Senior Mechanical Engineer - Test Equipment, Onsite (Tucson, AZ)

Senior Mechanical Engineer responsible for designing, developing, documenting, and sustaining complex test environment systems for Raytheon’s Test Equipment Engineering (TEE) Directorate. You will create mechanical test systems for vibration, thermal, hydraulic, RF, and electro‑optical environments, build and validate high-accuracy test solutions for production, diagnose issues, and mentor junior engineers across all phases of the test equipment lifecycle, onsite in Tucson, AZ.