• System Administrator, High Performance…

    RTX Corporation (Tucson, AZ)
    …to lead and support the engineering community. + Perform OS tuning to maximize system performance on high performance computing systems . Work across DT functions ... are eligible for a security clearance. + Experience in Windows and/or Linux Server Environments including directory services management, and system hardening. +… more
    RTX Corporation (09/18/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, protect the integrity of our systems and support RTX's IT infrastructure around the world. **Principal System ... with many teams to support fast-paced, critical programs with classified information system capabilities. Success in this role means you can develop, implement and… more
    RTX Corporation (09/16/25)
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  • System Administrator Apprentice

    RTX Corporation (Tucson, AZ)
    Server internals or Linux fundamentals to include DNS, DHCP, AD, and server replication methods. + Manage Information Systems by using the command line ... and safeguards + Basic Windows scripting + Experience with Windows and/or Linux Server Operating Systems (OS) + Experience DNS, DHCP, Active Directory, Backup… more
    RTX Corporation (09/30/25)
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  • Principal System Administrator (Sipr)

    RTX Corporation (Tucson, AZ)
    …in a heterogeneous Microsoft Windows environment supporting SIPR and other information systems . + Understanding and knowledge of Windows Server internals to ... technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Principal System more
    RTX Corporation (08/26/25)
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  • Principal Storage & Data Protection System

    RTX Corporation (Tucson, AZ)
    …interim clearance is obtained.** + Experience working with Storage and Data Protection systems . + Experience with Linux Operating System . (RHEL preferred) + ... a safer, more secure world. **Sr. Principal Storage & Data Protection System Administrators** collaborate with a motivated team to support fast-paced, critical… more
    RTX Corporation (09/24/25)
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  • Sr. Principal System Admin

    RTX Corporation (Tucson, AZ)
    …and multi- server environment/deployment Experience with an IT incident/service request system . + Experience with HP server hardware support and diagnosis. ... with SMTP, DHCP, DNS, NIS, LDAP, CIFS, NFS, Samba and *NIX system security. + Experience with infrastructure backup, restore, disaster recovery and business… more
    RTX Corporation (09/10/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Senior System ... with many team to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement, and… more
    RTX Corporation (09/24/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Senior System ... Services collaborate and support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement,… more
    RTX Corporation (08/26/25)
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  • Raytheon Intern - Information Systems

    RTX Corporation (Tucson, AZ)
    …(Sec+, CySA+, etc.). + Strong knowledge and experience with Linux (operating systems in desktop and server environments). + Excellent troubleshooting ability ... administration of Linux, Networking, or Windows (in desktop or server environments). + Experience with user account management, software...with all Microsoft Windows and Linux systems to quickly return system to operational… more
    RTX Corporation (10/01/25)
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  • Principal Information Systems Engineer…

    RTX Corporation (Tucson, AZ)
    …The Test Equipment Engineering **(TEE)** includes the engineering disciplines responsible for systems design & test with all Raytheon products. Our engineers are ... the development lifecycle for test including: test requirements, test system design, flight simulations, hardware-in-the-loop, computer-in-the-loop, advanced engineering prototyping… more
    RTX Corporation (09/13/25)
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