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. Integrated Air & Missile Defense Systems (IAMDS) department is seeking a Principal Systems Engineer (Modeling & Simulation). IAMDS leads all aspects of Systems Engineering that drive the development of complex systems to support the Raytheon Land and Air Defense Systems (LADS) mission area from our Tewksbury MA, and Andover MA locations. The IAMDS department supports Raytheon by cultivating a world-class group of systems thinkers who work together as a team to architect technical solutions to some of the world’s toughest challenges This position is onsite in Tewksbury, MA