patches, and sustains enterprise systems + Supports Windows , Oracle, Citrix environments + Performs system… more
    Guidehouse (01/08/26)
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