Test Development Engineer
Posted Jun 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 production was waiting on your test equipment. How did you handle the pressure?
What they are checking: Whether they can move fast for a new product introduction without releasing equipment that is not ready.
Tell me about a time you had to work with design engineers who didn't think about testability until late.
What they are checking: Whether they can influence design early to make products easier to test well in production.
What would you do
A new product's test station passes units in the lab but fails good units at a supplier site. How do you track it down?
What they are checking: Whether they can troubleshoot environment, setup and handling differences between sites methodically.
Your test shows a marginal failure rate creeping up over a few weeks. What do you do?
What they are checking: Whether they treat a trend as a signal to investigate the product or the tester before it becomes a real escape.
About the work
Walk me through a test fixture or test station you designed, from requirements through release.
What they are checking: Whether they have owned the whole cycle of test hardware, software, debug and documentation for production use.
How do you decide what to test on an AED or ventilator at end of line versus what's covered by design verification?
What they are checking: Whether they understand the purpose of production testing is catching build defects, not re-proving the design.
What does test method validation mean to you for a medical device, and how have you done it?
What they are checking: Whether they know how to show a test reliably catches bad units, including repeatability and gauge studies.
Which languages and test frameworks have you used to write automated test software?
What they are checking: Whether their software skills match the test automation the role needs to build and maintain.
How do you document a test station so a technician at a supplier site can run and maintain it without you?
What they are checking: Whether they write clear procedures and controlled documentation that let the equipment work without its designer.
How do you control changes to test software once a station is released for production?
What they are checking: Whether they respect change control and revalidation, which keeps a regulated test process trustworthy.
Practice this interview out loud.
Offer builds a real interview for this exact role at ZOLL Medical 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 ZOLL Medical.