• Linux Administrator - ACAS

    CACI International (Springfield, VA)
    Linux Administrator - ACAS Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... worldwide to support the NGA mission. In this role, we're seeking a ** Linux Administrator - ACAS ** who could potentially be located in either **Springfield,… more
    CACI International (11/10/25)
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  • Assured Compliance Assessment Solution…

    FGS, LLC (Suitland, MD)
    …and troubleshooting issues + Five years of experience administering Red Hat Enterprise Linux , the ACAS host operating system, to include: + Building, patching, ... Assured Compliance Assessment Solution ( ACAS ) Senior AdministratorSuitland, MD **Requires US Citizenship Yes** **Employment Term and Type: Regular, Full Time**… more
    FGS, LLC (11/13/25)
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  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …a Systems Administrator or similar role + Strong experience with Linux and Windows-based systems administration. + Knowledge of cloud platforms (AWS, Azure, ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux ,Microsoft Windows,System Administration **Experience:** 5 + years of related… more
    General Dynamics Information Technology (09/16/25)
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  • NCIS Cyber Systems Administrator - SecOps…

    General Dynamics Information Technology (Quantico, VA)
    …+ **US Citizenship required** **WHAT WE'D LOVE FOR YOU TO HAVE:** + ACAS Management + LINUX Systems Administration Experience (SPLUNK) + Forescout Experience ... Yes **Job Description:** Transform technology into opportunity as a **Cyber Systems Administrator - SecOps** with GDIT. A career in enterprise IT means connecting… more
    General Dynamics Information Technology (08/28/25)
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  • Systems Administrator II - Generalist…

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Cross Domain - active TS/SCI clearance to ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II Cross Domain supports the information technology (IT) Operations and… more
    V2X (11/14/25)
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  • Splunk Security Engineer

    Leidos (Suitland, MD)
    …Operational products such as Active Directory, DNS, FWs (packet flows), Email, ACAS , Trellix/Tanium, Splunk, STIGs, Windows/ Linux and the standard services ... and Nessus, VMWare vCenter/ESXi, ServiceNow, Azure and AWS, NetApp, Windows and Linux . Connectors may use APIs, tokens, or service accounts, so understanding these… more
    Leidos (11/11/25)
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  • Mid-Senior Network Engineer

    Infinity Systems Engineering (Alexandria, VA)
    …be more with us! Job Summary: We are seeking a skilled Systems Administrator /Network Engineer to join our mission-driven team. This position offers a broad scope ... and Cisco switches. + Perform systems administration on Windows and Linux platforms (updates, security, troubleshooting, management). + Maintain secure high… more
    Infinity Systems Engineering (10/29/25)
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  • Cyber Security Specialist 4

    M. C. Dean (Springfield, VA)
    …system environments including Windows Server and workstation and Redhat Enterprise Linux (RHEL) as well as virtual environments including VMWare, Hyper-V, Nutanix, ... and Authorizations, including, but not limited to: Evaluate STIG, eMASSter, Vulnerator, ACAS / TenableSC, STIG Viewer, SCAP Compliance Checker, eMASS, Xacta / Xacta… more
    M. C. Dean (10/10/25)
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