The Test Equipment Engineering (TEE) organization within RTX drives business success by providing a variety of critical engineering services across product lines and functions. At RTX, the foundation of everything we do is rooted in our values and a higher calling - to help our nation and allies defend freedoms and deter aggression. We bring the strength of more than 100 years of experience and renowned engineering expertise to meet the needs of today's mission and stay ahead of tomorrow's threat. Our team solves tough, meaningful problems that create a safer, more secure world. We have an exciting opportunity for a full-time position of Senior Principal Test Systems Execution Lead Engineer located onsite in Tucson, Arizona. This position requires experience in a lab environment to work with weapon test system designers to understand requirements, design solutions, integrate, and deploy the systems to help support test and tactical software development, testing, and delivery of missiles to the warfighter.