Plant Controller
Posted Sep 21, 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 time you partnered with operations to cut manufacturing costs.
What they are checking: Whether they act as a business partner on the floor, not just a reporter of numbers.
Tell me about a time you explained financial results to non-finance managers.
What they are checking: Whether they make numbers clear and useful for operations leaders.
What would you do
The plant manager wants to delay recording an expense to hit this quarter's numbers. How do you respond?
What they are checking: Whether they protect accounting integrity even under pressure from plant leadership.
How do you handle month-end close when corporate deadlines are tight?
What they are checking: Whether they run an organized close with clear tasks and reviews to meet deadlines accurately.
About the work
Walk me through how you set standard costs for a manufacturing plant.
What they are checking: Whether they understand material, labor and overhead rates and how standards drive inventory valuation.
Your plant shows a large unfavorable material variance this month. How do you figure out why?
What they are checking: Whether they can dig into price versus usage and work with operations to find the real cause.
How do you run a physical inventory, and what do you do with big adjustments?
What they are checking: Whether they control counts carefully and investigate adjustments before booking them.
How do you build a plant budget and forecast when volumes are uncertain?
What they are checking: Whether they use volume drivers and flexible budgeting rather than fixed guesses.
What internal controls would you check first at a plant you just joined?
What they are checking: Whether they know key risks like inventory, payroll, purchasing and capital spending.
How would you evaluate a capital request for a new piece of equipment?
What they are checking: Whether they can assess payback and risk and challenge assumptions in a fair way.
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Practice this out loudThe full job description
As published by Silgan.