Lead Mechanical Test Systems Engineer - Onsite Tucson

RTX seeks a Principal Mechanical Engineer in Tucson, AZ for on-site work in Raytheon’s Test Equipment Engineering Directorate (TEE). Requires 8+ years in mechanical design, proficient in CAD (ProE/CREO) and GD&T, with Windchill/cPDM experience. Responsibilities include designing test systems and validating them against strict spec accuracy and reliability. The role emphasizes hands-on engineering across vibration, thermal, hydraulic, RF, and electro-optical domains, with opportunities to