CNC Machinist/Programmer

Hourly Job Description

Job Title:          CNC Machinist/Programmer

Department:     Machining                                                                 FLSA Status:               Non Exempt

Reports To:     Director of Engineer                                              Date Approved:          07/09/18


Produces machined parts by programming, setting up, and operating a computer numerical control (CNC) machine; maintaining quality and safety standards; keeping records; maintaining equipment and supplies.  The Programmer must be current with WorkNC software and has an excellent understanding of 2D & 3D.


  • Plans machining by studying work orders, blueprints, engineering plans, materials, specifications, orthographic drawings, reference planes, locations of surfaces, and machining parameters; interpreting geometric dimensions and tolerances (GD&T)
  • Plans stock inventory by checking stock to determine amount available; anticipating needed stock; placing and expediting orders for stock; verifying receipt of stock
  • Programs mills and lathes by entering instructions, including zero and reference points; setting tool registers, offsets, compensation, and conditional switches; calculating requirements, including basic math, geometry, and trigonometry; proving part programs
  • Sets-up mills and lathes by installing and adjusting three-and four-jaw chucks, tools, attachments, collets, bushings, cams, gears, stops, and stock pushers; indicating vices; trimming heads.
  • Loads feed mechanism by lifting stock into position
  • Verifies settings by measuring positions, first-run part, and sample work pieces; adhering to ISO &B TS-16949 standards
  • Maintains specifications by observing drilling, grooving, and cutting, including turning, facing, knurling and thread chasing operations; taking measurements; detecting malfunctions; troubleshooting processes; adjusting and reprogramming controls; sharpening and replacing worn tools; adhering to quality assurance procedures and processes
  • Maintains safe operations by adhering to safety procedures and regulations
  • Observe machines on trial runs or conduct computer simulations to ensure that programs and machinery will function properly and produce items that meet specifications
  • Maintains equipment by completing preventive maintenance requirements; following manufacturer’s instructions; troubleshooting malfunctions; calling for repairs
  • Make in press repairs of dies/tooling and modify dies to conform to engineering changes
  • Document and record various data for the department
  • Collaborate with teams within department as well outside the department
  • Works with minimal supervision and identify conditions that warrant notification of the Supervisor
  • Perform fabrication and build activities
  • Read and interpret blueprint reading or drawings
  • Experience with SMIRT Software and familiar with Cincinnati Milacron Acramatic 950 & 2100 Controls, writing & editing
  • Determine reference points, machine cutting paths, or hole locations, and compute angular and linear dimensions, radial, and curvatures.
  • Operate basic metrology instruments, such as micrometers, calipers, optical comparator, etc


  • A minimum of five or more years of related experience and training
  • Must have a High School Diploma/GED
  • Must successfully pass MIOSHA Crane Test
  • Must successfully pass written MIOSHA Industrial Forklift test and perform safety demonstration of operating Hi-Lo


  • Excellent oral and written communication skills
  • Analytical skills
  • Detail oriented, logical, and methodological approach to problem solving
  • Demonstrated capability to interface and maintain effective relationships with all departments and employees in a team-oriented environment


  • Bend, stoop, squat, twist, crouch, stand and walk intermittently throughout the work day
  • Occasionally lift and/or move items weighing up to 50 pounds


  • Job duties may involve working in moderate heat during the summer
  • Safety Glasses/Safety Goggles/ Hearing Protection and lock-out/tag-out are mandatory in the plant
  • Hard hats are required when operating Crane or being involved in die operation
  • Job duties may involve working near heavy machinery with moving parts and moderate noise levels

Author: Joe Lynn

Human Resources & EHS Professional with 12 years manufacturing experience in Plastic Injection Molding and 6 years in Metal Stamping.