• System Administrator , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Fort Belvoir, VA)
    …wait. You Have: + 5+ years of experience as a systems administrator , network engineer, or cybersecurity engineer, including installation, configuration, and ... System Administrator , Senior The Opportunity: Your combination of people...install, maintain, audit, and support a secure MS Windows network environment. You'll analyze and test new sof tware… more
    BOOZ, ALLEN & HAMILTON, INC. (07/22/25)
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  • Tenable Nessus Administrator

    CACI International (Norfolk, VA)
    …Maintain and configure Nessus, Nessus Manager, Nessus Agents, Log Correlation Engine, Nessus Network Monitor, and Security Center on both Linux /Unix and Windows ... Tenable Nessus Administrator Job Category: Information Technology Time Type: Full...Defender for Endpoint, and STIG Management. + Familiarity with network and system security principles, protocols, and configurations. +… more
    CACI International (07/26/25)
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  • Systems Administrator

    BAE Systems (Springfield, VA)
    …or 11-14 Years with HS (including at least 5 in a recent systems administrator role) + Hands on experience with Network troubleshooting, DNS failures, domain ... **Job Description** As a Systems Administrator in an enterprise test organization, the incumbent...maintains smooth operation of multi-user computer systems, coordinates with network engineers, monitors and manages system resources, and performs… more
    BAE Systems (06/28/25)
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  • Principal Systems Administrator

    ManTech (Arlington, VA)
    …Professional, VMware VCP - VMware Certified Professional, CCNA - Cisco Certified Network Administrator + ITIL Foundations or later certification + General ... user needs + Strong technical skills in areas such as Windows and Linux operating systems, network administration, virtualization, and security + Excellent… more
    ManTech (08/08/25)
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  • System Operations/ Administrator

    Noblis (Chantilly, VA)
    Responsibilities Noblis ESI is seeking a System Operations/ Administrator with a background in managing and maintaining desktop computing environments to work with ... and troubleshooting assistance to end-users for hardware, software, and network -related issues. + Monitor system performance and security, ensuring compliance… more
    Noblis (08/01/25)
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  • System Operations/ Administrator

    Sciolex Corporation (Chantilly, VA)
    …you receive the utmost employee care. Responsibilities The System Operations/ Administrator will perform the following duties: Install, configure, and maintain ... and troubleshooting assistance to end-users for hardware, software, and network -related issues. Monitor system performance and security, ensuring compliance with… more
    Sciolex Corporation (07/15/25)
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  • Tanium Administrator

    CACI International (Chantilly, VA)
    …Python, PowerShell, Shell scripting) + Strong knowledge of operating systems (Windows, Linux , macOS) + Understanding of network protocols and security concepts ... Tanium Administrator Job Category: Information Technology Time Type: Full...+ Deploy and manage Tanium clients across the organization's network + Create and maintain content, including sensors, packages,… more
    CACI International (05/23/25)
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  • Systems Administrator (Expert)

    BAE Systems (Herndon, VA)
    …+ Broad understanding of technical principles, theories and concepts in the Systems Administrator field with Linux based systems + Strong understanding of ... our future and protect our freedom. We are seeking a skilled Systems Administrator with expertise in Amazon Web Services (AWS) to join our technology-based program… more
    BAE Systems (06/28/25)
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  • Systems Administrator

    CACI International (Norfolk, VA)
    …skills _Desired:_ + Experience with DoD/Navy systems + Technical certifications (CompTIA A+, Network +) + Knowledge of Windows and Linux systems + Basic scripting ... Systems Administrator Job Category: Service Contract Act Time Type:...supporting NAVSEA 03D3 Digital Program Office as a Systems Administrator supporting the Navy Maintenance and Modernization Enterprise Solution… more
    CACI International (06/06/25)
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  • System Administrator (Nightwatch)

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Information Systems or related field + Microsoft Certified: MCSA or MCSE; CompTIA Linux +; or Red Hat Certified System Administrator (RHCSA) + Hands-on experience ... https://vimeo.com/732533072 Summary The Navy Integrated Training Environment (NITE) System Administrator - Nightwatch ensures the administration, maintenance, and cybersecurity… more
    Huntington Ingalls Industries (08/08/25)
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