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Engineering Technician III

Generac · Jefferson, WI

Posted Sep 14, 2026 · We last checked this listing on Sep 20, 2026

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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 found a defect during testing that everyone else had missed. How did you catch it and what did you do next?

attention to detail and follow-through on problem identification and containment

Describe a time you had to build or fabricate a piece of test equipment from a blueprint. What went wrong and how did you fix it?

practical fabrication skill and comfort working from engineering drawings

Tell me about a time you had to write up a test report for an audience that wasn't technical. How did you decide what to include?

ability to produce both formal and informal reports that different stakeholders can actually use

What does 5S mean to you in a lab setting, and can you give an example of a time you helped clean up or reorganize a workspace or process?

buy-in to continuous improvement culture beyond just doing the tests

Tell me about a time you disagreed with an engineer's test plan or interpretation of results. How did you handle it?

ability to work under supervision while still speaking up when something seems off

Technical

Walk me through how you'd set up a test on a prototype generator when the written procedure is vague about sequence. What do you check first?

whether they can safely and correctly translate a test procedure into hands-on setup without hand-holding

What mechanical, electrical, and environmental measurement equipment have you used, and which ones are you most comfortable calibrating or troubleshooting yourself?

actual hands-on breadth with test instrumentation versus just familiarity

Have you worked in a lab that operates under ISO 17025 or a similar accredited scope? What did that mean for how you documented your work day to day?

real experience with accreditation discipline, not just awareness of the standard's name

How do you keep test data organized so someone else could pick up your notes six months later and understand exactly what you did?

documentation discipline and database or record-keeping habits

How comfortable are you reading and interpreting a bill of materials, and have you ever caught an error in one before it caused a bigger problem downstream?

attention to detail in documentation that feeds directly into build accuracy

Situational

Say you're mid-test and the readings look off compared to what the blueprint or spec sheet predicts. Walk me through what you'd do before reporting anything.

judgment about isolating equipment error versus product failure before escalating

If manufacturing calls you in because a unit keeps failing on the line, what's your process for figuring out whether it's a design issue, a process issue, or a one-off?

structured troubleshooting approach and root-cause thinking under pressure

If you're given a competitor's product to test against your own, what's different about how you'd approach that compared to testing your own prototype?

understanding of comparative testing rigor and avoiding bias in evaluation

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The full job description

As published by Generac.

We believe power is a promise - a shared commitment to be there for others when it matters most. For more than 65 years, we've turned big ideas into solutions that help protect homes, strengthen businesses and build a more resilient, efficient, sustainable energy future. Ready to Power a Smarter World with us? The Engineering Technician III is responsible for performing electrical, mechanical, and environmental tests of current and new product designs under close supervision. Conducts continuous improvement activities to reduce the potential for product defects.  Involved with problem identification, containment activities, action plan development and execution.  Ensure that the test requirements for product testing and processes are defined and met. Responsibilities • Setup test equipment and products in proper sequence per testing procedures • Perform tests on prototypes, existing, and competitor products for stated criteria involving mechanical, electrical, environmental, and electromechanical functions through ISO 17025 and Laboratory Scope of Operations • Use various mechanical, electrical, and electronic measurement devices • Accurately interpret and document scientific notation, temperature, pressure, and other measurements • Assists in the assembly and fabrication of test equipment and prototype products per blueprint specifications • Follow guidelines for bill of materials • Support manufacturing through troubleshooting activities; Maintain test-related documentation in, and support administration of, database environment • Prepare formal and informal test reports • Assist with the Generac Engineering Laboratory Audit and organization 5S programs Requirements • High School Diploma • 5 Years of relevant work experience   “We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any other characteristic protected by law.”

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