• Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …and license configuration; and workstation support. + Experience with troubleshooting, patching, and support Linux , ESXi and Windows Systems . + Work as a ... You Will Do** + We are seeking an experienced Linux Administrator that will be working in... systems hardware and software related to a Linux / Windows infrastructure for classified programs. Duties include,… more
    RTX Corporation (09/26/25)
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  • Systems Administrator II…

    TEKsystems (Corona, CA)
    …Servers (emphasis on Windows server 2016 and newer) and 120 SUSE Linux (SLES 12 and SLES 15) including patching, monitoring server performance and service ... Experience Desired: - More than 5 years of experience in managing and troubleshooting Linux operating systems , especially SUSE Linux . - Computer Skills… more
    TEKsystems (11/16/25)
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  • System Engineer, Linux…

    DeVine Consulting, Inc. (Monterey, CA)
    …SSCP) Certification + CE/OS Certification + Experience serving as a system administrator for Microsoft O365, VMWare,Vsphere and NsX-T, Linux Red Hat, ... the responsibilities of proper configuration and support of domain system servers, SAN, NAS, backup systems , identity...maintaining a high availability datacenter + Expertise in operating systems ( Windows , Linux ), networking protocols,… more
    DeVine Consulting, Inc. (09/07/25)
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  • Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …NetBackup, prior systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. ... more secure world. What You Will Do: Provide IT systems administration in a heterogeneous RedHat Enterprise / Microsoft...and deploy Red Hat Podman containers. Experience with Server, Windows Server internals or Linux fundamentals to… more
    RTX Corporation (10/21/25)
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  • Principal Windows Systems…

    RTX Corporation (El Segundo, CA)
    …Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + Collaborate in a fast-paced ... meaningful problems that create a safer, more secure world. **Principal System Administrator ** in infrastructure Workplace Services, collaborates with many… more
    RTX Corporation (11/18/25)
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  • Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and RedHat Enterprise Linux environment. + Experience with Windows ... high scope and complexity to include the integration of hardware and operating systems (OS). + Experience with data RAID, data backup uses and technologies. Install… more
    RTX Corporation (10/21/25)
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  • Senior Principal Windows System…

    RTX Corporation (El Segundo, CA)
    …Backup and Recovery. + Provide IT systems administration in a Microsoft Windows and Red Hat Enterprise Linux environment. + Experience leading technical ... and mentor + Oversee administrators whose duties may include setting up administrator and service accounts, maintaining system documentation, tuning system… more
    RTX Corporation (10/24/25)
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  • IT System Administrator III

    IMRI (Los Angeles, CA)
    IT System Administrator III Apply Now! Back to search Location: Los Angeles, CA Posted: 10/20/2025 Location Name: Los Angeles Area Wage Max: 58.00 Hourly Wage ... the digital landscape, committed to empowering organizations with our innovative solutions. IT System Administrator III (Temporary Assignment - Up to 6 Months)… more
    IMRI (10/21/25)
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  • Sr. Specialist, Systems…

    L3Harris (Carlsbad, CA)
    …ideal candidate will be responsible for maintaining the integrity and security of both Windows and Linux system infrastructures. This role involves a blend ... the interest of national security. Job Title: Sr. Specialist, Systems Administrator Job Code: 29595 Job Location:...Essential Functions: + Administer and support daily operations of Windows and Linux servers, ensuring system… more
    L3Harris (10/05/25)
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  • IT Systems Administrator - Top…

    SpaceX (Hawthorne, CA)
    IT Systems Administrator - Top Secret Clearance Hawthorne, CA Apply SpaceX was founded under the belief that a future where humanity is out exploring the stars ... to make this possible, with the ultimate goal of enabling human life on Mars. IT SYSTEMS ADMINISTRATOR - TOP SECRET CLEARANCE SpaceX is looking for a Systems … more
    SpaceX (10/11/25)
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