• Fidelis Administrator - Active TS/SCI…

    ENS Solutions (Norfolk, VA)
    …and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and evaluation, solution ... engineering, software development, or system administration. Requirements + 3 + years of experience as a system administrator + Experience with installing or… more
    ENS Solutions (09/27/25)
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  • Network Administrator 3 -Tyson's

    M. C. Dean (Vienna, VA)
    …cyber-physical landscape. **Position Summary:** MC Dean is seeking a highly competent **Network Administrator 3 ** to assist on the design and maintenance of its ... digital/analog communications technologies. + Working knowledge of the following systems : UNIX/LINUX, CISCO IOS, Windows Server, and...of the following systems : UNIX/LINUX, CISCO IOS, Windows Server, and Microsoft SQL. + Experience in the… more
    M. C. Dean (08/27/25)
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  • Senior Systems Administrator

    Leidos (Vienna, VA)
    **Description** The National Security Sector at Leidos is seeking a **Senior System Administrator ** to join a dynamic team based in **Tysons Corner, VA** . This ... while supporting a small team responsible for managing a wide range of mission-critical systems . **Key Details** : + Work hours fall within the core shift range of… more
    Leidos (07/29/25)
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  • System Administrator

    System One (Springfield, VA)
    …TS/SCI with the eligibility to obtain a CI Poly Contact: ###@altaits.com The Systems Administrator will work closely with both on-site and remote users ... remote resolution support for trouble calls, and provide TIER 2/ 3 support of production systems . + ...and performance + Perform software installations and upgrades to Unix/ Windows operating systems and layered software packages,… more
    System One (09/16/25)
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  • System Administrator

    Leader Communications Inc. (Portsmouth, VA)
    … Administrator will ensure the reliability, security, and availability of critical systems , supporting both Windows and Linux environments in a highly ... in enterprise or DoD environments + Microsoft Certified: SharePoint Server Hybrid Administrator Associate, Microsoft Certified: Windows Server Administrator ,… more
    Leader Communications Inc. (09/23/25)
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  • System Administrator

    Chenega Corporation (Oakton, VA)
    …security and economic interests of our nation. SecuriGence is seeking an experienced Systems Administrator to help contribute to our success. If you enjoy ... System Administrator Oakton, VA . Information Technology Join our...Installing, configuring, and supporting windows -based. applications on Windows 7, 8, and 10 desktop systems ,… more
    Chenega Corporation (08/13/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business Unit. As part of **(SES)** Strategic Business Unit you will ... for federal, local and commercial customers across high-growth markets. As a System Administrator for our Physical Security Systems , you will be responsible for… more
    M. C. Dean (08/30/25)
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  • System Administrator

    Gromelski & Associates, Inc. (Manassas, VA)
    … Windows environment. Maintains smooth operation of multi-user computer systems , including coordination with network administrators. **_System Administrator ... **System Administrator ** Location **Manassas, VA** Job Category **Engineering** ID...related discipline, or equivalent experience/combined education and 1 - 3 years of experience. + Willingness to work overtime… more
    Gromelski & Associates, Inc. (08/23/25)
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  • Storage Administrator

    GovCIO (Richmond, VA)
    …installation, configuration, security, and maintenance of highly available enterprise data storage systems . + 3 + years' experience maintain storage and network ... Procedures for repeatable processes, disaster recovery, and common problem resolution. + 3 + years' experience with MS- Windows , Solaris, and RHEL/OEL Linux… more
    GovCIO (09/24/25)
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  • System Administrator

    Leidos (Arlington, VA)
    …** : Install, configure, and maintain a range of platforms including VMware, Windows , and RedHat-based systems , ensuring performance and security at every layer. ... within Windows domain environments: managing Active Directory, DNS, remote systems , NTFS permissions, SMB shares, and common admin tools. + **Linux-Ready… more
    Leidos (09/12/25)
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