Generator Tester, Level IV – 1st Shift
Posted Sep 3, 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 found a failure mode on a product that wasn't obvious at first. How did you track it down?
What they are checking: root cause troubleshooting skill and patience with ambiguous failures
Have you used 8D, 5 Why, or PDCA on a real problem? Tell me about one and what the actual root cause turned out to be.
What they are checking: whether root cause methodology is a practiced skill or just a term they know
Tell me about a time you wrote or updated a test procedure or troubleshooting guide for someone else to use.
What they are checking: ability to document knowledge clearly enough that another technician can follow it
Describe a time you had to train a coworker on a work instruction or standard work. What made it stick for them?
What they are checking: teaching ability, since the role explicitly requires training other employees
What's your experience with 5S, and can you give me an example of how you kept your test station organized under a busy production schedule?
What they are checking: whether workplace organization habits are genuine or just something they say they value
Tell me about a time your test results or a process suggestion actually changed how something was done on the line.
What they are checking: initiative and willingness to contribute to continuous improvement, not just execute instructions
What would you do
Say you're reading a schematic and the test result doesn't match what the drawing says should happen. What do you do next?
What they are checking: ability to interpret drawings correctly and troubleshoot logically rather than guessing or skipping the discrepancy
How do you decide whether a repair is something you handle at your workstation versus something you need to send to another resource?
What they are checking: judgment about scope of authority and knowing when a fix is beyond a minor repair
You're testing under takt time pressure and you hit a unit that's failing intermittently. How do you balance staying on schedule with actually solving the problem?
What they are checking: how the candidate handles production pressure without cutting corners on quality
If you noticed a piece of test equipment was drifting out of calibration or acting unreliable, what would you do before it caused bad data on the floor?
What they are checking: preventative maintenance awareness and whether they flag issues proactively
About the work
Walk me through how you'd perform a Hipot test on a unit up to 10KV, start to finish, including the safety steps you take before you even power it up.
What they are checking: whether the candidate actually knows the procedure and treats high-voltage safety as automatic, not an afterthought
Tell me about the medium voltage or high voltage testing you've done before, and which specific tests you're most comfortable running, like Doble, resistance, DGA, or CT test.
What they are checking: real hands-on exposure to the exact test types this job requires versus general electrical background
Have you worked in SAP or a similar ERP system like Oracle or JD Edwards? What did you use it for day to day?
What they are checking: comfort with the recordkeeping systems the role expects them to use
What's your understanding of NFPA 70E and why it matters for the work you'd be doing here?
What they are checking: baseline electrical safety knowledge required before they're allowed to work on medium voltage equipment
Practice this interview out loud.
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Practice this out loudThe full job description
As published by Generac.