Performs simple to complex set-ups and operation of conventional, special-purpose, and computerized numerical control (CNC) machines and machining centers to fabricate metallic and nonmetallic parts and fits and assembles machined parts into complete units, applying knowledge of machine shop theory and procedures, shop mathematics, machine ability of materials, and layout techniques. Understand, calculate, and set controls to regulate machining factors, such as speed, feed, coolant flow, and enter command to retrieve, input, or edit computerized machine control media; observes machine operation to detect malfunctions or out-of-tolerance machining and adjusts machine controls or control media, as required.