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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.

Other titles employers use

CNC Gear Operator (Computer Numerical Control Gear Operator) · CNC Lathe Operator (Computer Numerical Control Lathe Operator) · CNC Machine Operator (Computer Numerical Control Machine Operator) · CNC Machinist (Computer Numerical Control Machinist) · CNC Mill Operator (Computer Numerical Control Mill Operator) · CNC Operator (Computer Numerical Control Operator) · CNC Set Up Operator (Computer Numerical Control Set Up Operator) · Machine Operator

Inside the work

What you would actually do.

6 responsibilities that define the role, before job titles and workplaces change the details.

  • Measure dimensions of finished workpieces to ensure conformance to specifications, using precision measuring instruments, templates, and fixtures.
  • Set up and operate computer-controlled machines or robots to perform one or more machine functions on metal or plastic workpieces.
  • Mount, install, align, and secure tools, attachments, fixtures, and workpieces on machines, using hand tools and precision measuring instruments.
  • Review program specifications or blueprints to determine and set machine operations and sequencing, finished workpiece dimensions, or numerical control sequences.
  • Stop machines to remove finished workpieces or to change tooling, setup, or workpiece placement, according to required machining sequences.
  • Listen to machines during operation to detect sounds such as those made by dull cutting tools or excessive vibration, and adjust machines to compensate for problems.

Who it suits

Would this work hold your attention?

This career often appeals to people drawn to practical and organizing work.

Practical
Building, repairing, using tools, or working outdoors
Organizing
Creating order, checking details, and keeping work accurate

Skills and strengths

What you would get good at.

Compare the skills the work relies on, the subjects behind it, and the abilities that make it easier to learn.

Core skills

  • Operations Monitoring
  • Operation and Control
  • Critical Thinking
  • Monitoring
  • Quality Control Analysis
  • Active Listening

Subjects to know

  • Mathematics
  • Production and Processing
  • Mechanical
  • English Language
  • Engineering and Technology

Useful strengths

  • Arm-Hand Steadiness
  • Near Vision
  • Problem Sensitivity
  • Information Ordering
  • Control Precision

Working day

Picture yourself doing it.

These measures show how much of the day involves people, movement, conversation, and hands-on work.

How this job scores on four measures of working conditions, out of five
MeasureOut of 5What that means here
Close to other people3.0 Largely your own space
On your feet4.6 Standing or moving for most of it
Talking face to face4.2 A regular part of the day
Working with your hands4.2 Handling tools, instruments or materials

Preparation

How people prepare for this work.

Employers usually ask for a high school diploma. Other routes may also lead into the field.

  • High school or less 52%
  • A certificate or some college 38%
  • A two-year degree 7%
  • A four-year degree 3%

Tools of the work

Technology you may use.

  • Computer aided design CAD software
  • Enterprise resource planning ERP software
  • Spreadsheet software
  • Office suite software
  • Electronic mail software
  • Presentation software
  • Project management software
  • Word processing software

Opportunity near you

See where this work is growing.

Choose a state to compare the size of the field, annual openings, and expected hiring change.

Selected stateCalifornia
People doing this work
16,600
Job openings each year
1,430
Expected hiring change, 2022–2032
−6.2%
Compare every available state
State People doing it Job openings each year Expected change
California 16,600 1,430 −6.2%
Wisconsin 15,940 1,430 −1.4%
Ohio 13,080 1,100 −10.0%
Texas 12,470 1,120 −1.3%
Pennsylvania 10,960 950 −6.9%
Michigan 10,020 840 −10.1%
Illinois 9,370 820 −5.3%
Indiana 7,030 620 −5.0%
Minnesota 4,090 360 −2.9%
New York 4,080 0 −14.1%
Florida 4,060 370
North Carolina 3,900 350
Connecticut 3,860 340 −2.3%
Missouri 3,150 280 −4.8%
Iowa 3,050 270 −3.2%
South Carolina 2,980 270 2.4%
Oklahoma 2,940 250 −6.7%
New Hampshire 2,710 240 −3.2%
Alabama 2,660 240 −1.8%
Oregon 2,420 220 3.0%
Arizona 2,410 230 4.8%
Kansas 2,250 200 −4.7%
Tennessee 2,160 200 1.4%
Washington 2,160 210 3.3%
Virginia 2,120 180 −9.4%
New Jersey 1,950 170 −1.5%
Maryland 1,900 160 −9.5%
Georgia 1,890 180 8.0%
Utah 1,810 180 17.5%
Arkansas 1,570 140 −6.0%
Kentucky 1,550 140 −2.5%
Mississippi 1,360 130 9.7%
Vermont 1,310 120 −5.8%
Colorado 1,210 110 −3.2%
Massachusetts 1,150 100 −10.9%
Maine 1,090 90 −11.4%
South Dakota 1,000 90 −1.0%
Idaho 790 80 11.3%
Nebraska 730 70 −3.9%
Rhode Island 420 40 −4.5%
West Virginia 340 30 9.7%
Montana 310 30 3.3%
Nevada 270 20 −3.6%
North Dakota 220 20 10.0%
Louisiana 190 20 −5.0%
Puerto Rico 120 10
Delaware 90 10 −10.0%
Wyoming 80 10
New Mexico 60 10

Career to college

Build a path toward this work.

Start with a related major, then compare colleges where students complete that field.

CareerComputer Numerically Controlled Tool Operators

Where to study

Colleges with strong activity in these fields.

Start with program size, admission, and likely cost. Open a college for the full picture.

Compare every college offering precision metal working