Senior Human Factors Engineer
Posted Aug 11, 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 use error you found in testing that led to a real design change.
What they are checking: Whether their research has actually changed products, not just produced reports.
Tell me about a contextual inquiry you ran. What did you learn that you wouldn't have found in a lab?
What they are checking: Whether they value watching real users in real settings like hospitals and clinics.
Tell me about an engineer you mentored in human factors methods.
What they are checking: Whether they can build human factors skill across teams, which the posting expects of this role.
Tell me about a process improvement you led in how your team ran usability work.
What they are checking: Whether they make the human factors process faster or more consistent, not just run individual studies.
What would you do
The design team wants to fix a use error by adding a warning to the instructions for use. How do you respond?
What they are checking: Whether they know labeling is the weakest control and push for design fixes first.
A project is behind schedule and leadership asks you to cut the summative study size. What do you say?
What they are checking: Whether they can defend the evidence the device needs while offering realistic ways to save time.
About the work
Walk me through how you'd plan a summative usability study for a Class II device.
What they are checking: Whether they know how to pick critical tasks from the use-related risk analysis and design a study that meets FDA expectations.
What's the difference between formative and summative studies, and how do the results of each get used?
What they are checking: Whether they understand formative studies shape design while summative studies prove the final design is safe.
How do you connect your use-related risk analysis to the product's overall risk management file?
What they are checking: Whether they integrate human factors with ISO 14971 risk work instead of running it as a separate track.
How would you apply human factors to packaging and labeling for a simple Class I product?
What they are checking: Whether they scale the effort to risk and still catch issues like confusing labels or hard-to-open packaging.
How do you use post-market complaint data in human factors work?
What they are checking: Whether they see complaints as a source of real use errors that should feed back into design.
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Practice this out loudThe full job description
As published by Medline.