Computer Numerically Controlled Tool Operators

Operate computer-controlled tools, machines, or robots to machine or process parts, tools, or other work pieces made of metal, plastic, wood, stone, or other materials. May also set up and maintain equipment.

SOC: 51-9161.00

Common Job Titles

CNC Machine Operator (Computer Numerical Control Machine Operator)CNC Machinist (Computer Numerical Control Machinist)CNC Operator (Computer Numerical Control Operator)Machine Operator

What You'll Need to Succeed

AI-generated

Key competencies for this occupation at a glance

  • Hands-onOperate CNC milling machines, lathes, and turning centers following programmed specifications to machine metal, plastic, wood, or composite parts.
  • KnowledgeEvaluate machined parts against quality standards and dimensional tolerances using precision measuring instruments such as micrometers, calipers, and coordinate measuring machines.
  • KnowledgeInterpret technical drawings, blueprints, and G-code/M-code programs to set up and configure CNC equipment for production runs.
  • KnowledgeAnalyze machine operations and process parameters to identify deviations, troubleshoot malfunctions, and implement corrective actions.
  • KnowledgeApply mathematical calculations and measurement conversions to determine feeds, speeds, and cutting tool selection for various materials.
  • KnowledgeOrganize work schedules and prioritize machining tasks to meet production deadlines while maintaining quality standards and safety protocols.
  • Hands-onPerform preventive and corrective maintenance on CNC machines and mechanical equipment to minimize downtime and ensure optimal machine performance.
  • Hands-onCalibrate tooling offsets, work coordinates, and machine fixtures using CAD/CAM software and programmable logic controllers under time-sensitive production schedules.
  • Hands-onExecute safe material handling and workpiece loading/unloading procedures while monitoring multiple machine operations simultaneously in a production environment.
  • MindsetEngage with supervisors, quality control personnel, and team members to communicate production status, quality issues, and continuous improvement recommendations.
Wage Data According to the Bureau of Labor Statistics

Annual wage data for Computer Numerically Controlled Tool Operators (2024)

Estimated Total Employment (U.S.)

176,950

Wage Distribution by Percentile

MetricU.S.
10% of workers earn the following or less$37,160
10% of workers earn the following or more$71,160
Workers on average earn$52,900

+ indicates wage is at or above the BLS reporting cap ($239,200/year)

Skills & Requirements

Key competencies for this occupation, ranked by importance

  • Mathematics4.2/5
  • Production and Processing4.0/5
  • Mechanical3.8/5
  • English Language3.3/5
  • Engineering and Technology3.3/5
Tools & Technology

Equipment and software commonly used in this occupation

In-Demand Technology

Frequently requested by employers in job postings

Autodesk AutoCADDassault Systemes SolidWorksMicrosoft ExcelMicrosoft Office softwareMicrosoft OutlookMicrosoft PowerPointMicrosoft ProjectMicrosoft WordSAP software

Technology Skills

1CadCam UnigraphicsBobCAD-CAMCGTech Vericut CNCCNC Consulting Machinists' CalculatorCNC MastercamCadem CAPSMillCadem CAPSTurnCadem NCnet

Tools & Equipment

0-1 drop indicators2/3 axis computer numerically controlled CNC milling machines5 axis lathes8 axis lathesAutomatic measuring equipmentBench grindersBore gaugesBore mills