Overview

STS Technical Services is hiring a Senior Motors Engineer in Brookfield, Wisconsin. This role supports the design, development, testing and production of electric motor systems used in high-performance products. The Senior Motors Engineer will lead complex motor development projects, evaluate motor performance and thermal limits, investigate failures and help guide technical direction across engineering and manufacturing teams. The ideal candidate combines strong electrical or mechanical engineering fundamentals with hands-on motor design, testing, simulation and manufacturing experience. Position Overview The Senior Motors Engineer will work with cross-functional engineering, global motor engineering and operations teams to develop and execute test plans that verify motor performance against project requirements. This position will also support new motor designs, improve existing designs, analyze test failures and develop solutions that can be efficiently manufactured at scale. Responsibilities Lead the design, prototyping, testing and troubleshooting of motors for complex engineering projects Develop and execute test regimens for motor components and assemblies Support design verification and failure mode evaluation Conduct hands-on testing of power tools and related products Perform engineering simulations Analyze test data and develop technical conclusions Perform root cause analysis on motor test failures Work with suppliers to develop component and product specifications Ensure supplier specifications meet performance requirements and process capabilities Develop an understanding of manufacturing processes that support high-volume motor and product production Perform electromagnetic design changes to motor laminations Improve existing motor designs based on performance requirements Develop clean-sheet brushless DC motor designs Optimize motor performance for specific product requirements Communicate project progress, technical barriers, risks and opportunities across the organization Develop work breakdown structures for assigned engineering activities Drive projects toward established technical milestones Schedule and facilitate technical meetings Develop meeting agendas and document technical discussions Prepare and deliver formal technical presentations Maintain urgency around project schedules Track project metrics and support accountability against project requirements Provide technical leadership to junior engineers Mentor, guide and coach developing engineers Use oscilloscopes, power supplies, electronic loads and data acquisition systems Independently track projects against established schedules and engineering processes Design and qualify new solutions to applicable UL requirements Support compliance with CEC, CE and ANSI standards Qualifications Bachelor of Science or Master of Science degree in Electrical Engineering, Mechanical Engineering or a related field Five or more years of related design experience with a bachelor's degree Two or more years of related design experience with a master's degree Experience using CAD software Competency using FEA tools Strong understanding of brushless DC motor theory Familiarity with brushed PMDC motors Familiarity with universal motors Familiarity with induction motors Familiarity with switched reluctance motors Understanding of motor controls Understanding of battery technology Knowledge of vibration and sound analysis Understanding of motor assembly Knowledge of motor component design and manufacturing Understanding of factors that influence motor cost and durability Ability to travel domestically and internationally approximately 10% of the time Preferred Qualifications Siemens NX experience Benefits Health insurance Dental insurance Vision insurance 401(k) savings plan Education assistance On-site wellness resources Fitness center On-site food and coffee service About STS Technical Services STS Technical Services is a Top 100 Staffing Firm that partners with leading a