• Senior Administrator , Systems

    Intercontinental Exchange (ICE) (Atlanta, GA)
    Overview **Job Purpose** The Senior Systems Administrator is responsible for maintaining the availability, security, and performance of Windows and Linux ... troubleshooting, and resolving system performance and availability issues. The Senior Systems Administrator also assists in implementing automation and… more
    Intercontinental Exchange (ICE) (12/23/25)
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  • Systems Administrator

    ManTech (Fort Meade, MD)
    …developing and testing of information technology systems + Administration of Linux (ie, Redhat /Rocky 8) + Configuring and maintaining storage and file ... updates, IAVAs, and configuration changes) + Experience with performing system administration on Linux Redhat 8/Rocky 8 (Command Line) + Experience working with… more
    ManTech (12/28/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …Springfield, Virginia. HOW A ** SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an engineering team ... and tomorrow is smarter. Our work depends on a ** Systems Administrators** with Linux and Windows Infrastructure...Windows-based virtual server environments. + Hands-on working knowledge of RedHat 5 & 7 along with Windows server 2008,… more
    General Dynamics Information Technology (12/06/25)
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  • TS/SCI Systems Administrator

    Insight Global (Dayton, OH)
    …degree) 4+ years of experience with Systems Administration Experience working with Linux Operating Systems ( RedHat Enterprise Linux (RHEL), CentOS ... in the Dayton, OH area is seeking a TS/SCI Systems Administrator for a contract to hire...Rocky Linux ) Experience working with windows operating systems IAT II Certification (CASP+ or Sec+) Linux more
    Insight Global (01/09/26)
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  • System Administrator Level 3

    Jovian Concepts, Inc. (Annapolis, MD)
    …by law in employment.<\/div><\/div>","faviconId":"rzdliec182fab1ef548499d4ddfcbeeacba4f","jobTitle":"System Administrator Level 3","companyName":"Jovian Concepts, ... <\/head>\n \n \n \n Jovian Concepts, Inc is looking to hire a\x26nbsp;System Administrator Level 3 for a great opportunity in the Annapolis Junction area.\x26nbsp;… more
    Jovian Concepts, Inc. (12/24/25)
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  • Sr. Storage Administrator

    CGI Technologies and Solutions, Inc. (Radford, VA)
    …and configuration experience of backup SW with Windows Server 2019, Solaris 11, RedHat Enterprise Linux 7 and higher. n) Experience with both Windows ... **Sr. Storage Administrator ** **Category:** Infrastructure/Cloud **Main location:** United States, Virginia,...or Product Lead for Acquisition, Logistics, and Technology Enterprise Systems and Services, is a key US Army organization… more
    CGI Technologies and Solutions, Inc. (01/07/26)
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  • Sr. Systems Administrator

    RTX Corporation (Tucson, AZ)
    …Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Understanding and knowledge of Windows ... technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Senior System … more
    RTX Corporation (12/29/25)
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  • Senior Systems Administrator 10k…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Systems Administrator in our **Intelligence Sector's (NSS) Cyber & Analytics Business ... make a difference in National** **Security!** As a Senior Systems Administrator you will play a vital...Administration and SSP/Security support for the program in both Linux and Windows environments. + Implement, troubleshoot, and maintain… more
    Leidos (11/15/25)
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  • Systems Administrator w/Poly

    BigBear.ai (Hanover, MD)
    …DoD 8570 compliance with IAT Level I or higher (if applicable). + In-depth understanding of RedHat Linux 8 and above, and Win10/Win11 What we'd like you to have ... a System Administrator to support mission critical application and systems in support of multiple Identity, Credential and Access Management (ICAM) projects.… more
    BigBear.ai (12/17/25)
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  • Systems Administrator Autonomic…

    Lockheed Martin (Fort Worth, TX)
    …with users, acting as a liaison for the ALIS product suite \- Windows Server, RedHat , or Linux experience \- Show ability to maintain smooth, secure operation of ... your future\! This role is for a full time on\-site System Administrator for the Joint Strike Fighter \(JSF\) Program Autonomic Logistics Information System… more
    Lockheed Martin (12/17/25)
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