How to become a computer numerically controlled tool operator

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.

Steps to get there

Most employers expect usually requires a high school diploma or ged, though some occupations may not..Some occupations may need little or no previous experience; others require several months to a year of experience. For example, landscaping and groundskeeping workers might require very little training or previous experience, while agricultural equipment operators can benefit from on-the job training.

What computer numerically controlled tool operators do

• Measure dimensions of finished workpieces to ensure conformance to specifications, using precision measuring instruments, templates, and fixtures.
• 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.
• Implement changes to machine programs, and enter new specifications, using computers.

Skills that matter most

• Critical Thinking
• Monitoring
• Active Listening
• Speaking
• Reading Comprehension
• Active Learning
• Mathematics
• Writing

Is computer numerically controlled tool operator a good career?

On the numbers, this job is close to the average across occupations. Median pay is 1% below the all-occupation median. Whether it fits you depends on the work itself, the schooling you are willing to do and where you want to live.

Where it pays most

• Washington $107,920
• Massachusetts $61,630
• North Dakota $60,250
• Connecticut $59,840
• New Hampshire $59,730

Computer Numerically Controlled Tool Operators salary by state and city

Sources: O*NET® 31.0 (CC BY 4.0, USDOL/ETA) and BLS Employment Projections 2025–35. Pay: BLS OEWS May 2025.