A professional who tests developmental semiconductor devices or sample production units, and evaluates test equipment to develop data for engineering evaluation of new designs or special production yield study, applying knowledge of electronic theory and test equipment operating principles. Responsibilities include:

• Designs basic circuitry and prepares rough sketches for design documentation as directed by engineers, using drafting instruments and computer-assisted design/drafting equipment.
• Evaluates, calibrates, and tests new equipment circuits and fixtures, using testing equipment, such as oscilloscopes, logic and test probes, and calibrators.
• Builds and modifies electronic components, using handtools and power tools.
• Assists engineers in development of testing techniques and laboratory equipment.
• Assists with equipment maintenance.
• Liaises between test project sites to ensure orderly flow of information and materials.
• May supervise other technicians in unit.