Lead Motor Engineer

The Lead Motor Systems Engineer is Klein Tools primary technical authority for high-current brushless DC (BLDC) and related DC motor-drive systems used in lithium-ion battery-powered products. Based in Ningbo China this individual leads motor hardware power electronics embedded control system integration validation supplier development and production readiness for global programs. The role works independently through cross-functional teams and has no direct reports. This position joins a long-standing American brand during rapid growth in China and will help establish a permanent engineering team in China that delivers safe efficient production-ready solutions globally.1. Lead architecture and technical direction for high-current BLDC and DC motor-drive systems.2. Define torque speed position power efficiency thermal acoustic duty cycle and life targets.3. Integrate motors with lithium-ion batteries embedded controls gearing and mechanical loads.4. Select and optimize BLDC brushed DC and permanent-magnet synchronous motor architectures.5. Evaluate winding topology turns wire gauge resistance inductance pole count back-EMF Kt and Kv.6. Develop and tune six-step commutation FOC SVPWM and current torque speed or position loops.7. Develop or direct embedded C/C firmware using STM32 Arm DSP or similar motor-control platforms.8. Design and validate three-phase inverters MOSFET stages gate drivers sensing PWM and PCB layouts.9. Define protection for overcurrent short circuit shoot-through voltage faults heat stall and locked rotor.10. Build prototype controller boards inverter stages sensing circuits and test fixtures.11. Lead controller and inverter bring-up debugging characterization and design Qualification RequirementsBachelors degree in Electrical Mechanical Electromechanical Mechatronics or a related engineering field with eight (8) or more years of relevant least five (5) years must be in BLDC or related motor-drive development including lithium-ion battery-powered systems operating from 5 A to 150 demonstrate system-level expertise across motor hardware power electronics control algorithms and embedded knowledge includes motor construction and windings magnetic design six-step commutation FOC SVPWM sensorless or position feedback three-phase inverters gate drivers current sensing PWM dead time grounding thermal management protection and high-current PCB be able to develop review or direct embedded C/C firmware using STM32 Arm Cortex DSP or comparable -on proficiency with oscilloscopes differential and current probes power and logic analyzers electronic loads and dynamometers is interpret waveforms and test data to resolve hardware firmware EMI/EMC thermal communication and reliability with simulation HIL testing supplier development and production launch in China is in Mandarin Chinese and English is role has an annual salary range of $150000 - $175000. In addition to salary youre eligible for competitive benefits that support you and your family as part of your total rewards package at Klein Tools Inc. Actual compensation is influenced by a wide array of factors including but not limited to skills experience and addition Klein Tools offers a discretionary bonus program which is based on a number of factors including individual and company performance.