Profession computer numerical control machine operator

Computer numerical control machine operators set-up, maintain and control a computer numerical control machine in order to execute the product orders. They are responsible for programming the machines, ensuring the required parameters and measurements are met while maintaining the quality and safety standards.

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Personality Type

  • Realistic / Conventional
  • Realistic / Investigative


  • Quality standards

    The national and international requirements, specifications and guidelines to ensure that products, services and processes are of good quality and fit for purpose.

  • Manufacturing processes

    The steps required through which a material is transformed into a product, its development and full-scale manufacturing.

  • Statistical process control

    Method of quality control that uses statistics to monitor processes.


  • Read standard blueprints

    Read and comprehend standard blueprints, machine, and process drawings.

  • Perform test run

    Perform tests putting a system, machine, tool or other equipment through a series of actions under actual operating conditions in order to assess its reliability and suitability to realise its tasks, and adjust settings accordingly.

  • Troubleshoot

    Identify operating problems, decide what to do about it and report accordingly.

  • Consult technical resources

    Read and interpret such technical resources such as digital or paper drawings and adjustment data in order to properly set up a machine or working tool, or to assemble mechanical equipment.

  • Set up the controller of a machine

    Set up and give commands to a machine by dispatching the appropriate data and input into the (computer) controller corresponding with the desired processed product.

  • Perform machine maintenance

    Perform regular maintenance, possibly including corrections and alterations, on a machine or machine tool to ensure it remains in a proper productive state.

  • Monitor automated machines

    Continuously check up on the automated machine's set-up and execution or make regular control rounds. If necessary, record and interpret data on the operating conditions of installations and equipment in order to identify abnormalities.

  • Remove processed workpiece

    Remove individual workpieces after processing, from the manufacturing machine or the machine tool. In case of a conveyor belt this involves quick, continuous movement.

  • Supply machine with appropriate tools

    Supply the machine with the necessary tools and items for a particular production purpose.

  • Operate precision measuring equipment

    Measure the size of a processed part when checking and marking it to check if it is up to standard by use of two and three dimensional precision measuring equipment such as a caliper, a micrometer, and a measuring gauge.

  • Ensure equipment availability

    Ensure that the necessary equipment is provided, ready and available for use before start of procedures.

  • Remove inadequate workpieces

    Evaluate which deficient processed workpieces do not meet the set-up standard and should be removed and sort the waste according to regulations.

  • Use CAM software

    Use computer-aided manufacturing (CAM) programmes to control machinery and machine tools in the creation, modification, analysis, or optimisation as part of the manufacturing processes of workpieces.

  • Use automatic programming

    Utilise specialised software tools to generate computer code from specifications, such as diagrams, structured informations or other means of describing functionality.

  • Program a CNC controller

    Set up the desired product design in the CNC controller of the CNC machine for product manufacturing.

  • Supply machine

    Ensure the machine is fed the necessary and adequate materials and control the placement or automatic feed and retrieval of work pieces in the machines or machine tools on the production line.

  • Conform to health and safety regulations

    Carry out all work in accordance with relevant environmental and health and safety legislation, risk assessment requirements and company policies. Take the necessary health and safety precautions during work including posture the body well, safely operate tools and machinery, and wear the right clothes and protection for the climate.

Optional knowledge and skills

manufacturing of metal structures manufacturing of steel drums and similar containers maintain vacuum chamber c++ types of plastic replace sawing blade on machine quality and cycle time optimisation electrical engineering tend metal sawing machine laser types coffeescript apl keep records of work progress work ergonomically non-ferrous metal processing mark processed workpiece abrasive blasting processes mechanics manufacturing of weapons and ammunition liaise with managers tend computer numerical control lathe machine manufacturing of light metal packaging lisp operate scrap vibratory feeder ensure necessary ventilation in machining matlab smooth burred surfaces water pressure inspect quality of products manufacturing of jewellery manufacturing of metal assembly products maintain mechanical equipment ferrous metal processing types of sawing blades openedge advanced business language welding techniques milling machines operate metal sheet shaker perl abap types of engraving needles metal smoothing technologies prepare pieces for joining common lisp laser engraving methods geometry apply precision metalworking techniques cobol trigonometry engraving technologies manufacturing of metal containers tend laser beam welding machine php types of metal manufacturing of door furniture from metal apply isopropyl alcohol safely provide advice to technicians ensure correct metal temperature interpret geometric dimensions and tolerances prolog ensure correct gas pressure manufacturing of doors from metal monitor gauge electron beam welding processes objective-c record production data for quality control precious metal processing typescript apply control process statistical methods tend water jet cutter machine adjust temperature gauges spot metal imperfections tend punch press tend cnc grinding machine electricity microsoft visual c++ swift manufacturing of tools wear appropriate protective gear ml tend electron beam welding machine monitor conveyor belt python manufacturing of metal household articles pascal replace machines electron beam welding machine parts manufacturing of sports equipment tend cnc milling machine monitor stock level manufacturing of small metal parts vbscript procure mechanical machinery sas language ruby manufacturing of daily use goods tend cnc laser cutting machine java haskell types of metal manufacturing processes scala erlang c# perform product testing sap r3 assembly use cad software groovy visual basic apply preliminary treatment to workpieces electric current dispose of cutting waste material electrical discharge metal joining technologies manufacturing of cutlery javascript manufacturing of steam generators apply cross-reference tools for product identification computer programming scratch smalltalk r use welding equipment ajax tend cnc engraving machine manufacturing of heating equipment cutting technologies laser marking processes

Common job titles

  • Machine operator
  • Materials research engineer - optics
  • Control / process operator
  • Mill operator (1&2) day shift 6:00am - 4:30pm
  • Machine operator (sumter, sc)
  • Mill operator (1&2) night shift 4:00pm - 2:30am
  • Data entry operator