Intern - Supply Chain Sourcing (Summer 2027)
Posted Sep 28, 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 negotiated something, even outside of work.
What they are checking: Whether they prepare and look for a fair outcome, which is the core skill sourcing builds.
Tell me about a project where you had to gather information from many people.
What they are checking: Whether they can organize information and follow up persistently across a group.
What do you know about Plexus and the industries it serves?
What they are checking: Whether they've done basic homework on the business and its aerospace, healthcare and industrial customers.
What would you want to have learned by the end of the summer?
What they are checking: Whether they have clear goals and are thinking about how the internship fits their path.
What would you do
A supplier doesn't reply to your emails for a week. What do you do?
What they are checking: Whether they follow up through other channels and tell their manager, instead of just waiting.
You find that a supplier's quote has an error in your company's favor. What do you do?
What they are checking: Whether they act with integrity, since long-term supplier trust matters more than one mistake.
About the work
What do you think a sourcing team does differently from a purchasing team?
What they are checking: Whether they understand sourcing picks suppliers and sets terms, while purchasing places day-to-day orders.
If you had to compare quotes from three suppliers for the same electronic component, what would you look at besides price?
What they are checking: Whether they think about lead time, quality, reliability and risk, not just the lowest number.
How comfortable are you with Excel for comparing data and building summaries?
What they are checking: Whether they can handle quote analysis and spend data, which interns are often asked to do.
Why might a company choose to keep two suppliers for the same part even if one is cheaper?
What they are checking: Whether they understand supply risk, which became a major issue with recent component shortages.
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Practice this out loudThe full job description
As published by Plexus.