Responsibilities: Sets up and operates conventional, special-purpose, and numerical control (NC) 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, machinability of materials, and layout techniques: Studies blueprints, sketches, drawings, manuals, specifications, or sample part to determine dimensions and tolerances of finished work piece, sequence of operations, and setup requirements. Machinist 3 Overview: Triumph Group designs, engineers, manufactures, repairs and overhauls a broad portfolio of aviation and industrial components, accessories, subassemblies, systems and aircraft structures.