• Sr. Specialist, Systems…

    L3Harris (Carlsbad, CA)
    …Current/active TS/SCI security clearance. Preferred Additional Skills: + Strong knowledge of Windows and Linux operating systems , networking protocols, ... the interest of national security. Job Title: Sr. Specialist, Systems Administrator Job Code: 29595 Job Location:...responsible for maintaining the integrity and security of both Windows and Linux system infrastructures. This role… more
    L3Harris (10/05/25)
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  • Software Engineer/ Systems…

    Cinteot (Springfield, VA)
    …Administration on Windows based platforms + Windows Server Operating Systems experience + Red Hat Linux Administration experience Education: Bachelor (or ... Software Engineer / Systems Administrator (location: Springfield, VA) The...troubleshoot, diagnose, and resolve problems with Microsoft Exchange, Microsoft Windows 2012 Server, and Active Directory and other … more
    Cinteot (11/06/25)
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  • Technical Engagement Network (TEN) Lab Manager/…

    BCMC (Arlington, VA)
    …We are seeking a Technical Engagement Network (TEN) Lab Manager with experience in Linux Systems Administrator to support the design, development, and ... configuration management and deployment across Windows , MacOS, Linux /Unix, and other operating systems and virtual...- 5+ years of directly relevant experience as a Linux System Administrator . - 2+ years MacOS… more
    BCMC (11/21/25)
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  • Mid-Level Systems Administrator

    The Boeing Company (Berkeley, MO)
    …us. The Boeing Company is looking for a highly experienced and detail-oriented **Mid-Level Systems Administrator ** to join the team in **Berkeley, MO** . In this ... stacks, engineering workflows, vulnerability remediation, etc. As the System Administrator supporting Training Systems , based in St...Windows Server 2016 - 2022 and Desktop Operating Systems - Windows 10 and Windows… more
    The Boeing Company (11/27/25)
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  • Mid-Level Systems Administrator

    The Boeing Company (Berkeley, MO)
    …(SUSIO) Organization is currently seeking a highly experienced and detail-oriented **Mid-Level Systems Administrator ** to join the team in **Berkeley, MO.** This ... required to deliver products to our customers. As a Systems Administrator , your expertise will play a...Skills/Experience):** + 3+ years of experience designing & implementing Windows Systems + 3+ years of experience… more
    The Boeing Company (11/27/25)
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  • Senior Systems Administrator , Level…

    Lockheed Martin (Dahlgren, VA)
    …The System Administrator \(SA\) is responsible for the day\-to\-day operations of Windows and Linux systems and hardware\. Duties may include setting ... you\! The DARKWING Program is seeking a highly motivated Systems Administrator to join our team in...6 months\) * Windows Active Directory * Windows OS and/or UNIX/ LINUX administration experience *… more
    Lockheed Martin (11/19/25)
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  • Systems Administrator

    Chenega Corporation (Arlington, VA)
    …school diploma or GED equivalent + 5+ years of relevant experience. + Experience with Windows and Linux operating systems . + DOD IAT Level II Certification ... **Req ID:** 38346 **Summary** ** Systems Administrator ** **Arlington, VA** Are you...**Knowledge, Skills, and Abilities:** + Proven experience with both Windows and Linux operating systems ,… more
    Chenega Corporation (11/20/25)
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  • Systems Administrator - NETTN…

    Huntington Ingalls Industries (Virginia Beach, VA)
    …issue resolution across client and server systems + Administer and maintain Windows and Red Hat Enterprise Linux (RHEL) environments, including virtual ... short video: https://vimeo.com/732533072 Job Description Mission Technologies is seeking a Systems Administrator to support the Navy Integrated Training… more
    Huntington Ingalls Industries (10/11/25)
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  • Systems Administrator II…

    V2X (Springfield, VA)
    …with integrity, respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Cross Domain - active TS/SCI ... ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II Cross Domain supports the information technology (IT)… more
    V2X (11/14/25)
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  • Senior Network and Computer Systems…

    NANA Regional Corporation (South Burlington, VT)
    … systems administration, with increasing levels of responsibility. + Expertise in Windows Server administration, Linux systems (Red Hat/CentOS), and ... We are seeking an experienced Senior Network and Computer Systems Administrator to lead the administration, security, and optimization of the USCIS enterprise IT… more
    NANA Regional Corporation (10/16/25)
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