Electrical Engineer II
Posted Sep 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
Walk me through a circuit board you designed from schematic to working hardware. What went wrong on the first spin?
What they are checking: Whether they have real hands-on design experience and learn from bring-up problems.
Tell me about a time you worked closely with a firmware engineer to solve a problem that sat between hardware and software.
What they are checking: Whether they collaborate across that boundary, since electronics and firmware are developed together in-house here.
Tell me about a design decision you made that you later realized was wrong. How did you find out and what did you change?
What they are checking: Whether they own their mistakes and improve their process, which matters on a team that values ownership.
What interests you about power electronics in cordless tools compared with other places you could apply your skills?
What they are checking: Whether they are genuinely drawn to this kind of high-power, compact, rugged design work.
What would you do
A prototype resets randomly under heavy load, but only some of the time. How do you track it down?
What they are checking: Whether they debug systematically with a scope, looking at supply droop, noise and ground bounce instead of guessing.
Your design passes on the bench but fails EMC testing. What are your first moves?
What they are checking: Whether they know common emission sources in motor drives and practical fixes like filtering and layout changes.
About the work
How would you choose MOSFETs for the inverter in a brushless motor drive running off an 18-volt battery pack?
What they are checking: Whether they weigh voltage margin, on-resistance, switching losses and thermal limits for a high-current power tool.
What does good PCB layout look like for a high-current motor drive, and what problems happen when it's done poorly?
What they are checking: Whether they understand current loops, grounding and noise, which make or break power electronics in a compact tool.
How do you protect electronics in a cordless tool from stall currents, overheating and a battery that's nearly empty?
What they are checking: Whether they design for the abuse real users put on tools, not just normal operating conditions.
How do you verify a new design before you call it done? What tests do you run and what margins do you look for?
What they are checking: Whether they validate across temperature, voltage and part tolerance rather than one bench test at room temperature.
How do you think about component cost and supply availability when you pick parts?
What they are checking: Whether they design for production volume and supply risk, not just for the best part on paper.
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Practice this out loudThe full job description
As published by Milwaukee Tool.