• Senior Linux System Administrator

    BAE Systems (San Diego, CA)
    …career with BAE Systems. BAE Systems is seeking a Senior Closed Area Linux Systems Administrator to provide comprehensive technical and operational support for ... school diploma or (4 years of experience with a degree) as a system administrator in a Linux OS environment. Direct experience configuring and managing… more
    BAE Systems (07/31/25)
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  • Linux Systems Administrator , SME

    UIC Government Services and the Bowhead Family of Companies (Corona, CA)
    **Overview** Bowhead is seeking a highly skilled and experienced Linux System Administrator SME to join our dynamic IT team. This is a 100% onsite position ... Systems Administrator administers and supports daily operational requirements. * Linux Systems Administration: Install, configure, and maintain Linux servers… more
    UIC Government Services and the Bowhead Family of Companies (07/03/25)
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  • Sr. Principal Linux Systems…

    RTX Corporation (El Segundo, CA)
    …eligible for a security clearance​ **Security Clearance:** TS/SCI with Polygraph **Sr. Principal Linux Systems Administrator - El Segundo, CA -Must have a TS/SCI ... problems that create a safer, more secure world. **Sr Principal System Administrator ** in infrastructure Workplace Services, collaborate with a many teams to support… more
    RTX Corporation (08/01/25)
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  • Linux System Administrator

    Leidos (San Diego, CA)
    …the Maritime Systems Division (MSD) is seeking an experienced, dynamic, and highly capable Linux system administrator to join the Leidos team at a customer site ... platform signature measurement. Key Responsibilities: * Install, configure, and maintain Linux -based servers and systems (RedHat, CentOS, Ubuntu, etc.). * Manage… more
    Leidos (07/18/25)
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  • Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …solutions and documentation to a variety of technical problems. + Experience using VMWare vCenter, vSphere, Linux Desktops, Windows desktops (Windows 10, 11), ... Red Hat Podman containers. + Experience with Server, Windows Server internals or Linux fundamentals to include DNS, DHCP, AD, RAID, backup and server replication… more
    RTX Corporation (06/23/25)
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  • Linux / Unix Systems Administrator

    Lockheed Martin (Sunnyvale, CA)
    …National Security Space programs in Sunnyvale, CA\. **Your Mission:** As a Linux Information Systems Administrator , your responsibilities will include: * ... RedHat Enterprise Linux \(RHEL\) * Experience administering virtual machines with VMWare ESXi * Experience with Solaris and CentOS * Advanced proficiency in… more
    Lockheed Martin (07/12/25)
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  • Linux System Administrator , Senior…

    GovCIO (Sacramento, CA)
    **Overview** GovCIO is hiring a Windows and Linux System Administrator (Senior) to support Veterans Affairs operational needs. The role requires AWS, Windows, ... /Yr. Submit a referral to this job (https://careers-govcio.icims.com/jobs/6366/ linux -system- administrator %2c-senior-%28remote%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834385473) **Location** _US-Remote_ **ID** _2025-6366_… more
    GovCIO (07/25/25)
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  • Principal Linux System Administrator

    RTX Corporation (El Segundo, CA)
    …+ CompTIA Security+ certification or other industry-recognized certifications relevant to a Linux System Administrator + BASH Scripting + ITIL Foundations and/or ... as only US citizens are eligible for a security clearance. + Linux and/or Windows systems administration experience. **Qualifications We Prefer:** + Experience… more
    RTX Corporation (07/03/25)
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  • Principal Linux System Administrator

    RTX Corporation (El Segundo, CA)
    …You Will Do:** + Implement and maintain an enterprise Linux environment including system administration, networking, performance monitoring/tuning, security ... Tenable Nessus). + Leverage experience with Windows server, virtual servers, or Linux fundamentals that include DNS, DHCP, Active Directory, RAID, backup, restore… more
    RTX Corporation (08/08/25)
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  • Endpoint Linux Systems Administrator

    US Tech Solutions (Milpitas, CA)
    **Job Description:** + The client is deploying security tools on Windows and Linux endpoints so that all endpoint systems are managed and in compliance with cyber ... CA location. + This individual will be accountable for Windows endpoints, Linux endpoints in various Engineering Groups. + Responsibilities on the above systems… more
    US Tech Solutions (07/18/25)
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