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Project Engineer, Control Firmware

Rockwell Automation · Mequon, WI · Full time

Posted Jul 31, 2026 · We last checked this listing on Oct 6, 2026

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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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The full job description

As published by Rockwell Automation.

Rockwell Automation is a global technology leader focused on helping the world’s manufacturers be more productive, sustainable, and agile. With more than 28,000 employees who make the world better every day, we know we have something special. Behind our customers - amazing companies that help feed the world, provide life-saving medicine on a global scale, and focus on clean water and green mobility - our people are energized problem solvers that take pride in how the work we do changes the world for the better. We welcome all makers, forward thinkers, and problem solvers who are looking for a place to do their best work. And if that’s you we would love to have you join us! Job Description As a Project Engineer, Control Firmware, you develop, maintain, and test embedded software features related to motor controls. You will be responsible for design, implementation, and testing of code plus involvement in requirement specifications and reviews. The coding is model-based and implemented in MATLAB/Simulink and you will test the code at several stages, from bench simulation to implementation on actual variable frequency drives (VFDs) and motors. You will report to the Firmware Development Team Lead and will work Hybrid in Mequon, Wisconsin, US. Primary Responsibilities: • Design motor control models in MATLAB/Simulink • Develop features for synchronous, induction and permanent magnet motors • Interface model-based code to other embedded software modules using C/C++ • Simulate and test the model locally and on drives/motors • Optimize code for performance, memory requirement and simplicity • Validate code for reliability and safety • Participate in code reviews • Participate in requirement specifications • Lead investigation of anomalies and new features • Work in an agile/scrum environment with a team of other control firmware engineers • Knowledge of motor control algorithms, including algorithms for induction, synchronous and permanent magnet motors • Knowledge of multiple power converters (3 phase VSI, CSI, NPC, Multi-level, and Matrix converters) • Knowledge of converter control schemes, converter modulation strategies and drive systems modeling • Experience with model-based development in MATLAB/Simulink • Knowledge of C/C++ • Lead the investigation of anomalies and the exploration of new features and control algorithms. • Communicate technical complex information in verbal and written form • Organize activities of other employees. • Experience working in an agile development environment. The Essentials - You Will Have: • Bachelor's Degree or Equivalent Years of Relevant Work Experience • Legal authorization to work in the US is required. We will not sponsor individuals for employment visas, now or in the future, for this job opening. The Preferred - You Might Also Have: • 12+ years of related experience. • Master of Science in Computer Engineering or Electrical Engineering or equivalent. • Twelve years of experience in embedded software development with an emphasis on model-based design and real-time systems • Experience with the development of motor drives or power converters and their associated control systems • Experience working in a SAFe Environment What We Offer: • Health Insurance including Medical, Dental and Vision • 401k • Paid Time off • Parental and Caregiver Leave • Flexible Work Schedule where you will work with your manager to enjoy a work schedule that can be flexible with your personal life. • To learn more about our benefits package, please visit at www. raquickfind.com . At Rockwell Automation we are dedicated to building a diverse, inclusive and authentic workplace, so if you're excited about this role but your experience doesn't align perfectly with every qualification in the job description, we encourage you to apply anyway. You may be just the right person for this or other roles. This position is part of a job family. Experience will be the determining factor for position level and compensation. #LI-Hybrid #LI-LifeAtRok #LI-SS1 We are an Equal Opportunity Employer including disability and veterans. If you are an individual with a disability and you need assistance or a reasonable accommodation during the application process, please contact our services team at +1 (844) 404-7247. Rockwell Automation’s hybrid policy aligns that employees are expected to work at a Rockwell location at least Mondays, Tuesdays, and Thursdays unless they have a business obligation out of the office.

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