• System Administrator

    Leidos (Omaha, NE)
    **Description** **System Administrator (Offutt AFB) - Leidos** Do mission-critical infrastructure and cutting-edge cloud migrations get your pulse racing? At Leidos, ... you'll be the linchpin of Air Force ISR operations-building rock-solid Windows/ Linux environments, safeguarding top-secret data, and architecting the next wave of… more
    Leidos (09/25/25)
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  • System Administrator I

    General Dynamics Information Technology (Annapolis Junction, MD)
    …years of related experience **US Citizenship Required:** Yes **Job Description:** Systems Administrator 1 Provides support for implementation, troubleshooting ... and remains involved in the resolution process. Configures and manages UNIX, Linux and Windows operating systems and installs/loads operating system software,… more
    General Dynamics Information Technology (07/31/25)
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  • System Administrator Multi-Disciplined

    RTX Corporation (El Segundo, CA)
    …+ Manage ESXi, VCenter and a functional understanding of VDI. + Experience with Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and ... Server , Active Directory, WSUS, VMware, BackupExec, NetBackup, prior systems administration and networking administration experience, Windows or Linux … more
    RTX Corporation (09/23/25)
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  • Sr. Principal System Administrator

    RTX Corporation (Plano, TX)
    … systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Linux Server management to include installation, ... configuration, and maintenance. + Windows Server management fundamentals to include DNS,...and business continuity + Design, implement, and maintain storage systems to ensure data integrity, availability, and optimal performance.… more
    RTX Corporation (09/09/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …distributed teams across multiple geographic locations + Experience managing Windows and Linux server environments + Knowledge of network security, firewalls, ... contingent upon award. Job Description: SimIS, Inc. seeks a Senior Systems Engineer to lead systems engineering activities for a US Navy Training Command. This… more
    SimIS Inc. (09/22/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …firmware updates, system and network troubleshooting, and system integration of Unix and Linux operating systems running on SPARC/x86 hardware supporting the ONI ... Cross Domain Solutions Administrator (ONI)Suitland, MD **Requires US Citizenship** **Employment Term...systems + Installation, configuration and system hardening of Unix/ Linux operating systems + Installation and configuration… more
    FGS, LLC (08/23/25)
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  • System Administrator

    Robert Half Technology (Orlando, FL)
    …Network Administrator , or similar role. + Strong knowledge of Windows/ Linux server environments. + Experience with virtualization technologies (VMware, ... Description We are seeking a skilled and detail-oriented System Administrator to manage, maintain, and optimize our IT infrastructure. The ideal candidate will be… more
    Robert Half Technology (09/16/25)
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  • Network Administrator /Engineer

    Alaka'ina Foundation Family of Companies (Maui County, HI)
    …7 workstations, Windows 10 workstations, Windows Server 2008, and Windows Server 2012, Red Hat Enterprise Linux (RHEL), Network Printers, Commercial Mobile ... Network Administrator /Engineer Location HI - Maui Job Code 13326...compliance. + Apply and maintain network management Automated Information Systems (AIS) to include SolarWinds, Splunk, Puppet, Cisco Identity… more
    Alaka'ina Foundation Family of Companies (08/28/25)
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  • System Administrator Apprentice

    RTX Corporation (Tucson, AZ)
    … principles, and safeguards + Basic Windows scripting + Experience with Windows and/or Linux Server Operating Systems (OS) + Experience DNS, DHCP, Active ... environment. + Understanding and gaining knowledge of Windows Server internals or Linux fundamentals to include...Linux fundamentals to include DNS, DHCP, AD, and server replication methods. + Manage Information Systems … more
    RTX Corporation (09/30/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …and Redhat Enterprise Linux environment. + Understanding and knowledge of Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, and ... solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Principal System Administrators,**… more
    RTX Corporation (10/02/25)
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