Intern - Supply Chain Planning (Summer 2027)
Posted Sep 10, 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 time you had to manage many deadlines at once.
What they are checking: Whether they stay organized under pressure, which planning work requires.
Tell me about a mistake you made on a project and how you handled it.
What they are checking: Whether they own errors and fix them quickly, which matters when plans drive real purchases.
How do you communicate with someone who is frustrated because something they need is late?
What they are checking: Whether they stay calm and give clear updates, which planners do constantly with production and customers.
Why are you interested in supply chain planning?
What they are checking: Whether they've thought about the work and have real interest beyond needing an internship.
What would you do
A customer suddenly doubles an order. What questions would you ask before saying it can be done?
What they are checking: Whether they think about materials, capacity and lead times before making promises.
How would you find out why a part keeps running short when the system says it should be fine?
What they are checking: Whether they would check data like lead times and usage rather than just ordering more.
About the work
In your own words, what does a supply chain planner do?
What they are checking: Whether they understand planning matches demand with materials and capacity so the right products get built on time.
What's the difference between a forecast and a customer order, and why does it matter for planning?
What they are checking: Whether they grasp that forecasts are uncertain, and buying to a forecast creates risk.
How comfortable are you working with large data sets in Excel?
What they are checking: Whether they can handle the spreadsheets and reports planners use every day.
What is safety stock, and why might a planner want more or less of it?
What they are checking: Whether they understand the tradeoff between protecting supply and tying up cash in inventory.
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Practice this out loudThe full job description
As published by Plexus.