• System Administrator , High

    RTX Corporation (Tucson, AZ)
    …US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current ** System Administrator , High Performance Computing (HPC) - ... + Perform OS tuning to maximize system performance on high performance computing systems . Work across DT functions to standardize processes and… more
    RTX Corporation (09/18/25)
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  • Principal Storage & Data Protection System

    RTX Corporation (Tucson, AZ)
    …infrastructure problems. + Assure a high level of reliability and performance through systems monitoring and infrastructure management. A deep understanding ... to solve complex DT infrastructure problems. As a **Senior Principal level System Administrator ,** this role will require a seasoned professional contributor… more
    RTX Corporation (09/24/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    systems and support IT infrastructures around the world. **Senior System Administrator ,** internally known as Senior Analyst, Information Workplace Services ... team to support exciting, critical programs with classified information system capabilities. Success in this role means you can...+ Experience with Microsoft WSUS, MECM, and/or Exchange + High Performance Computing (HPC) experience in a… more
    RTX Corporation (10/03/25)
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  • Sr. System Administrator

    RTX Corporation (Tucson, AZ)
    …our systems and support IT infrastructures around the world. **Senior System Administrator ** , internally known as Senior Analyst, Information Workplace ... simulations, and hardware development. .Experience with Microsoft WSUS, MECM, and/or Exchange . High Performance Computing (HPC) experience in a Linux environment… more
    RTX Corporation (09/24/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …and hardware development. + Experience with Microsoft WSUS, SMECP, and/or Exchange + High Performance Computing (HPC) experience in a Linux environment + ... technology solutions to prevent security threats, secure the integrity of our systems and support IT infrastructures around the world. **Principal System more
    RTX Corporation (10/02/25)
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  • Principal 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. **Principal System ... with a great team to support exciting, critical programs with classified information system capabilities. Success in this role means you can develop, implement and… more
    RTX Corporation (08/26/25)
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  • Principal System Administrator

    RTX Corporation (Tucson, AZ)
    …and hardware development + Experience with Microsoft WSUS, SCCM, and/or Exchange + High Performance Computing (HPC) experience in a Linux environment + Scripting ... technology solutions to prevent security threats, protect the integrity of our systems and support RTX's IT infrastructure around the world. **Principal System more
    RTX Corporation (09/16/25)
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  • Principal Systems Administrator

    RTX Corporation (Tucson, AZ)
    …processes. + Knowledge in the following areas: patch management, High Performance Computing, OS Upgrades, computer security, system monitoring and logging + ... Do:** + Experience with Linux architecture, deployment, administration, networking, performance monitoring/tuning, security hardening, and troubleshooting. + Integrated AD… more
    RTX Corporation (08/21/25)
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  • Principal Systems Administrator

    RTX Corporation (Tucson, AZ)
    …virtual computing methods. + Experience with Microsoft WSUS, MECM, and/or Exchange + High Performance Computing (HPC) experience in a Linux environment **What We ... world. **What You Will Do** : + Provide IT systems administration in a heterogeneous Microsoft Windows and Redhat...techniques to resolve technical problems of a moderate to high scope and complexity to include the integration of… more
    RTX Corporation (09/03/25)
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  • Senior Director, Department Administrator

    Banner Health (Tucson, AZ)
    …rational decisions in difficult situations; inspirational; honorable; confident; systems -thinker; innovative; life-long learner; courageous; high -energy; ... position has overall responsibility for the Department's financial and operational performance in its clinical practice, research, and educational and training… more
    Banner Health (08/13/25)
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  • Senior Database Administrator (Hybrid Work…

    CDM Smith (Tucson, AZ)
    …scripting. * Strong problem-solving skills and ability to monitor, troubleshoot, and optimize systems performance . * High -level knowledge of Oracle EBS ... database systems , related technical stack and related process including performance management and operational control. * Working experience in Unix Shell… more
    CDM Smith (09/16/25)
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  • Network Administrator , Senior Analyst,…

    RTX Corporation (Tucson, AZ)
    …team solves tough, meaningful problems that create a safer, more secure world. Join this high impact team as a Network Administrator (P2) to ensure the smooth ... a security clearance​ **Security Clearance:** Secret - Current **Network Administrator , Senior Analyst (P2)** **Senior Analyst, Information Workplace Services**… more
    RTX Corporation (09/24/25)
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  • Network Administrator

    Leidos (Tucson, AZ)
    **Description** **Leidos is on the hunt for a seasoned Network Administrator ** to join our elite team at **Davis Monthan AFB, AZ** ! This isn't just another tech ... Intelligence Surveillance and Reconnaissance (ISR)** operations. If you thrive in high -stakes environments and already hold a **TS/SCI security clearance** , this… more
    Leidos (10/01/25)
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  • Senior Director, Finance

    Banner Health (Tucson, AZ)
    …position is responsible for serving as a role model to staff across the system and representing Banner in a positive manner both within and outside the organization. ... Implements and evaluates strategic programs, develops effective tools to measure performance , analyzes related data, prepares reports, and makes recommendations to… more
    Banner Health (10/02/25)
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  • IT Support Technician

    Amentum (Tucson, AZ)
    …and innovation in determining how to accomplish tasks + Experience evaluating system performance results and recommending improvements or optimizations + ... teleconferencing and remote support. With your experience with Windows operating systems including patching and updates, Active Directory, data encryption, and… more
    Amentum (10/03/25)
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  • Senior Engineer, Cloud - Azure Architecture…

    Molina Healthcare (Tucson, AZ)
    …technology stack and SQL Server database, including but not limited to high availability, disaster recovery, security, compliance, performance consideration, and ... **Required Education** Bachelor's degree in computer science, computer information systems , or equivalent experience **Required Experience** * 5 or more… more
    Molina Healthcare (08/23/25)
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