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Sr HWIL Software Engineer

RTX (Raytheon)Us-Az-Tucson-805 ~ 1151 E Hermans Rd ~ Bldg 805, AZFull-time86,800 USD - 165,200 USD

This senior-level position is part of RTX's Hardware-in-the-Loop (HWIL) organization, which specializes in creating state-of-the-art flight simulation environments for missile testing before actual flight trials. The engineer will work within a multi-disciplinary team to develop real-time control software, establish build procedures, and integrate complex systems while ensuring compliance with hardware and software standards. The role encompasses software design and coding in C++, system architecture decisions, embedded systems expertise, and may include mentoring other developers. This position suits experienced engineers with strong embedded systems backgrounds who thrive in collaborative defense technology environments and want to contribute directly to advanced aerospace and defense capabilities.

Requirements

Bachelor's degree in Computer Science, Engineering, or STEM field with minimum 5 years relevant experienceProficiency in C++ with object-oriented programmingExperience in at least two of: Embedded Software, Embedded Security, RTOS (Linux, VxWorks), or Software Architecture DesignActive and transferable Secret-level DoD security clearance (U.S. citizenship required)Strong technical communication and cross-disciplinary collaboration skillsExperience with real-time systems, control modeling, or test equipment troubleshooting

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Listed July 28, 2026 · Verify details with the employer before applying.

About RTX (Raytheon)

Tucson houses Raytheon's missile and defense HQ producing precision-guided systems, and has flight-tested an AI/ML-powered Radar Warning Receiver.

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