CNC Machinist
CNC Machinist
Apply technical knowledge and skills to operate computer numerically controlled (CNC) machine tools, such as lathes, mills, precision measuring tools, and related attachments and accessories, to perform machining functions, such as cutting, drilling, shaping, and finishing products and component parts.
What CNC Machinists Do
Apply technical knowledge and skills to operate computer numerically controlled (CNC) machine tools, such as lathes, mills, precision measuring tools, and related attachments and accessories, to perform machining functions, such as cutting, drilling, shaping, and finishing products and component parts.
Common Tasks
Computer Numerically Controlled Tool Operators
- 1Measure dimensions of finished workpieces to ensure conformance to specifications, using precision measuring instruments, templates, and fixtures.
- 2Set up and operate computer-controlled machines or robots to perform one or more machine functions on metal or plastic workpieces.
- 3Mount, install, align, and secure tools, attachments, fixtures, and workpieces on machines, using hand tools and precision measuring instruments.
- 4Review program specifications or blueprints to determine and set machine operations and sequencing, finished workpiece dimensions, or numerical control sequences.
- 5Stop machines to remove finished workpieces or to change tooling, setup, or workpiece placement, according to required machining sequences.
What You'll Learn
Types of CNC Machinists
Work Environment
Locations
- • Machine shops
- • Manufacturing plants
- • Aerospace and defense factories
- • Automotive parts suppliers
- • Medical device manufacturers
Schedule
Most CNC machinists work full-time on a set schedule, often including second or third shifts, with steady production deadlines and high time pressure.
Physical Demands
The job involves a lot of standing and frequent handling of tools, fixtures, and parts, with some walking and repetitive motions. While not highly strenuous overall, it can be tiring and requires comfort working around moving machinery and noise.
Salary & Job Outlook
National Employment: 205,400 jobs
Top Paying States
Why Demand May Grow
Demand can rise as manufacturers bring more production back domestically and need skilled workers to run and program CNC equipment. Growth is also supported by ongoing needs for precision parts in aerospace, medical devices, automotive, and defense supply chains.
Skills You'll Need
Pros & Cons
Pros
- • Clear pathway from operator to setup and programming roles
- • Good pay potential, especially with programming and CAD/CAM skills
- • Hands-on work with modern technology and precision equipment
- • Skills transfer across many manufacturing industries
- • Work is often steady in established production environments
Cons
- • High time pressure and tight tolerances can be stressful
- • Shift work and overtime are common in many shops
- • Repetitive tasks and long periods of standing
- • Exposure to noise, metal chips, coolants, and shop hazards
- • Some roles are vulnerable to automation and production slowdowns
Common Questions About the CNC Machinist Trade
Ready to Get Started?
Not Sure This Trade is Right?
Take our free career quiz to discover trades that match your interests and skills.
Take the Career Quiz