At Raytheon, 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 are looking for an experienced and highly skilled Senior Principal Software Validation Test Engineer to drive testing initiatives and mentor fellow engineers within our Patriot Software Team in Tewksbury, Massachusetts. In this role, you will not only design, implement, and execute tests, but also take on critical leadership responsibilities such as test planning, guiding the team, and reporting on progress. You will collaborate closely with software developers, system architects, and product leads to ensure our solutions align with customer requirements. As part of the development team for the world's leading air defense system, Patriot, you will help drive software advancements for new system capabilities. This position offers an exciting opportunity to work in a fast-paced, dynamic environment where your contributions will directly influence the global success of our products.