Essential Duties and Responsibilities: Below are examples of the type of duties you could be responsible for: Ability to set up, operate, and trouble shoot various pieces of equipment, including various types of presses, CNC, and other basic machinery. Physical Demands: As an Machine Operator, you are regularly required to stand, walk, lean, push, climb, sit, bend, kneel, stoop, handle, and operate tools or controls for the entirety of their shift.