CNC Machine Operator. Classification. Nonexempt. Salary Grade/Level. Reports to. Shift Manager. Date. 12/14/2015. JOB DESCRIPTION. Summary/Objective. The CNC machinist operates computer numerical control machines to fabricate parts. The CNC machinist loads parts in the machine, cycle’s machine and detects malfunctions in machine operations, such as worn or damaged cutting tools. The position runs production lots, communicates with co-workers rega...