Industrial Maintenance Technician (Union)
Posted Jun 22, 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 your background in maintenance, machine repair, mechanics or millwright work. What equipment have you worked on?
What they are checking: How their experience transfers to heavy copper tube production equipment.
Tell me about a time you suggested an improvement that made a machine more reliable.
What they are checking: Whether they contribute to continuous improvement, not only repairs.
How do you learn from more experienced maintenance staff when you join a new plant?
What they are checking: Whether they are humble and eager to learn the plant's specific equipment.
What would you do
This is a union maintenance position. How do you work within union job rules while still getting machines running?
What they are checking: Whether they understand and respect collective bargaining structure in daily work.
A machine breaks down at the end of your shift. What do you do?
What they are checking: Whether they hand off clearly or stay to finish safely, instead of leaving a mess for the next shift.
About the work
How do you troubleshoot a gearbox or conveyor that is making a new noise?
What they are checking: Whether they diagnose mechanical drive issues like bearings, alignment and lubrication methodically.
Walk me through how you would replace a bearing on a shaft and make sure it lasts.
What they are checking: Practical millwright skill, including fit, alignment and installation without damage.
What do you know about hydraulic and pneumatic systems, and how have you repaired them?
What they are checking: Whether they can work on the fluid power systems common in metal-forming plants.
How do you handle working on equipment that has heavy parts and stored energy?
What they are checking: Safety judgment about lockout, rigging and stored energy, which prevent serious injuries.
What welding, cutting or fabrication can you do?
What they are checking: Whether they can fabricate repairs on the spot, a common need in plant maintenance.
Practice this interview out loud.
Offer builds a real interview for this exact role at Marmon Holdings 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 Marmon Holdings.