Project Engineer, Control Firmware
Posted Jul 31, 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 found a bug late in testing. What did you do?
What they are checking: Whether they handle late findings honestly and improve the process to catch them earlier.
What would you do
Your model works in simulation but the motor behaves badly on the drive. How do you troubleshoot it?
What they are checking: Whether they think about timing, sensor noise, quantization and real hardware limits.
About the work
Walk me through how you'd design a motor control model in MATLAB/Simulink, from requirements to generated code.
What they are checking: Whether they know the model-based design workflow the posting describes, not just Simulink basics.
Explain field-oriented control for a permanent magnet synchronous motor as if you were teaching a new engineer.
What they are checking: Whether they understand the motor control theory behind the features they'll build.
How do control approaches differ for synchronous versus induction motors?
What they are checking: Whether they can develop features across the motor types the role names.
How do you test a control feature from bench simulation all the way to a real VFD and motor?
What they are checking: Whether they understand staged testing like model-in-the-loop and hardware testing before running real hardware.
How do you take part in requirement reviews to catch problems before coding starts?
What they are checking: Whether they read requirements critically and ask questions early.
How do you make sure generated code runs efficiently on an embedded processor?
What they are checking: Whether they understand fixed-point math, execution time and memory limits.
What safety concerns do you keep in mind when testing high-power motors and drives?
What they are checking: Whether they respect electrical and mechanical hazards in a lab with live equipment.
How do you work with a team on a shared Simulink model so changes don't conflict?
What they are checking: Whether they use version control and modular design in model-based development.
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Practice this out loudThe full job description
As published by Rockwell Automation.