Quality Assurance Associate
Posted Aug 17, 2026 · We last checked this listing on Oct 6, 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.
About your past
Tell me about a time you caught an error others had missed.
What they are checking: Attention to detail and the persistence to follow a hunch until it is confirmed or ruled out.
Tell me about a time you had to tell someone their work did not meet a standard.
What they are checking: Comfort giving unwelcome news clearly, which QA does every day.
What would you do
A test result comes back out of spec on a lot that production says the customer needs today. What do you do?
What they are checking: Holding the line on quality under schedule pressure and following the hold and investigation process.
You notice an operator not following a GMP on the floor. How do you handle it?
What they are checking: Ability to correct behavior respectfully, since QA must influence production without supervising it.
How would you help with a customer complaint about foreign material in a product?
What they are checking: Methodical investigation using retained samples and lot records rather than defensive guessing.
About the work
Walk me through how you would sample and test a finished lot of dairy powder before it is released.
What they are checking: Understanding of representative sampling and release testing, which decides whether product ships to customers.
What lab tests would you expect to run on dry dairy powders and functional proteins?
What they are checking: Familiarity with moisture, protein, micro and similar tests used in Mill Haven's in-house lab.
How do you document a nonconformance so someone can understand it months later?
What they are checking: Clear, complete records that support audits, customer complaints and root cause work.
What do you know about GMPs, HACCP or SQF in a food plant?
What they are checking: Foundation in food safety systems that QA staff are expected to monitor and enforce.
How do you keep calibration and lab equipment checks on schedule?
What they are checking: Understanding that test results are only trustworthy when equipment is verified and records prove it.
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As published by Select Milk Producers.