
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 anomalies involving ceramics, composites, and advanced alloys. Key responsibilities include serving as a subject matter expert, driving technology adoption across multiple programs, and mentoring junior engineers. The role appeals to candidates seeking to contribute to national security missions within a collaborative, values-driven culture that prioritizes innovation and integrity. Candidates must maintain an active U.S. government security clearance and be prepared to work primarily on-site with occasional travel to support vendors and programs.
















