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Senior Electrical Engineer - Hardware/Power Electronics

Milwaukee Tool · Brookfield, WI · Full time

Posted Aug 17, 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 power electronics design you led from concept to production.

What they are checking: Full-cycle ownership at a senior level.

Tell me about a time you mentored a younger engineer on hardware design.

What they are checking: Willingness to grow the team, expected at a senior level.

What would you do

A board fails during stall testing. How do you find the root cause?

What they are checking: Methodical debugging of power failures with the right measurements.

How do you work with firmware engineers so the hardware and control code fit well together?

What they are checking: Collaboration on protection, sensing and control behavior across teams.

Your design meets specs but costs too much. How do you bring cost down?

What they are checking: Cost reduction judgment without sacrificing reliability.

About the work

Walk me through how you would design an inverter for a brushless motor in a cordless tool.

What they are checking: Core power electronics design including MOSFET choice, gate drive and layout.

How do you choose MOSFETs for a high-current tool, and what tradeoffs matter most?

What they are checking: Understanding conduction loss, switching loss, thermal limits and cost.

What layout practices do you follow on a high-current power board?

What they are checking: Practical PCB layout skill for current paths, loop inductance and heat.

How do you design for EMC on a power board, and how do you fix a failure late in development?

What they are checking: EMC awareness during design and practical fixes when testing fails.

How would you estimate the thermal performance of a board before you build it?

What they are checking: Using calculations and simulation to predict heat and size cooling.

How do you design current sensing that stays accurate over temperature?

What they are checking: Precision measurement design in a harsh thermal environment.

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The full job description

As published by Milwaukee Tool.

Job Description: Applicants must be authorized to work in the U.S.; Sponsorship is not available for this position at this time. INNOVATE WITHOUT BOUNDARIES! At Milwaukee Tool we firmly believe that our People and our Culture are the secrets to our success – so we give you unlimited access to everything you need to create disruptive new technologies and solutions on our electrical engineering teams. Our Engineering Team is responsible for giving life to the batteries, motors, and electronics that power solutions changing the lives of our users. Every developmental phase of these critical components happens in-house under the watch of this team. We continue to invest in electrical engineering resources to design and develop leadership in electronic capabilities; something unique within the industry. And we’re pushing the limits in firmware engineering, power electronics, embedded systems, machine learning, and the use of artificial intelligence. Behind our doors you’ll be empowered every day to own it, drive it, and do what it takes to design and develop the biggest breakthroughs in the industry. Meanwhile, you’ll have the support and resources of the fastest-growing brand in the construction industry to make it happen. Year after year, our team continues to make significant breakthroughs in the industry. We’re just getting started. To learn more about our story click   HERE. This Senior Electrical Engineer position is within the Chargers and Portable Power group. You will create best in class electronics by leading the design, driving electronics technology investigation, and scoping against requirements to effectively and efficiently deliver to the NPD team for mass production launch. You’ll also be DISRUPTIVE through these duties and responsibilities: • Design, prototype, test, and troubleshoot embedded electronics hardware and firmware, leading end‑to‑end design activities and design reviews across topology and component selection, schematic capture, PCB layout, prototyping, and test plan execution • Partner with cross-functional project teams to drive trade-off discussions and gain alignment on the electronics requirements for NPD projects. • Communicate effectively up, down, and across the organization, translating complex power electronics topics to both technical and non‑technical team members. • Research and engage with prospective suppliers on the selection of new technologies including power conversion ICs, controllers, magnetics, and supporting analog and digital components. • Demonstrate Milwaukee Tool’s culture of high performance and agility by independently creating Work Breakdown Structures, driving to critical milestones, and helping the team resolve technical and execution barriers. • Contribute to the continuous improvement of engineering tools, processes, and team capability as the product portfolio and organization scale. What TOOLS you’ll bring with you: • Bachelor’s degree in Electrical Engineering or related field. • 6+ years of experience in power electronics or mixed-signal hardware design, preferably supporting chargers, adapters, or inverter‑based systems. • Fundamental understanding of lithium‑ion battery charging principles and associated power conversion interfaces. • Strong understanding of switching power supply topologies, magnetics, control methods, and power device selection. • Demonstrated ability to lead technical projects and mentor engineers without formal authority. • Passion for hands‑on development, solving complex problems, and contributing to building high‑performance engineering teams. • Ability to travel 10% of the time (domestic and international). We provide these great perks and benefits: • Robust health, dental and vision insurance plans. • Generous 401 (K) savings plan. • Education assistance. • On-site wellness, fitness center, food, and coffee service. • And many more, check out our benefits site HERE. Milwaukee Tool is an equal opportunity employer.

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