• 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
    DirectEmployers Association (09/30/25)
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  • 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. (09/23/25)
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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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  • 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 ... world. This job opportunity is for the ROTHR System Administrator position at the Raytheon, ROTHR Chesapeake, Virginia facility....(RHEL, Microsoft, Java, Adobe, etc.) Review scan results from ACAS and Tanium scans that pertain to servers and… more
    RTX Corporation (09/30/25)
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  • Database Administrator III

    RTX Corporation (Chesapeake, VA)
    …ATO requirements) + To provide backup support to SIPRNet Red Hat Enterprise Linux (RHEL) Systems Administrator for day-to-day Global Command and Control ... System-Joint (GCCS-J) maintenance and Assured Compliance Assessment Solution ( ACAS ) servers maintenance **Qualifications You Must Have:** + DoD 8570 Workforce IAT… more
    RTX Corporation (10/15/25)
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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 Systems Administrator

    Leidos (Chantilly, VA)
    …of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our IT operations team, you will play a ... as a Polygraph. **Primary Responsibilities:** + Lead system administration for Linux and Windows-based systems in secure, mission-critical environments. + Architect… more
    Leidos (10/10/25)
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  • Senior Cloud Engineer

    CACI International (VA)
    …with a focus in the following technology areas: Azure Cloud, Red Hat Linux , Tenable Software Solutions for ACAS , Scripting (Python, PowerShell, other languages ... Technology as a Service (EITaaS). As part of the ACAS Operations Resolution and Modernization Teams, you will be...efficiencies + Perform, and maintain, an Enterprise Red Hat Linux Operating Infrastructure with integrations into RHEL Satellite and… more
    CACI International (10/15/25)
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