← Career directory · Production and manufacturing
Computer Numerically Controlled Tool Operators
Programs and runs computer-controlled machines that cut metal parts.
Read the full guide
Machinists read drawings, program CNC mills and lathes, set up tools, and measure parts to thousandths of an inch. They make parts for cars, planes, medical devices and machines, in shops and factories.
The guide checks the courses against your plan, with things to try each year. Free account needed.
High school courses that build toward it
- Pre-Algebra · Math
Builds math, which this job uses.
- Welding and Metal Fabrication · Career and Technical
Builds tools and machines, which this job uses.
- Computer Science Principles · Computer Science
Builds computers and electronics, which this job uses.
- Physics · Science
Builds math, which this job uses.
- English 10 · English
Builds reading and writing, which this job uses.
- Physical Education · Health and PE
Builds teaching and training, which this job uses.
Ranked by how much the job relies on what each course teaches, from O*NET's knowledge ratings. Your school's own courses and the counselor have the final word.
Computer Numerically Controlled Tool Operators on O*NET OnLine · O*NET 31.0 (U.S. Department of Labor, CC BY 4.0); BLS Employment Projections 2025.