Motor Engineer II
Posted Mar 2, 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 motor you designed or tested that did not meet its targets. How did you find the cause?
What they are checking: Honest problem solving through hands-on testing, which this team does in-house.
Tell me about working closely with electrical or firmware engineers on motor control.
What they are checking: Whether they see the motor and its controller as one system rather than separate parts.
What would you do
You are working with a global motor team in another time zone and you disagree on a design choice. How do you work it out?
What they are checking: Collaboration with global teams using data instead of rank or distance to settle disagreements.
How do you plan a test to prove a motor will survive the abuse a jobsite tool sees?
What they are checking: Thinking about durability, stall events and real-world use beyond lab ratings.
About the work
Walk me through how you would size a brushless motor for a new cordless tool given a torque and speed target.
What they are checking: Core motor design reasoning that links stack length, windings and magnets to performance on a fixed battery voltage.
How do you trade off efficiency, power density and cost in a motor design for a handheld tool?
What they are checking: Whether they understand that users feel weight and runtime, so every gain has a cost elsewhere.
What analysis tools have you used for electromagnetic or thermal simulation, and how much do you trust their results?
What they are checking: Experience with FEA and the judgment to check simulation against test data.
How do you manage motor heating in a tool that runs under heavy load in a closed housing?
What they are checking: Thermal thinking about winding temperature, airflow and protecting the magnets from demagnetization.
How do you design a motor so it can be built consistently on a production line?
What they are checking: Design for manufacturing awareness around winding, lamination stacking and magnet insertion.
What would you check if a prototype motor shows more noise and vibration than expected?
What they are checking: Knowledge of cogging, torque ripple, balance and bearing issues.
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As published by Milwaukee Tool.