• Sr . Principal Linux

    RTX Corporation (Tucson, AZ)
    …the integrity of our systems and support IT infrastructures around the world. ** Sr . Principal Linux System Administrators (SME),** internally known ... for a security clearance. + Experience with Red Hat Enterprise Linux (RHEL), including system installation, administration, patching, and troubleshooting… more
    RTX Corporation (10/02/25)
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  • Sr . Principal System Admin

    RTX Corporation (Tucson, AZ)
    …as only US citizens are eligible for a security clearance. + Experience supporting Linux and/or Windows operating systems . + Experience with but not limited to, ... secure world. **What You Will Do:** + Experience with Linux architecture, deployment, administration, networking, performance monitoring/tuning, security hardening,… more
    RTX Corporation (09/10/25)
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  • Sr . Principal Embedded Real-time…

    RTX Corporation (Tucson, AZ)
    …takes pride in the company and consistently delivers superior solutions. Our Senior Principal Embedded Real-Time Software Developer/Integrator is a technical ... (RTOS) (eg, Green Hills, Integrity, Wind River VxWorks, Linux , etc.) + Experience developing complex systems ...VxWorks, Linux , etc.) + Experience developing complex systems involving the integration of hardware, firmware, and software… more
    RTX Corporation (09/19/25)
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  • Principal Storage & Data Protection…

    RTX Corporation (Tucson, AZ)
    …and create end-of-end solutions to solve complex DT infrastructure problems. As a ** Senior Principal level System Administrator,** this role will require ... create a safer, more secure world. ** Sr . Principal Storage & Data Protection System Administrators**...and Data Protection systems . + Experience with Linux Operating System . (RHEL preferred) + Experience… more
    RTX Corporation (09/24/25)
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  • Senior Principal Test Systems

    RTX Corporation (Tucson, AZ)
    …world. We have an exciting opportunity for a full-time position of ** Senior ** **P** **rincipal** **Test Systems ** **Execution Lead Engineer** located **onsite** ... in a lab environment to work with weapon test system designers to understand requirements, design solutions, integrate, and...oral communication skills. + Experience with both Windows and Linux operating systems . + Knowledge of or… more
    RTX Corporation (09/18/25)
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  • Principal Modeling Simulation & Analysis…

    RTX Corporation (Tucson, AZ)
    …environments. Our software products empower the next generation of innovative weapons systems and advanced AI/ML solutions. We're looking for engineers who enjoy ... teams provide, develop, and maintain high fidelity performance simulations, evaluate system performance, support new business initiatives and develop & execute… more
    RTX Corporation (10/01/25)
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