Senior Cost Accountant
Posted Sep 29, 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 your cost analysis changed a business decision.
What they are checking: Whether their work influences decisions on pricing, production or products rather than just reporting results.
How would you explain a cost variance to a plant manager who isn't an accountant?
What they are checking: Whether they can make cost data useful to operations people who can act on it.
Tell me about a time you improved a costing or close process.
What they are checking: Whether they look for ways to make work faster and more accurate instead of repeating old habits.
What would you do
How do you work with plant controllers who are in different locations and sometimes disagree with corporate numbers?
What they are checking: Whether they can collaborate across plants and resolve disagreements with data, not authority.
You find that a product's standard cost has been wrong for months. What do you do?
What they are checking: Whether they correct it properly, explain the impact and fix the process that caused it.
About the work
Walk me through how you'd set up a standard cost for a new closure product.
What they are checking: Whether they can build material, labor and overhead into a standard that plants can stand behind.
A plant shows a big unfavorable material variance this month. How do you investigate it?
What they are checking: Whether they split price from usage and work with the plant to find what actually happened.
Explain how LIFO and FIFO affect inventory valuation and cost of goods when resin or metal prices rise.
What they are checking: Whether they understand inventory methods well enough to explain their effect on the financials.
What do you check during month-end close to make sure inventory is valued correctly?
What they are checking: Whether they have a disciplined close process with reconciliations and reasonableness checks.
How do you handle overhead allocation when a plant's volume drops sharply?
What they are checking: Whether they understand absorption and how volume swings affect product costs and variances.
How do you keep general ledger accounts clean and supported?
What they are checking: Whether they reconcile regularly and keep documentation that would hold up in an audit.
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As published by Silgan.