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Updated daily · Sep 16, 2026
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Senior Principal Software Engineer with Test Equipment

RTX (Raytheon)Tucson, AZFull-time$132,400 - $251,600 USD

This engineer will guide the design and development of software-driven test equipment while resolving issues across applications, instrumentation, electronics, and laboratory systems. The position supports production priorities, contributes to planning and budgeting, and communicates progress and risks to program leadership. The team works with technologies such as C++, C#, Java, Python, Windows, Visual Studio, Azure DevOps, and National Instruments test tools. The role is well suited to an experienced software and test engineering leader who can manage complex technical efforts and collaborate effectively with program management. Work is fully onsite in Tucson, Arizona, and requires U.S. citizenship plus the ability to obtain an interim Secret clearance before starting.

Requirements

Bachelor's degree in STEM with 10+ years relevant experience, or Advanced degree with 7+ years experience10+ years developing software applications in C++, C#, Java, Python, or Visual Basic with integrated development environments10+ years professional engineering experience troubleshooting software using debugging tools and ensuring product integrityProficiency with Windows OS, Microsoft Visual Studio, and Azure DevOps Server; familiarity with NI VISA and instrumentation software2+ years managing test equipment on DoD-compliant systems in program manager or project lead capacityActive or ability to obtain DoD Secret security clearance; U.S. citizenship required
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Listed July 29, 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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