• 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 (08/11/25)
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  • Unix/ Linux Administrator

    Leader Communications Inc. (Portsmouth, VA)
    Position Summary The Unix/ Linux Administrator will play a key role in administering and securing enterprise Unix/ Linux systems, ensuring compliance with DoD ... shipyard, or DoD IT environments. + Familiarity with DoD cybersecurity tools (HBSS, ACAS ). + Certifications such as RHCSA/RHCE, CompTIA Linux +, Security+, or… more
    Leader Communications Inc. (08/29/25)
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  • Tenable Nessus Administrator SME

    CACI International (VA)
    Tenable Nessus Administrator SME 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 Tenable Nessus Administrator SME to support our DoD customer to implement an enterprise IT service delivery… more
    CACI International (07/23/25)
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  • Lead Linux Admin

    ASM Research, An Accenture Federal Services Company (Richmond, VA)
    administrator capacity. Considered a technical specialist in a variety of IT administrator disciplines. * Manage a team of Linux and Windows Administrators ... with integration of DoD STIGs and other recommended security standards. * Integrate Linux systems with other enterprise tooling (eg, ACAS , Splunk, SevOne, Backup… more
    ASM Research, An Accenture Federal Services Company (07/25/25)
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  • RHEL System Administrator III

    RTX Corporation (Chesapeake, VA)
    …to include (but not limited to): + Administer all ROTHR Red Hat Enterprise Linux servers and workstations, ACAS and Nessus servers, and VMware ESXi servers ... are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret RHEL Administrator At Raytheon, the foundation of everything we do is rooted in… more
    RTX Corporation (08/20/25)
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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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  • 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 (08/07/25)
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  • Senior Trellix/Microsoft Defender…

    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 Trellix/Microsoft Defender Administrator in Fort Belvoir, VA** to join the I3TS team supporting DTRA. The I3TS… more
    Leidos (08/30/25)
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  • System Administrator

    Rite-Solutions Inc. (Dahlgren, VA)
    …Virginia | Full Time Rite-Solutions, Inc. has a full-time opportunity for a Systems Administrator , on-site in Dahlgren, VA. You will provide daily support for a DoD ... supports a cyber warfare enclave. The Program The Systems Administrator will be part of a team of experts...unscheduled outages + Install, maintain, configure, troubleshoot, Windows and/or Linux servers + Red Hat Enterprise Linux more
    Rite-Solutions Inc. (08/26/25)
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