• Sr. Principal System Admin

    RTX Corporation (Tucson, AZ)
    …US citizens are eligible for a security clearance. + Experience supporting Linux and/or Windows operating systems . + Experience with but not limited to, Active ... You Will Do:** + Experience with Linux architecture, deployment, administration , networking, performance monitoring/tuning, security hardening, and troubleshooting. +… more
    RTX Corporation (09/10/25)
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  • Principal Systems Administrator

    RTX Corporation (Tucson, AZ)
    …more secure world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux environment. + ... Experience with Windows Server internals or Linux fundamentals to include DNS,...complexity to include the integration of hardware and operating systems (OS). + Must be able to obtain Department… more
    RTX Corporation (09/03/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …infrastructure problems. **What You Will Do:** . Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux ... US citizens are eligible for a security clearance. .Must have Linux or Windows experience. .Experience with Active Directory, VMware, Administration , backup and… more
    RTX Corporation (09/24/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux ... citizens are eligible for a security clearance. + Must have Linux or Windows experience. Experience with Active Directory, VMware, Administration , backup and… more
    RTX Corporation (08/26/25)
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