• Secret Cleared Windows and Linux

    Insight Global (San Diego, CA)
    Linux Servers Experience Running and Reviewing ACAS scans IAT LVL II or higher Active Linux Certification (One of the following): Linux . LPIC-2 Advanced ... Job Description Insight Global is seeking an admin to support a large government customer. This...Level Linux Professional . LPIC-3 Senior Level Linux Professional . RHCE Red… more
    Insight Global (11/26/25)
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  • Sr Linux Admin - Colorado

    Insight Global (Broomfield, CO)
    Job Description A leading company in the commercial space industry is looking for a Sr Linux Administrator to join their growing corporate IT Team. This company ... Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements 5+ years of Linux administration experience Expert with Linux more
    Insight Global (12/07/25)
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  • Senior Linux System Administrator

    GovCIO (Madison, WI)
    Linux administration duties will be included in this role. + Senior -level RedHat Linux server administration experience, experience with other ... **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active ...appropriate use of built-in functions and libraries + Advanced Linux System Administration , Configuration, and System Security… more
    GovCIO (11/07/25)
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  • Sr . Systems Engineer

    Bob's Discount Furniture (Manchester, CT)
    …Design & Optimization: Performance tuning, monitoring, and capacity planning + Systems Administration : Windows Server, Linux , Active Directory, DNS, DHCP, ... The Sr . Systems Engineer is responsible for the planning,...+ Microsoft Certified Engineer + Experience with Exchange, Citrix, Linux administration + Azure certifications (AZ-104, AZ-305,… more
    Bob's Discount Furniture (11/26/25)
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  • Sr Principal Linux Systems…

    Northrop Grumman (Melbourne, FL)
    …We Want You!** The Northrop Grumman Classified Solutions team is seeking an senior ** Linux Systems Administrator** to join its dynamic team of technical ... basic Microsoft Windows domain experience + 6+ years of Red Hat or equivalent Linux operating system administration experience + Understanding of basic LDAP, DNS… more
    Northrop Grumman (11/25/25)
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  • DreamWorks Technology - Sr . Systems…

    NBC Universal (Glendale, CA)
    …I need to have in order to do this job?" + Minimum 10+ years as a Senior Linux system administration in a large (500+system) environment + Develop tools ... to be completed during 2025. DreamWorks Animation is seeking a Senior Systems Administrator to join its multi-platform Infrastructure Engineering and Operations… more
    NBC Universal (11/25/25)
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  • Linux Systems Administrator, Sr

    Lockheed Martin (Sunnyvale, CA)
    …**Basic Qualifications:** * Active Secret clearance * Knowledge of Linux /UNIX Server Administration * Knowledge of scripting skills to automate ... span more than 70 countries\. We are hiring a Linux System Administrator, Sr to support daily...this position, the chosen candidate will utilize their system administration skills as primary IT support for a classified… more
    Lockheed Martin (11/20/25)
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  • Sr . Linux Systems Administrator

    RTX Corporation (Richardson, TX)
    …will be supporting a Raytheon program in a classified environment as a ** Sr . Linux System Administrator** . Responsibilities include building, maintaining, and ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (11/19/25)
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  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    Mantech seeks a motivated, career and customer-oriented ** Senior Linux System Administrator** to join our team in **Ft. Meade, MD** . In this role, you will ... Administration experience. + Must be proficient with troubleshooting in a Linux environment. **Security Clearance Requirements:** + Current/ Active TS/SCI with… more
    ManTech (10/25/25)
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  • Sr . Linux /Windows Systems…

    Lockheed Martin (King Of Prussia, PA)
    …experience, or equivalent experience/combined education\. * Experience with both Linux and Windows system administration , including installing, patching, ... resolution for all of the client/server/storage/network devices \- Patch and harden Linux RedHat OS and works with Security personnel to protect against Cyber… more
    Lockheed Martin (11/14/25)
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  • Sr . System Server Administrator - VMware,…

    TEKsystems (Corona, CA)
    …Windows Servers (emphasis on Windows server 2016 and newer) and 120 SUSE Linux (SLES 12 and SLES 15) including patching, monitoring server performance and service ... support tiers. - Leverage or build appropriate technical tools to perform administration tasks, root-cause analysis and service restoration (such as back up,… more
    TEKsystems (12/05/25)
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  • Linux Information Systems Analyst,…

    Lockheed Martin (King Of Prussia, PA)
    …\#EBDT **Basic Qualifications:** * Active Secret Clearance * Knowledge of Linux /UNIX Server Administration * Knowledge of scripting skills to automate tasks ... will support NSS Space programs\. This position requires an active DOD Secret clearance and is Onsite in our...of Prussia, PA secure facility\. **Your Mission:** As a Linux Information Systems Analyst, your responsibilities will include: *… more
    Lockheed Martin (11/26/25)
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  • ADMS System Admin I/II/ Sr

    PPL Corporation (Providence, RI)
    …processes, databases, networking, operating systems, auditing, and/or compliance desirable. ** Sr . ADMS System Admin :** 1.Bachelor's Degree in Information ... processes, databases, networking, operating systems, auditing, and/or compliance desirable. ** Sr . ADMS System Admin :** 1.Bachelor's Degree in Information… more
    PPL Corporation (09/27/25)
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  • Sr . System Admin , IT Engineer III

    TekSynap (Washington, DC)
    …a US Citizen + Must successfully obtain a Public Trust **Overview** We are seeking a Sr . Systems Admin , IT Engineer III to join our team supporting Joint Service ... **Responsibilities & Qualifications** **RESPONSIBILITIES** + Provide senior systems administrators and support to all incident escalation tickets that are unable to… more
    TekSynap (10/16/25)
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  • Sr . System Administrator

    RTX Corporation (Tucson, AZ)
    …+ Must have Linux or Windows experience. + Experience with Active Directory, VMware, Administration , backup and recovery. **Qualifications We Prefer** **:** ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (10/29/25)
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  • Sr . Specialist, System…

    L3Harris (Clifton, NJ)
    …land, sea and cyber domains in the interest of national security. Job Title: Sr . Specialist, System Administration Job Code: 31015 Job Location: Clifton, NJ Job ... systems administration skills with extensive knowledge of Windows and Linux desktop operating systems, as well as Windows server operating systems. Key… more
    L3Harris (11/08/25)
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  • Senior Network Systems Administrator - PDA

    General Dynamics Information Technology (Fort Bliss, TX)
    …updates/replacement application systems (Server, Internet Explorer (IE), .NET, Red hat Linux , McAfee, Active Directory, Doman Name, ESS ePO/Firewall/Policy/Rogue ... + Must have administrative knowledge of Microsoft Server 2019, Red hat Linux , Windows 11, SQLEXPRESS, ESS, ACAS, and Microsoft Hyper Visor. + Must hold or… more
    General Dynamics Information Technology (09/27/25)
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  • Senior Systems Administrator, Level 3…

    Lockheed Martin (Dahlgren, VA)
    …within 6 months\) * Windows Active Directory * Windows OS and/or UNIX/ LINUX administration experience * Active TS/SCI clearance with current adjudicated ... CI polygraph\. **Desired Skills:** * SPLUNK Administration * Red Hat Enterprise Linux * Windows Server 2016, 2019, 2022 Administration * Experience with… more
    Lockheed Martin (11/19/25)
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  • Principal/ Sr . Principal Systems…

    Northrop Grumman (Patuxent River, MD)
    …+ Ability to work after hours and weekends as needed. Basic Qualifications for a Senior Principal System Admin : + Bachelor's degree with 8 years of experience; ... Grumman Aeronautics Systems (NGAS) has an exciting career opportunity for a **Principal/ Sr . Principal Systems Administrator** to join the Ground Segment team of… more
    Northrop Grumman (09/18/25)
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  • Principal/ Sr Principal HPC Systems…

    Northrop Grumman (Jessup, MD)
    …+ Demonstrated experience analyzing and responding to customer requirements + Strong Linux systems administration proficiency (RHEL nice to have) + Strong ... + Demonstrated experience analyzing and responding to customer requirements + Strong Linux systems administration proficiency (RHEL nice to have) + Strong… more
    Northrop Grumman (12/05/25)
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