Sourcing Specialist Sr
Posted Sep 30, 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 a key component went on allocation or long lead time. What did you do to protect the build schedule?
What they are checking: Whether they act early with alternates, broker checks and customer communication instead of waiting for the shortage to hit the line.
Describe a time you had to tell an internal customer that the part they wanted wasn't available when they needed it.
What they are checking: Whether they deliver bad news early and with options, which keeps program managers able to plan around it.
How do you track your own savings and supplier performance so you can show your impact?
What they are checking: Whether they measure results in a way leadership trusts, rather than reporting savings that never reach the bottom line.
What would you do
An engineer wants to use a sole-source part that's cheaper today. What questions do you ask before you agree?
What they are checking: Whether they think about lifecycle, end-of-life risk and second sources, not just unit price on the day of the decision.
A supplier hits you with a price increase mid-contract and blames raw materials. How do you respond?
What they are checking: Whether they check the claim against market data and contract terms instead of accepting or rejecting it on reflex.
You're mentoring a newer sourcing specialist who agreed to terms without checking with quality. What do you tell them?
What they are checking: Whether a senior hire coaches toward cross-functional checks instead of just cleaning up the mistake quietly.
About the work
Plexus builds products for aerospace, healthcare and industrial customers. How does sourcing an electronic component change when the end product is a surgical system versus an EV charger?
What they are checking: Whether they understand that regulated markets add qualification, traceability and change-control limits to every sourcing choice.
How do you prepare for a price negotiation with a supplier you need more than they need you?
What they are checking: Whether they bring data, volume forecasts and alternatives to the table even when their leverage is weak.
Walk me through how you'd evaluate a new supplier before awarding them business.
What they are checking: Whether they weigh quality systems, financial health, capacity and delivery history, not only the quote.
How do you decide when to buy from a franchised distributor, buy direct, or go to the open market?
What they are checking: Whether they understand counterfeit risk and traceability, which matter a great deal for aerospace and medical builds.
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Practice this out loudThe full job description
As published by Plexus.