Ability to detect and correct defects in various types of electronic, instrumentation, and electrical equipment; ability to understand and follow oral and written instructions and to interpret blueprints, sketches, and diagrams; ability to establish and maintain effective working relationships with other employees; skill in the use and maintenance of electronic equipment, 480 volt control systems, and testing devices. Knowledge: Knowledge of practices, methods, materials, and equipment used in electronic installations, complex relay logic, maintenance, repair, and testing; knowledge of the occupational hazards and safety precautions of the work; knowledge of PLC, preferably Allen-Bradley equipment; knowledge of PC operations.