IEI Lab Technician
Posted Sep 14, 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 test fixture you designed or built. What problem did it solve?
What they are checking: Hands-on ability to design fixtures and test setups, which the posting lists directly.
Tell me about a time you helped an engineer troubleshoot a product problem.
What they are checking: Acting as a technical resource who adds insight, not just someone who runs tests.
Tell me about a project you ran independently from start to finish in a lab.
What they are checking: Independence in running testing projects, which the posting expects of this role.
What would you do
A test result comes back far outside what the engineer expected. What do you do?
What they are checking: Checking setup, sample and method before reporting, and raising surprises clearly instead of hiding them.
You support both the Lockport lab and extrusion testing in Tinley Park. How would you manage your time between them?
What they are checking: Organizing work across two sites and communicating so neither group is left waiting.
About the work
Walk me through how you would run a tensile or pull-out test to a UL or ASTM standard.
What they are checking: Following a test method exactly, since certification results depend on doing it the documented way.
How do you make sure your test equipment is calibrated and giving you trustworthy numbers?
What they are checking: Understanding calibration and measurement accuracy, which underpins every lab result.
What is the difference between an electrical test like dielectric withstand and a mechanical test like torque, in terms of risk to you?
What they are checking: Safety awareness across high voltage and mechanical hazards in an industrial electrical lab.
How do you document a test so someone else could repeat it exactly?
What they are checking: Clear records that make results traceable for certification and quality work.
How would you set up an environmental test like temperature cycling or UV exposure?
What they are checking: Knowledge of environmental testing and how conditions affect plastics, metals and electrical parts.
How do you analyze a set of test results to spot a trend or outlier?
What they are checking: Basic data analysis skills that turn raw results into useful findings for engineers.
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Practice this out loudThe full job description
As published by Panduit.