Motor Drive & Power Electronics Engineer, Robotics

About Dexmate

Dexmate is building the foundation for physical AI by combining a new generation of robots with a universal Physical AI OS making robots easier to build and deploy. The company is focused on lowering the barrier to entry in robotics through a plug-and-play platform for developers researchers and enterprises.

The Role

Dexmate is looking for a Motor Drive and Power Electronics Engineer to own the inverter hardware that powers Dexmate actuators. This role will develop motor-drive circuits and PCBs from architecture through bench bring-up and production release working closely with motor and embedded controls engineers to ensure electrical limits sensing and protection support actuator performance.

Responsibilities

- Define inverter architecture and electrical operating limits with the actuator lead motor designer and robot power-system team.
- Design power stages gate drivers DC-link components current and voltage sensing encoder interfaces and hardware protection circuits.
- Own schematics PCB layout or layout oversight component selection and design reviews.
- Address switching loops grounding isolation requirements and thermal constraints.
- Bring up hardware with embedded controls engineers.
- Verify switching behavior sensing accuracy losses and safe responses to electrical faults.
- Develop bench characterization for efficiency current capability and thermal performance.
- Apply EMI/EMC principles and support pre-compliance testing.
- Prepare production documentation and electrical test requirements.
- Work with manufacturers and electrical test engineers to resolve failures and improve manufacturability.

Required Skills:

Must-haves:- Designed and brought up a BLDC PMSM servo inverter or motor-drive product on real hardware- Strong power-electronics fundamentals- Hands-on schematic and PCB design experience- Strong oscilloscope current-probe and power-analysis skills- Working knowledge of field-oriented control and motor characteristics- Ability to collaborate with firmware and motor engineers on hardware and system debuggingRequired Skills:- BLDC and/or PMSM motor-drive design- Servo inverter architecture- Power-stage design- Gate-driver design- DC-link component selection- Current and voltage sensing- Encoder interface design- Hardware protection circuits- Power semiconductor switching- PCB layout and layout review- Grounding and isolation- Thermal design considerations- Schematic capture using an industry-standard EDA tool- Oscilloscope and power-analysis debugging- Hardware bring-up- Electrical fault analysis and protection- Efficiency current-capability and thermal characterization- EMI/EMC fundamentals- Production documentation and test development- Cross-functional collaboration with motor controls firmware and manufacturing teamsDesired Skills:- Experience with high-density robot or servo drives- Experience with thermally constrained power-electronics layouts- Production release experience- EMI/EMC pre-compliance testing- Fault-injection testing- Functional-safety-related hardware development- Python-based test automation- Familiarity with motor-control firmware at the hardware interface