Robotics Motor Design Engineer: PMSM/BLDC Actuators

Dexmate Inc.

Fremont (CA)

On-site

USD 120,000 - 180,000

Full time

4 days ago

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Job summary

Dexmate Inc. is seeking a Motor Electromagnetic Design Engineer in Fremont, CA to develop PMSM and BLDC motors for integrated robot actuators.

You will own the electromagnetic design from topology and sizing through prototype characterization, collaborating with mechanical, thermal, and drive engineers to meet packaging and duty-cycle limits. You will evaluate motor topologies, design windings and magnets, run FEA analyses, and coordinate with suppliers and prototype builds to validate

Qualifications

Hands-on electromagnetic design experience with PMSM or BLDC motors.
Strong understanding of winding design, magnetic circuits, materials, loss mechanisms and torque production.
Proficiency in an electromagnetic design or FEA tool such as Motor-CAD, JMAG, Ansys Maxwell, Flux or an equivalent workflow.
Ability to connect simulation to test data and work directly with mechanical, thermal, inverter and manufacturing engineers.

Responsibilities

Evaluate motor topologies and size active materials for torque‑speed, efficiency and mass.
Design slot and pole combinations, winding layouts, magnets, laminations and air gaps; evaluate saturation and torque ripple.
Build electromagnetic FEA models and report assumptions and properties.
Co‑design the motor with thermal and mechanical engineers, accounting for heat paths and manufacturability.
Work with drive and firmware engineers on motor parameters, bus voltage and current limits.
Support suppliers and prototype builds; characterize motors on bench or dynamometer and compare with predictions.