Manual Lathe machinist - Etobicoke ON
Posted Sep 18, 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 time you made a mistake on a part. How did you handle it?
What they are checking: Whether they report errors right away, since hiding one on rotating equipment can be dangerous.
How do you keep your work area and tools organized in a busy repair shop?
What they are checking: Whether they keep a shop clean and orderly, which protects parts and people.
What would you do
You find damage that's worse than the inspection report showed. What do you do?
What they are checking: Whether they stop and escalate to engineering instead of improvising on a critical part.
About the work
Tell me about your manual lathe experience. What's the largest or most precise part you've turned?
What they are checking: Whether their skill matches heavy, high-value centrifuge parts held to tight tolerances.
How do you set up and true a large, heavy shaft on a manual lathe?
What they are checking: Whether they can safely clamp and align big workpieces before cutting a single chip.
A worn sealing surface needs to come back to its original tolerance. Walk me through how you'd approach it.
What they are checking: Whether they plan the restoration from inspection data instead of just machining until it looks right.
What measuring tools do you rely on, and how do you check that they're accurate?
What they are checking: Whether they trust measurements only after checking their tools, since repairs live or die on accuracy.
How do you cut threads on a manual lathe to a tight spec?
What they are checking: Whether they have the hands-on threading skill that repair work regularly needs.
How do you read repair drawings and engineering instructions that call for geometric tolerances?
What they are checking: Whether they understand GD&T well enough to restore concentricity and runout correctly.
Why does precision matter so much on centrifuge parts that spin at high speed?
What they are checking: Whether they understand that small errors can cause imbalance, vibration and dangerous failures.
Practice this interview out loud.
Offer builds a real interview for this exact role at GEA from your resume and this job description, asks the questions one at a time, and tells you what landed. The first one is free.
Practice this out loudThe full job description
As published by GEA.