Demonstrated ability to machine various plastics including WPP, NPP, FRPP, Polycarbonate, PVC, Acrylic, UHMW, Delrin, PTFE, PFA, and PVDF and other materials as they come up including metals. CNC Machinist Responsibilities: Set up and operate 3-5 Axis CNC mill machines or CNC lathes to machine flat, contoured and formed parts to inch and metric drawing specifications.