Fabricator/CNC Machinist-Mazak
Posted Sep 2, 2026 · We last checked this listing on Sep 20, 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.
Behavioral
Tell me about a time you caught a problem with a blueprint or a part before it turned into scrap.
attention to detail and willingness to flag issues rather than just run the job as told
Describe a time you had to build or use a jig or fixture to hold an odd-shaped or difficult part.
real experience with workholding beyond standard vise setups
Tell me about a time you had to deburr, file, or polish a part to get it to final spec. What tools did you use?
hands-on finishing skill beyond just running the CNC cycle
Tell me about a time instructions from a supervisor, a blueprint, and a schedule didn't quite line up. How did you sort it out?
ability to reconcile conflicting information without stalling production
Technical
Walk me through how you'd set up a Haas mill for a new job, starting from a blank table.
whether the candidate actually knows the full setup sequence, not just how to run a machine someone else set up
How do you decide what tooling, speeds, and feeds to use for a given material and operation?
depth of hands-on machining knowledge versus memorized rules
How do you use calipers and micrometers to verify a part is within spec, and how do you know when to trust the measurement versus re-check it?
practical measuring skill and awareness of measurement error
Have you downloaded and edited a CNC program directly at the machine? What kind of edits have you made and why?
comfort level editing G-code on the fly versus relying entirely on programmers
What does your daily routine look like for maintaining the machine, like coolant, chips, and general upkeep?
whether they treat basic maintenance as part of the job or something to skip
What's the toughest math or geometry problem you've had to work through on the shop floor to figure out a cut or setup?
real application of math skills to machining, not classroom knowledge
Situational
If you're mid-run and you notice the part is starting to drift out of tolerance, what do you do right then?
judgment about stopping production versus pushing through, and whether they understand the cost of scrap
You're running two jobs on a tight schedule and one machine goes down for routine maintenance. How do you handle it?
ability to juggle production priorities and communicate delays
How do you keep track of labor reports, material issues, scrap reports, and kit lists during a shift?
organizational habits and honesty around paperwork that affects scheduling and cost tracking
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Practice this out loudThe full job description
As published by Regal Rexnord.
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