Typically requires an associate's degree, trade school certificate, military training, or equivalent in quality inspections or certification by a professional group such as ASQ or AWS, and five or more years of progressive experience in electrical, mechanical, electromechanical or metrology inspection and calibration. These include products such as the design and fabrication of linear motors, superconducting and conventional rotating motors, power inverters, high-energy capacitors, radiation monitoring systems, high-voltage direct current power distribution systems, and numerous other products.