Industrial Controls Technician (Night Shift)
Posted Sep 17, 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 servo or VFD problem you solved. What was wrong and how did you find it?
What they are checking: Whether they really understand motion control and drives, which the posting lists repeatedly.
Tell me about a time you made a change that fixed a recurring problem for good.
What they are checking: Whether they go past quick resets to eliminate repeat failures.
How do you document what you changed so the next shift knows?
What they are checking: Whether they leave clear records, since undocumented changes cause confusion and new faults.
What would you do
A production line stops and the HMI shows a fault you've never seen. Walk me through how you troubleshoot it.
What they are checking: Whether they follow a logical path from the HMI to the PLC to field devices instead of swapping parts randomly.
How would you plan a PLC or HMI software upgrade so you don't take down production?
What they are checking: Whether they back up, test and schedule changes carefully, since a bad upgrade can stop a line for hours.
How do you help an automation technician who's stuck on a pneumatic or mechanical problem?
What they are checking: Whether they can support and teach others, since this role leads troubleshooting across the team.
This is a rotating night shift. How do you make good decisions at 3 a.m. when engineers aren't around?
What they are checking: Whether they can work independently and know when a fix is safe to make alone.
About the work
What PLC platforms have you worked on, and how comfortable are you going online and reading ladder logic?
What they are checking: Whether their PLC skills are hands-on enough to lead troubleshooting on complex lines.
How do you set up and tune a Cognex vision inspection when it starts rejecting good parts?
What they are checking: Whether they can fix vision issues without just loosening tolerances and letting bad parts through.
A device on the industrial network stops talking. What do you check?
What they are checking: Whether they understand industrial networks well enough to isolate communication failures.
Tell me how you apply lockout/tagout on equipment with stored pneumatic or electrical energy.
What they are checking: Whether safety is automatic for them around the energized equipment they will work on.
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As published by Flex.