
This onsite role within the Materials and Process Engineering Department at Raytheon in Tucson, Arizona, seeks a Senior Principal High Temperature Materials Engineer to lead technical strategy for defense systems. The position involves defining design verification requirements, developing high-fidelity simulations for missile systems, and resolving complex material challenges involving ceramics, composites, and advanced alloys. Key responsibilities include managing cross-functional teams, mentoring engineers, and driving the integration of high-temperature technologies into deliverable products. The role appeals to experts seeking to contribute to national security missions within a collaborative culture that values innovation and technical integrity. Candidates must maintain an active U.S. government security clearance and be prepared to work primarily on-site with occasional travel to support programs and vendors.










