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Sr. Automation Engineer - Mechatronics

Milwaukee Tool · Menomonee Falls, 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

Walk me through an automated test system you built from scratch, from requirements to running in the lab.

What they are checking: End-to-end ownership of a test station across mechanical, electrical and software pieces.

Tell me about a time a test system you built produced data that turned out to be wrong. How did you catch it?

What they are checking: Humility and rigor in verifying that a test system measures what it claims.

Tell me about a time you mentored a less experienced engineer on an automation project.

What they are checking: Senior-level willingness to build up teammates instead of doing everything alone.

What would you do

The validation team needs a new test in four weeks, but a proper station would take ten. What do you do?

What they are checking: Finding a workable interim solution while being honest about its limits.

How do you work with product engineers who keep changing what they want the test to do?

What they are checking: Managing shifting requirements with clear scope, communication and change control.

About the work

How would you design a fixture to cycle-test a cordless tool's trigger and switch thousands of times?

What they are checking: Practical mechatronic design with actuators, sensors and durability in mind.

What PLC or control platforms have you programmed, and how do you structure the code so someone else can maintain it?

What they are checking: Writing control logic that is clear and supportable, not just functional for its author.

How do you choose sensors to measure torque, speed or current on a tool under test?

What they are checking: Matching sensor range, accuracy and sample rate to what the test needs to capture.

A test station gives results that drift over a long test run. How do you find the cause?

What they are checking: Troubleshooting across mechanical wear, sensor drift, thermal effects and software.

How do you build safety into an automated test cell where people will load tools?

What they are checking: Awareness of guarding, interlocks and safe states for people working near automation.

How do you make sure test data gets saved and is easy for engineers to use later?

What they are checking: Thinking about data logging and structure as part of the test system, not an afterthought.

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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. Come be DISRUPTIVE with us! 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 innovative new solutions on our engineering team. All our teams touch every step of the process, that is why our Engineering teams are some of the key contributors to our continuous innovations. The fast-paced, agile environment continuously delivers disruptive technologies by providing every team with the resources needed to excel and working directly with End Users to understand how to deliver heavy duty products with high performance. We create Best in Class products by leveraging advanced analysis tools, extensive testing regimes, state-of-the-art manufacturing processes and cross-functional agility. To learn more about the Milwaukee story and our company click HERE . Dept Engineering Overview: At Milwaukee Tool, Disruptive Innovation is not exclusive to the products introduced to the market; Disruptive Innovation is extended to all facets of the company including engineering support roles. As a team of Automation Engineers, we develop innovative automated test systems to support the validation of service repair work within our Service Hubs and Factory Service Centers . We work cross-functionally with Service Quality and Reliability Engineers, Service NPD Engineers, and Service Operations . We make empowered decisions to rapidly enhance reliability and confidence that your tool’s service repair operation is done correctly . Additionally, we support troubleshooting and design revisions to continuously improve existing systems. We are looking for engineers passionate about product testing, team collaboration, and automation . A typical Automation Engineer has vertical mechatronics skillsets including Electrical and Programming. While an engineer might specialize in one discipline, each engineer is expected to be agile across disciplines. You’ll also be DISRUPTIVE through these duties and responsibilities: Create and upkeep electrical schematics for system power, system safety, system measurements and physical panel layouts CAD • Specify and approve system design stage uncertainty for all measurements devices included in the system design. • W ork with calibration vendor to verify uncertainty was upheld during integration • Specify facilities power requirements for the system • Conduct and approve impedance, filtering, amperage, power, voltage, and conversion calculations • Develop equipment and test systems to support Service H ubs and Factory Service Centers . • Integrate and troubleshoot physical hardware, sensors, and motion devices across domestic and global service centers . • Drive discussion and scope surrounding system requirements in collaboration with Service NPD, Service QE/RE, and Service Operations . • Create system documentation including BOM (bill of materials) and operational instructions. • Work with vendors for procurement of BOM material, costing, and schedule . • Analyze project risks and provide assessment to leadership – included but not limited to: Cost, Schedule, Procurement, Design, and Safety. • Prioritize and manage multiple projects - Adhere to timelines and excel in a fast-paced high-energy environment. • Collaborate with other engineers in technical solutions and implementation across domestic and global service centers . • Maintain technical competency and remain current in technology. Qualifications: • Requires a bachelor’s degree in Electrical, Mechanical Engineering or related field. • 5+ Years’ Experience in electrical design utilizing CAD • Experience with root cause analysis tools (e.g., 5 Whys, Fishbone, FMEA) • Familiarity with Lean Manufacturing and Six Sigma principles is a plus • Hands on experience with building, integrating, and debugging industrial systems • Ability to provide candid feedback to coworkers and leadership • Willing to travel (1 5 %) – Travel includes: Greenwood, IN, Greenwood, MS, Toronto, ON Preferred Skills: • Exposure to ASANA, Solidworks Electrical, National Instruments is desirable • Familiarity with ERP Systems (e.g., SAP, Oracle) • Mastery of test and measurement techniques, including sensor technology, signal conditioning, data acquisition and uncertainty calculations. • Vast e xperience with industrial power systems – transformers, single/three phase power, machine panel layouts, DC power, safety devices, isolation, power conversion, digital and analog sensors/devices. • Vast Experience with PLC Ladder Logic – Debug and New Development Milwaukee Tool is an equal opportunity employer.

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