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Updated daily · Sep 2, 2026
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HWIL Software Engineer II

RTX (Raytheon)Tucson, AZ$68,900 - $131,100 USD

This engineer works in RTX’s Effectors Center within the Hardware-in-the-Loop organization, creating and supporting simulator environments used before missile flight testing. Responsibilities include analyzing user and system needs, designing software and build processes, integrating code with hardware, and maintaining quality and configuration standards in real-time systems. The position may also involve control modeling, technical documentation, troubleshooting, and helping other developers follow software practices and tools. It suits a software engineer with at least two years of relevant experience, strong C++ and embedded-systems knowledge, and an interest in working across hardware, networking, electronics, and test disciplines. The role is fully onsite in Tucson and requires an active Secret U.S. government clearance before starting.

Requirements

Bachelor’s degree in computer science, engineering, or related STEM field plus 2+ years of relevant experienceObject-oriented C++ software development experienceExperience in at least two areas including embedded software, embedded security, embedded operating systems, or software architectureActive, transferable Secret U.S. security clearance and U.S. citizenshipAbility to develop and integrate software in real-time environmentsStrong teamwork, planning, communication, and technical documentation skills
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Listed September 2, 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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