• Information Systems Security Officer…

    BAE Systems (Tucson, AZ)
    …Experience, & Skills** + Active DoD TS/SCI security clearance + Experience in systems administration and cybersecurity operations and training + Experience with ... with DoD 8570.01-M IAT Level II baseline certification. + Extended experience with Windows and Linux operating systems + Highly familiar with cybersecurity… more
    BAE Systems (10/21/25)
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  • Fulltime Raytheon - Information Systems

    RTX Corporation (Tucson, AZ)
    …relevant professional work experience (excluding internships). + Experience with systems administration of Linux, Networking, and or Windows (in desktop or ... Missile Systems + Developing Cybersecurity compliant TE (Linux, IOS, Windows ) + Installation, administration , maintenance, & troubleshooting of COTS and… more
    RTX Corporation (11/14/25)
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  • Senior Information Systems Engineer…

    RTX Corporation (Tucson, AZ)
    …+ **Minimum** five (5) years of relevant experience with systems administration of Linux, Networking, and/or Windows (in desktop or server environments) ... maintain test integrity and the availability of our test systems . This position is **100% ONSITE ** in...systems + Develop Cybersecurity compliant **TE** (Linux, IOS, Windows ) + Install software packages/updates to enhance operations and… more
    RTX Corporation (11/10/25)
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  • Principal Information Systems Engineer…

    RTX Corporation (Tucson, AZ)
    …(STEM) + Minimum eight (8) years of relevant experience with systems administration of Linux, Networking, and or Windows (in desktop or server environments) ... test systems + Develop Cybersecurity compliant TE (Linux, IOS, Windows ) + Install software packages/updates to enhance operations and testing of production… more
    RTX Corporation (11/10/25)
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  • Information Systems Engineer II…

    RTX Corporation (Tucson, AZ)
    …(STEM) + Minimum of two (2) years of prior experience with systems administration of Linux, Networking, and/or Windows (in desktop or server environments). + ... test systems + Develop Cybersecurity compliant TE (Linux, IOS, Windows ) + Install software packages/updates to enhance operations/testing of production hardware… more
    RTX Corporation (11/10/25)
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  • Information Systems Engineer II…

    RTX Corporation (Tucson, AZ)
    …(STEM) + Minimum of two (2) years of relevant experience with systems administration of Linux, Networking, and or Windows (in desktop or server environments) ... Hermans Road Building 801, Tucson, AZ, 85756 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and… more
    RTX Corporation (11/08/25)
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  • System Administrator- Mid-Level- Windows

    Motion Recruitment Partners (Phoenix, AZ)
    System Administrator- Mid-Level- Windows Phoenix, Arizona ** Onsite ** Contract $20/hr - $30/hr **A local fire safety technology company in Phoenix, Arizona is ... work closely with internal users and technical staff to ensure the systems that support the organization's life safety operations run smoothly and efficiently.**… more
    Motion Recruitment Partners (11/04/25)
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  • System Administrator, High Performance Computing…

    RTX Corporation (Tucson, AZ)
    …(HPC) candidate will provide Raytheon Digital Technology with High Performance Computing Administration in a heterogeneous Microsoft Windows and Red Hat ... + An active DoD Top-Secret Clearance. + Advanced hands-on experience with Windows and Unix security hardening, systems integrations, advanced troubleshooting,… more
    RTX Corporation (10/24/25)
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  • Senior Information Systems Security Officer…

    RTX Corporation (Tucson, AZ)
    …Hermans Road Building 928, Tucson, AZ, 85706 USA **Position Role Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and ... world. Our cybersecurity team is seeking a **Senior Information Systems Security Officer (ISSO)** to support our team **100%... Security Officer (ISSO)** to support our team **100% onsite ** at our facility in **Tucson, Arizona.** The successful… more
    RTX Corporation (11/18/25)
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  • Senior Systems Administrator

    RTX Corporation (Tucson, AZ)
    …infrastructure problems. **What You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat Enterprise Linux ... or Windows experience. + Experience with Active Directory, VMware, Administration , backup and recovery. **Qualifications We Prefer** **:** + Department of… more
    RTX Corporation (10/16/25)
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