• 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 (05/13/25)
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  • Senior Tenable Nessus Administrator

    CACI International (Chantilly, VA)
    Senior Tenable Nessus Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular ... US * * * **The Opportunity:** CACI is looking for a Senior Tenable Administrator to support our DoD customer to implement an enterprise IT service delivery model… more
    CACI International (06/24/25)
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  • Systems Administrator

    BAE Systems (Springfield, VA)
    **Job Description** As a Systems Administrator in an enterprise test organization, the incumbent will be part of a thriving dynamic team of Systems Administrators ... functions. To include, but not limited to, setting up administrator accounts, maintaining system documentation, tuning system performance, installing system-wide… more
    BAE Systems (06/28/25)
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  • Senior Systems Administrator II Generalist…

    V2X (Springfield, VA)
    …respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - active TS/SCI clearance to support our government ... obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports the information technology (IT) Operations and Maintenance… more
    V2X (05/17/25)
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  • SME (Subject Matter Expert) Systems…

    Leidos (Fort Belvoir, VA)
    …and key management + STIG compliance, SCC and STIG Viewer experience, and ACAS expertise. + Expert with Microsoft Windows, Linux , and system virtualization ... **Description** Leidos is seeking a skilled **Senior Systems Administrator in Fort Belvoir, VA** to join the...Microsoft OS Certification (MCSE Win 7 or other) + Linux certification (RHCSA, CompTIA Linux , LCFS/LCFE, etc.)… more
    Leidos (06/11/25)
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  • Enterprise Senior Systems Administrator

    General Dynamics Information Technology (Fort Belvoir, VA)
    …review and manage mitigation efforts for Assured Compliance Assessment Solution ( ACAS ) reports of vulnerabilities on enterprise hardware, software, and applications. ... Abilities:** + Experience with DISA STIGs and their relation to Windows, Linux , and VMWare Operating Systems security. + Intermediate experience with PowerShell… more
    General Dynamics Information Technology (05/31/25)
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  • Senior System Integrator Engineer (TS/SCI)

    Vexterra Group (Bethesda, MD)
    …and O&M team members on the following key tasks: DUTIES * Perform Linux builds, installs, configuration, administration, and troubleshooting of both Linux and ... and system patching, performance monitoring, etc. * Provide O/S hardening (STIG, OpenSCAP, ACAS ) and system patching * Develop server builds for virtual and physical… more
    Vexterra Group (04/16/25)
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  • Sr. Cyber Security Analyst

    Oneida Technical Solutions (Fort Belvoir, VA)
    …+ 3 years of experience in Cybersecurity. + Intermediate System Administrator , Vulnerability Assessor, or Security Control Assessor certification (eg, Security+, ... Additional Skills: + Knowledge of securing Windows Servers, Windows Desktops, UNIX, Linux , virtual servers, log collection tools, and analysis techniques. + Ability… more
    Oneida Technical Solutions (04/07/25)
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