Working knowledge of thermocouples, temperature monitoring, insulation resistance and leakage-current measurements, electrical safety practices, and reliability test methods including Temperature Cycling, THB (85°C/85% RH), Condensation Testing, Burn-In, HALT/HASS, Vibration Testing, and Reliability Demonstration Testing. This role is responsible for preparing test samples, building and maintaining test fixtures, operating environmental and vibration test equipment, monitoring long-term reliability tests, documenting results, and supporting failure analysis activities.