• Systems Administrator ( Linux

    RTX Corporation (Mckinney, TX)
    …intelligent solutions for the global aerospace and defense industry. We are currently seeking a Linux Systems Administrator that will be working onsite in a ... highly collaborative, multi-platform and multi-disciplined environment. The Systems Administrator is required to have an...Administration in a heterogeneous Redhat 7 & 8 Enterprise Linux environment. + Understanding and knowledge of Linux more
    RTX Corporation (12/02/25)
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  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …29921 Job Location: Greenville, TX Schedule: 9/80 Job Description: L3Harris is seeking a Linux Systems Administrator to support Mission System integration in ... Essential Functions: + Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux , Windows, and Network operations +… more
    L3Harris (10/17/25)
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  • Principal Linux Administrator

    RTX Corporation (Mckinney, TX)
    …RTX **Enterprise Services** team: **Role Overview:** RTX is seeking a Principal Linux Administrator to support a highly virtualized Enterprise infrastructure ... and software. + Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply security policies specific to … more
    RTX Corporation (11/19/25)
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  • Senior Linux Administrator

    RTX Corporation (Mckinney, TX)
    …world. **What You Will Do:** + Administer, patch, and harden Red Hat Enterprise Linux (RHEL) and related distributions. + Work with Cyber to maintain and monitor ... performance, and logs using enterprise tools. + Configure and maintain STIG-compliant systems in accordance with DoD security standards. + Automate system tasks… more
    RTX Corporation (11/21/25)
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  • Principal Storage Administrator

    RTX Corporation (Mckinney, TX)
    systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. + Experience with ... world. **What You Will Do:** + Administer, configure, and maintain storage systems (ie NetApp AFF/FAS and/or hybrid environments running ONTAP. + Manage storage… more
    RTX Corporation (10/15/25)
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  • Senior Specialist, Network Systems Engineer

    L3Harris (Greenville, TX)
    …cyber domains in the interest of national security. Job Title: Senior, Network Systems Engineering Job Code: 31328 Job Location: Greenville, Texas Schedule: 9/80 Job ... Description: The Senior Specialist, Systems Engineering - Network Engineer (NE) performs technical planning,...Professional (ACE-P) + Palo Alto Networks Certified Network Security Administrator (PCNSA) + Current Top Secret security clearance +… more
    L3Harris (12/03/25)
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