- A CNC operator, or CNC machinist, uses computer-controlled machinery to cut, bend, mill, and drill parts and tools. They also maintain and improve the machines. Skills and requirements Knowledge of CNC hardware and software Basic math skills, including addition, subtraction, multiplication, division, geometry, and algebra Ability to follow written and oral instructions Ability to stand, walk, reach, and lift Good vision, including close viA CNC operator, or CNC machinist, uses computer-controlled machinery to cut, bend, mill, and drill parts and tools. They also maintain and improve the machines. Skills and requirements Knowledge of CNC hardware and software Basic math skills, including addition, subtraction, multiplication, division, geometry, and algebra Ability to follow written and oral instructions Ability to stand, walk, reach, and lift Good vision, including close vi
