Electrical Engineer - Motor Controller (PCB) 电机控制器PCB设计工程师

At Mentee Robotics, we are redefining humanoid automation with an AI-first approach - combining perception, reasoning, and dexterous manipulation into fully autonomous systems that continuously learn and adapt.

在 Mentee Robotics，我们以 AI 优先的理念重新定义人形机器人自动化——将感知、推理与灵巧操作融合为能够持续学习与自适应的全自主系统。

We are now expanding with a new robotics Engineering Center in China, working hand-in-hand with our engineering teams in headquarters. Its mission: to rapidly develop our next-generation full-size humanoid and bring it to life - a walking, working platform that becomes the foundation of our next generation of products. This is a small, senior, hands-on team where speed of iteration is the core value.

我们正在中国设立全新的机器人工程中心，与总部的工程团队紧密协作。其使命是：快速研发我们下一代全尺寸人形机器人并使其落地——一个能行走、能工作的平台，成为我们下一代产品的基础。这是一支精干、资深、亲力亲为的团队，迭代速度是其核心价值。

We are looking for an Electrical Engineer to design the Motor Controller PCB at the heart of every joint of our humanoid: a compact, high-current FOC drive that our embedded and motion control engineers will bring to life. You own the board - schematic to bring-up.

我们正在寻找一位硬件工程师，负责设计位于我们人形机器人每个关节核心的电机控制器 PCB：一款紧凑、大电流的 FOC 驱动器，由我们的嵌入式与运动控制工程师将其落地。你将全权负责这块板卡——从原理图到调试上电。

Who you are期待中的你

A power-electronics and mixed-signal designer who loves compact, high-density boards
一位热爱紧凑、高密度PCB板的功率电子与混合信号设计师
Rigorous on the bench: you validate your design with current probes and thermal cameras, not assumptions
在测试台上严谨求实：你用电流探头与热像仪验证设计，而非凭假设
A close collaborator - your daily partners are firmware and control engineers
一位紧密的协作者——你日常的伙伴是固件与控制工程师

Responsibilities岗位职责

Design the joint motor controller PCB: inverter stage (MOSFET selection, gate drivers), phase current sensing, bus voltage sensing, and protections
设计关节电机控制器 PCB：逆变级（MOSFET 选型、栅极驱动）、相电流采样、母线电压采样与保护
Design encoder, temperature, and auxiliary sensor interfaces on the board
在板上设计编码器、温度与辅助传感器接口
Integrate the communication physical layer (EtherCAT/CAN) and MCU subsystem in partnership with the embedded team
与嵌入式团队合作，集成通信物理层（EtherCAT/CAN）与 MCU 子系统
Own layout for high-current, high-density, thermally constrained boards that package inside actuator modules
负责需封装于执行器模块内部的大电流、高密度、受热约束PCBA的布局
Run board bring-up: power-on, signal integrity, current loop sanity, thermal validation under load
进行PCBA调试上电（Board bring up）：上电、信号完整性、电流环合理性以及负载下的热验证
Iterate fast across board revisions with local PCB/PCBA suppliers together with sourcing
与供应链团队一起，借助本地 PCB/PCBA 供应商在各版本板卡间快速迭代
Support EMI/EMC robustness and harness/connector definition with the power systems engineer
与电源系统工程师一起支持 EMI/EMC 鲁棒性以及线束/连接器的定义

Requirements任职要求

B.Sc. or M.Sc. in Electrical Engineering or related fileds
电气工程或相关专业学士或硕士学位
8+ years designing motor drive or power electronics boards (BLDC inverters, servo drives, ESCs, or similar)
8年以上电机驱动或功率电子板卡设计经验（无刷直流逆变器、伺服驱动器、电调或类似产品）
Strong schematic and layout skills (Altium or equivalent) for mixed-signal, high-current designs
针对混合信号、大电流设计具备扎实的原理图与布局能力（Altium 或同类工具）
Hands-on bring-up and debug experience: oscilloscopes, current probes, thermal measurement
具备动手调试上电与排错经验：示波器、电流探头、热测量
Solid understanding of FOC drive requirements: current sensing accuracy, PWM dead-time, gate drive design
扎实理解 FOC 驱动的各项要求：电流采样精度、PWM 死区时间、栅极驱动设计
Experience working closely with firmware teams on board bring-up
具备在板卡调试上电中与固件团队紧密协作的经验

Advantages加分项

Experience with integrated actuator drives ('smart joints') in robotics or drones
具备机器人或无人机领域集成式执行器驱动（“智能关节”）的经验
EtherCAT or CAN-FD hardware integration experience
具备 EtherCAT 或 CAN-FD 硬件集成经验
Experience with GaN or high-frequency switching designs
具备氮化镓（GaN）或高频开关设计经验
Familiarity with functional safety concepts (STO, protections)
熟悉功能安全概念（STO、各类保护）
Comfortable communicating technical topics in English with international teams
能够用英语与国际团队就技术话题进行交流