Demand Planning Manager
Posted Aug 18, 2026 · We last checked this listing on Sep 20, 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.
Behavioral
Tell me about a time you had to drive a demand review meeting where sales, finance, and operations all had different numbers in their heads. How did you get to one plan?
skill at facilitating consensus forecasting without formal authority over the other functions
Tell me about the most mature S&OP or SIOP process you've worked in. What did the demand review actually look like, and what was your role in it versus supply planning's role?
whether the candidate has genuinely operated inside a disciplined SIOP cadence versus an informal forecasting process
Tell me about a time your forecast created a real problem, either too much inventory or a stockout, and how you responded once you realized it.
accountability and how they course-correct rather than defend a bad number
Tell me about a time you had to push back on a sales forecast you believed was too optimistic or too conservative. How did that conversation go, and what happened to the number in the end?
willingness to challenge stakeholders diplomatically while protecting forecast integrity
Technical
Walk me through how you build a statistical forecast for a product line and then adjust it with input from sales and product management. Where does the statistical number usually end up wrong, and why?
whether the candidate actually understands forecasting methodology versus just running a report someone else built
What forecasting or planning tools have you used day to day, and how did you use Excel alongside them? Give me an example of a model you built yourself versus one you inherited.
hands-on depth with actual tools, not just familiarity by name
Describe your experience with SAP, Oracle, or JD Edwards specifically in the context of demand planning. What did you pull from the ERP versus what you had to build outside of it?
whether ERP experience is real operational use or surface-level exposure
How would you separate demand coming from OEM channels versus distribution versus aftermarket for the same motor product line, and why does that distinction matter for planning?
industry-specific knowledge of motor markets and channel behavior, called out as preferred experience
How do you decide when demand variability calls for safety stock changes versus a supply response versus just accepting some risk to service level?
understanding of the tradeoffs between service level, inventory turns, and working capital named in the posting
If you had a dashboard tracking forecast accuracy, bias, and inventory health across multiple product lines, what would you actually look at first each week, and why?
practical reporting instincts and prioritization, not just tool proficiency
Situational
Say your forecast accuracy for a major motor product line has been sliding for three months. How do you figure out if it's a bias problem, a demand shift, or something wrong with your inputs?
structured root-cause thinking rather than jumping straight to blaming a data source
A new industrial motor product is launching and it's going to cannibalize an existing SKU that customers are still ordering. How would you model the transition and communicate the volume shift to operations and procurement?
ability to handle product lifecycle and phase-in/phase-out forecasting, a named responsibility in the role
Walk me through how you'd explain a forecast bias problem to an executive audience in an S&OP meeting. What would you actually put on the slide?
ability to translate technical analysis into an executive-level, actionable message
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Practice this out loudThe full job description
As published by Regal Rexnord.
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