Process Engineer
Posted Sep 18, 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 process improvement you led in a manufacturing plant that cut scrap or raised productivity. What were the numbers?
What they are checking: Whether they can show measurable results instead of describing activity.
Tell me about a capital project you managed. How did you keep it on time and on budget?
What they are checking: Whether they have actually run projects with contractors, schedules and budgets, not just designed them.
Tell me about a time a change you made did not work. What did you do next?
What they are checking: Whether they own failures and use them to learn rather than hiding results.
What would you do
Operators have run a process the same way for twenty years and resist your change. How do you get them on board?
What they are checking: Whether they can win over experienced operators by listening and involving them, not by forcing the change.
How would you set annual process improvement goals for the plant?
What they are checking: Whether they can turn plant priorities into specific, measurable goals they can be held to.
How do you balance a quality improvement against its effect on production rate?
What they are checking: Whether they think about tradeoffs across the whole operation instead of optimizing one number.
How would you make sure an improvement sticks after you move on to the next project?
What they are checking: Whether they build in procedures, training and monitoring so gains do not fade.
About the work
How would you analyze production trends on a paper machine to find where the biggest losses are?
What they are checking: Whether they use data like downtime, grade changes and break records to target real problems.
Walk me through how you would build a capital authorization request for a new piece of equipment.
What they are checking: Whether they can make a business case with costs, savings and payback that leadership will approve.
What process control strategies have you used to keep paper quality consistent, like basis weight or moisture?
What they are checking: Whether they understand papermaking process control well enough to lead the plant's control strategy.
What new technology would you look at to improve a paper mill like this one?
What they are checking: Whether they keep up with the industry and can judge which technology is worth the investment.
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Practice this out loudThe full job description
As published by Sonoco.