Occupations · Production
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.
O*NET 30.3 Database (USDOL/ETA) · occupation code 51-9161.00
What it pays
A single “average salary” hides the spread. This is the whole distribution — the gap between the bottom and top bar is usually the number that matters.
BLS Occupational Employment and Wage Statistics, May 2024 · national, cross-industry · annual wage
Pay over time
Median up 21% between 2019 and 2024, before inflation. The band shows the 10th to 90th percentile.
BLS OEWS, one release per year. Before May 2011 only national estimates were published, so geography detail starts there.
Where the jobs are
| Metro area | Median wage | Employed |
|---|---|---|
| Los Angeles-Long Beach-Anaheim, CA | $54,720 | 9,580 |
| Chicago-Naperville-Elgin, IL-IN-WI | $48,470 | 6,280 |
| Cleveland, OH | $47,110 | 5,830 |
| Houston-The Woodlands-Sugar Land, TX | $50,200 | 4,870 |
| Dallas-Fort Worth-Arlington, TX | $42,720 | 3,740 |
| Milwaukee-Waukesha-West Allis, WI | $57,710 | 3,260 |
| Detroit-Warren-Dearborn, MI | $47,630 | 2,890 |
| New York-Newark-Jersey City, NY-NJ-PA | $58,070 | 2,840 |
| Minneapolis-St. Paul-Bloomington, MN-WI | $59,070 | 2,690 |
| Cincinnati, OH-KY-IN | $49,840 | 2,540 |
| Dayton-Kettering-Beavercreek, OH | $49,490 | 2,520 |
| Pittsburgh, PA | $59,940 | 2,430 |
BLS OEWS May 2024, metropolitan estimates · the 12 areas with the most people in this occupation
Typical education to enter: High school diploma or equivalent · BLS Employment Projections 2024–34
What people in this job actually do
Ordered by how important the work is rated.
- 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.
- Implement changes to machine programs, and enter new specifications, using computers.
- 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.
- Calculate machine speed and feed ratios and the size and position of cuts.
- Transfer commands from servers to computer numerical control (CNC) modules, using computer network links.
- Remove and replace dull cutting tools.
- Check to ensure that workpieces are properly lubricated and cooled during machine operation.
- Adjust machine feed and speed, change cutting tools, or adjust machine controls when automatic programming is faulty or if machines malfunction.
O*NET 30.3 task ratings, importance scale
Skills that matter most
Importance, rated 1 to 5.
O*NET 30.3 skills, importance scale
Software and tools
A dot marks what O*NET flags as in demand.
O*NET 30.3 software skills · hot-technology flag
What this work is actually like
Conditions rated against the average across all occupations — only what makes this job different is listed.
O*NET 30.3 Job Zones
Working conditions that stand out
O*NET 30.3 work context, frequency scale · observed 2023-08
How people actually get in
Share of workers by the education they hold.
O*NET 30.2 education, training and experience · observed 2023-08
What kind of person the work suits
Occupational interest profile, rated 1 to 7.
O*NET 30.2 occupational interests (RIASEC)
What you take with you
Skills rated for how well they transfer into other occupations.
O*NET 30.3 transferable skills, importance scale
Knowledge the work draws on
Abilities it leans on
O*NET 30.3 abilities and knowledge, importance scale
How this job is advertised
The same work is posted under many titles — this is what to search for.
O*NET 30.3 job titles reported for this occupation
Get this as a personal report
The same sourced evidence, recut for the closest published view of your city, state or industry, as a dated PDF.
Free page vs. the $29 report
The page above is a public national reference: it is the same for every reader. The $29 report uses the location or industry you name, states the exact BLS cut used, and packages five decision-focused sections as a PDF. Choose $49 when you need a broader comparison of industries, places, changes and next moves.
What changed since 2020
Comparing O*NET release 25.1 (2020-11-01) with 30.3 (2026-05-01). Signs, not colour alone, carry the meaning. 3 entries that were only relabelled between releases are left out.
Now listed 8
No longer listed 6
Diff across the O*NET releases held here in full since October 2015, following occupations through merges and retirements. O*NET re-surveys occupations on a rolling cycle, so “no change” can also mean “not re-surveyed”.
Related jobs
O*NET 30.3 related occupations
Also called
O*NET 30.3 alternative titles
The same work in Europe
| ESCO occupation | ISCO | Match |
|---|---|---|
| computer numerical control machine operator | 7223.4 | exact |
| numerical tool and process control programmer | 2514.4 | close |
| tool and die maker | 7222.5 | broader |
| metal planer operator | 7223.12 | broader |
| deburring machine operator | 8122.5 | broader |
| lathe and turning machine operator | 7223.4.4 | broader |
| milling machine operator | 7223.4.6 | broader |
| screw machine operator | 7223.19 | broader |
| gear machinist | 7223.8 | broader |
Official ESCO ↔ O*NET crosswalk (ESCO Secretariat with USDOL/ETA)
Keep exploring
See labor-market evidence in motion.
Watch short Tamhu stories about pay, growth and how work changes — then return to the source data here.
Watch this occupation
This job has changed before and it will change again. We'll email you when the data moves — a tool appears, a skill gains weight, the pay distribution shifts. Free, and one click to stop.
Check your inbox — your watch starts only after you confirm.
We send data, not advice. No sharing, no resale. Privacy