• Endpoint Security as a Service (ESS) Engineer/…

    Leidos (Washington, DC)
    …clearance** and **DOD 8570 IAT Level III** certification. + Hands-on experience with RedHat Enterprise Linux , VMware, Microsoft Hypervisor, or RedHat VM ... driven Endpoint Security as a Service (ESS) Engineer and Administrator to join our team at the Washington Navy...mission.** **What You'll Do** As an ESS Engineer and Administrator , you won't just maintain systems - you'll _elevate_… more
    Leidos (10/03/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …Family:** IT Infrastructure and Operations **Skills:** Information Technology (IT), Linux ,System Administration **Certifications:** CompTIA Security+ CE | CompTIA - ... smarter. Our work depends on a **Systems Administrators** with Linux and Windows Infrastructure experience to manage and maintain...**SYSTEMS ADMINISTRATORS** WILL MAKE AN IMPACT As the Systems Administrator on this contract, you will be on an… more
    General Dynamics Information Technology (09/06/25)
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  • Senior System Administrator

    RTX Corporation (Tucson, AZ)
    …Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Understanding and knowledge of Windows ... of hire date + Working experience in Windows Desktop & Server, or Redhat Enterprise Linux + Experience with data storage, NAS, and SAN technologies and solutions… more
    RTX Corporation (10/15/25)
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  • Senior Specialist, Systems Administration…

    L3Harris (Melbourne, FL)
    …professional to join the Managed Operational Support Services (OSS) team as a Linux System Administrator (Sys Admin). Responsibilities for this position include ... provisioning and managing the virtual environments (VM) and installing and configuring the Linux based Red Hat Operating System. The Sys Admin will also monitor and… more
    L3Harris (09/25/25)
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  • System Administrator 2

    Synergy ECP (Columbia, MD)
    System Administrator 2 Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Job Type Full-time Description System Administrator Level 2 Provides ... to improve reliability and performance. Requirements The Level 2 System Administrator shall possess the following capabilities: + Provide support for implementation,… more
    Synergy ECP (07/23/25)
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  • Senior Systems Administrator

    RTX Corporation (Tucson, AZ)
    …Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Understanding and knowledge of Windows ... and support IT infrastructures around the world. **Senior System Administrator ** , internally known as Senior Analyst, Information Workplace...Server internals or Linux fundamentals to include DNS, DHCP, AD, and server… more
    RTX Corporation (10/16/25)
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  • Entry Level or Mid Level System…

    Belay Technologies (Annapolis Junction, MD)
    …and a finalist in 2 021! Belay Technologies is seeking a Mid-Level System Administrator (SA2) to join our intel team. FC has on-call support compensation. Our OPS ... ITS Teams: Candidate has to have basic to strong Linux skills depending on years of experience and LCAT...years' experience installing software packages such as .iso and RedHat package Managers (rpm) Candidates are desired to have… more
    Belay Technologies (10/10/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Understanding and knowledge of Windows ... and support IT infrastructures around the world. **Senior System Administrator ,** internally known as Senior Analyst, Information Workplace Services...Server internals or Linux fundamentals to include DNS, DHCP, AD, and server… more
    RTX Corporation (10/03/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …Do:** . Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. . Understanding and knowledge of Windows ... and support IT infrastructures around the world. **Senior System Administrator ** , internally known as Senior Analyst, Information Workplace...Server internals or Linux fundamentals to include DNS, DHCP, AD, and server… more
    RTX Corporation (09/24/25)
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  • ACAS/ESS System Administrator

    General Dynamics Information Technology (Colorado Springs, CO)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** **ACAS/ESS Administrator ** Seize your opportunity to make a personal impact as an ... ACAS Administrator at the Fort Carson Colorado Mission Training Complex....+ Knowledge of ACAS experience/ vulnerability scanners. + Strong Linux Skills (Docker, Containers, Kubernetes, RHEL, Satellite, Scripting, Ansible… more
    General Dynamics Information Technology (10/11/25)
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