Plant Quality Assurance Manager
Posted Sep 30, 2026 · We last checked this listing on Oct 5, 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 root cause analysis you led that found something people didn't expect.
What they are checking: Whether they dig past the first answer and put corrective actions in place that actually stick.
How do you get operators and supervisors to follow GMP rules when nobody from quality is around?
What they are checking: Whether they build ownership on the floor through training and leadership rather than policing.
Tell me about a supplier audit you led. What did you find and what happened next?
What they are checking: Whether they can hold suppliers accountable and follow through on findings.
How do you manage and develop the people on your quality team?
What they are checking: Whether they can lead a team, not just run the system themselves.
What would you do
A major customer files a complaint about defective closures. Take me through what you do in the first 48 hours.
What they are checking: Whether they contain the problem fast, communicate with the customer and start a real root cause investigation.
Production wants to ship a lot that's borderline on a specification. How do you handle it?
What they are checking: Whether they protect quality and food safety under pressure while working with operations on options.
An auditor finds a major nonconformance during a customer audit. How do you respond in the room and afterward?
What they are checking: Whether they stay calm, own the finding and deliver a credible corrective action plan.
About the work
As Food Safety Team Leader, how would you keep an SQF program audit-ready all year instead of scrambling before the audit?
What they are checking: Whether they build daily habits and internal checks so compliance is real, not staged.
Walk me through how you'd build or review a HACCP plan for a closures plant.
What they are checking: Whether they understand hazard analysis for food-contact packaging and can set meaningful controls.
How would you use quality data to reduce waste and improve customer satisfaction at this plant?
What they are checking: Whether they can turn data into improvement projects with measurable results, which the posting emphasizes.
How do you keep up with changing customer specifications and regulatory requirements?
What they are checking: Whether they have a system for tracking changes so the plant doesn't fall out of compliance by accident.
Practice this interview out loud.
Offer builds a real interview for this exact role at Silgan 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 Silgan.