• Sr. Linux / Windows Systems

    Lockheed Martin (King Of Prussia, PA)
    … system administration , including installing, patching, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and ... to obtain/maintain DoD Top Secret Clearance **Desired Skills:** * Windows and Linux OS patching/security hardening in...be required within 6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator… more
    Lockheed Martin (09/24/25)
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  • Windows Linux Systems

    General Dynamics Information Technology (Fort Belvoir, VA)
    …+ Perform administrative support for both Windows and Linux environments on physical systems and virtual desktops (EVDI). + Troubleshoot ... Required:** None **Job Family:** IT Infrastructure and Operations **Skills:** Linux ,System Administration , Windows Applications **Certifications:** CompTIA… more
    General Dynamics Information Technology (07/16/25)
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  • Senior Systems Administrator…

    Mount Sinai Health System (New York, NY)
    …researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing ... best practices. + At least 6 years of experience in designing, administering and troubleshooting Linux and Windows systems , storage systems , network and… more
    Mount Sinai Health System (09/22/25)
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  • Senior Systems Administrator - Linux

    ICF (Reston, VA)
    …frameworks. **Required Qualifications:** + 6+ years of experience demonstrated experience with Linux and Windows Administration , including Shell Scripting. + ... and customer-facing Senior Systems Administrator to support Linux and Windows environments for a critical...BS degree + 1+ years of experience with DNS Administration + 1+ years of experience in core networking… more
    ICF (09/27/25)
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  • Linux / Windows Senior…

    Lockheed Martin (San Diego, CA)
    …Qualifications:** \- Solid background/experience with Red Hat Enterprise \- Microsoft Windows Server Setup, Configuration, and Administration \- Experience ... looking for highly motivated, experienced individuals to perform network/system administration and support on a variety of complex platforms... \- Experience with server and desktop management of Linux and Windows environments \- Familiar with… more
    Lockheed Martin (07/12/25)
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  • Sr. Linux Systems Administrator

    RTX Corporation (El Segundo, CA)
    …Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. + Working as a team member in ... Top Secret security clearance is preferred. + Experience with Linux and Windows Operating Systems . + Experience with VMware administration including ESXi… more
    RTX Corporation (09/24/25)
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  • Senior IT Manager ( Windows Server)

    Fiserv (Irving, TX)
    …experience in designing, installation, configuration, administration and troubleshooting of Windows / Linux Infrastructure and systems security in a ... range of technical duties associated with Linux , Windows , Solaris and AIX operating systems in...across multiple Datacenters. Some of those duties include 24X7 systems administration , compliance management, immediate response, and/or… more
    Fiserv (09/12/25)
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  • Linux System Administrator

    Binghamton University (Binghamton, NY)
    … Administrators to develop, support, and maintain services and integrations with various Linux and Windows based systems /servers across the university. The ... Analyst (SL-3) Salary: Commensurate with qualifications and experience The Linux Systems Administrator is a technical team...with Windows Powershell scripting + Experience with Windows server administration is a plus Visa… more
    Binghamton University (07/23/25)
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  • Systems Admin II

    BAE Systems (Endicott, NY)
    … administrator to support BAE's classified and unclassified lab environments that use Windows and Linux networked systems , with expertise in setting ... this role, you will build, configure, administer and troubleshoot Windows (and Linux ) servers and user workstation...be available based on position level and/or job specifics. ** Systems Admin II** **115724BR** EEO Career Site… more
    BAE Systems (09/09/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …for a degree. + 20+ years of related experience in systems administration or IT operations. + Experience with Linux , including installation, configuration, ... resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance… more
    ManTech (07/15/25)
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