CNC Machinist
Posted Oct 1, 2026 · We last checked this listing on Oct 6, 2026
Likely interview questions for this role
Written from this job description, not a generic list. Each one notes what the interviewer is really checking.
About your past
Tell me about a machining problem you solved with a programmer or engineer.
What they are checking: Whether they work well with others to fix machining issues.
How do you keep your work area organized under 5S?
What they are checking: Whether they maintain a clean, orderly space that supports safety and quality.
How would you train a new employee on a machine you know well?
What they are checking: Whether they can teach others safely and clearly.
What would you do
You notice tool chatter and a change in surface finish mid-run. What do you do?
What they are checking: Whether they notice machine changes and react before making bad parts.
Your supervisor asks you to stay late on short notice. How do you handle that?
What they are checking: Whether they can handle overtime that may come with little notice.
About the work
Walk me through setting up a horizontal CNC machine for a new job.
What they are checking: Whether they have the hands-on setup experience the posting requires.
How do you read a drawing to figure out tolerances and the order of operations?
What they are checking: Whether they plan machining steps from the drawing before cutting.
How do you check that a finished part meets specifications?
What they are checking: Whether they inspect parts carefully with the right measuring tools.
What does Total Productive Maintenance mean to you as an operator?
What they are checking: Whether they take care of their machine to prevent breakdowns.
How do you adjust speeds and feeds for a harder material?
What they are checking: Whether they understand cutting conditions and their effect on tools and parts.
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Practice this out loudThe full job description
As published by Bosch.