Electrical Engineer – Power Electronics & Motor Control

DoorDash; San Francisco (CA); On-site; USD 161,000 - 238,000; Full time

Job summary

An innovative technology and logistics company is seeking a skilled Electrical Engineer specializing in Power Electronics and Motor Control. In this role, you'll be at the forefront of designing efficient power systems for autonomous delivery robots. Your expertise will contribute to the development of cutting-edge solutions that enhance energy efficiency and reliability. You'll collaborate with cross-functional teams to ensure seamless integration of power electronics into broader systems, all while working in a dynamic and inclusive environment. If you're passionate about robotics and AI, this is your chance to make a significant impact in a rapidly evolving industry.

Qualifications

• 5+ years of experience in power electronics design and motor control.
• Strong understanding of motor control techniques and circuit design.

Responsibilities

• Design and develop power electronic systems for robotic applications.
• Implement control algorithms for various types of motors.

Skills

Power Electronics Design

Motor Control Implementation

System Modeling & Simulation

Circuit Design

Failure Analysis & Troubleshooting

Cross-Functional Collaboration

Education

Bachelor’s degree in Electrical Engineering

Master’s degree in Electrical Engineering

Tools

MATLAB/Simulink

Altium

LTSpice

Job description

Electrical Engineer – Power Electronics & Motor Control

DoorDash Labs is an independent team within DoorDash. We are working on building autonomous delivery robots from the ground-up and other automation solutions as part of DoorDash's core delivery platform. If you have a passion for applying AI and robotics solutions in a service used by millions of people, then we want to talk to you!

About the Role

Drive the future of autonomous delivery! As a Motor Drive Power Electronics Engineer, you'll design efficient, compact, and reliable power systems, optimizing motor control and energy efficiency for real-world robotic applications.

You will report to the Lead of our Core Engineering team based in San Francisco. This role is in-office.

You're excited about this opportunity because you will…

• Power Electronics Design & Development: Design, develop, and enhance power electronic systems such as inverters, DC-DC converters, motor drives, and high-power systems for various applications.
• Motor Control Implementation: Develop, implement, and fine-tune control algorithms for AC and DC motors, including BLDC, PMSM, and induction motors.
• System Modeling & Simulation: Conduct system-level modeling, simulation, and analysis using tools like MATLAB/Simulink, SPICE, or equivalent software to validate designs.
• Circuit Design: Create analog, digital, and mixed-signal circuits for power converters and motor control systems with a focus on performance, reliability, and efficiency.
• Prototyping & Validation: Build prototypes and perform testing to validate motor drives, controllers, and power systems in both lab and real-world environments.
• Thermal Management Integration: Collaborate with mechanical engineers to design and implement effective thermal management strategies for high-power components.
• EMI/EMC Standards Compliance: Ensure that designs meet relevant electromagnetic compatibility, regulatory, and safety standards to prevent interference and ensure system robustness.
• Failure Analysis & Troubleshooting: Diagnose and resolve issues in hardware design, production processes, and field applications, ensuring system reliability and performance.
• Cross-Functional Collaboration: Work closely with firmware, mechanical, and systems engineering teams to ensure efficient integration of power electronics into broader system designs.

We're excited about you because…

• Experience in automotive, aerospace, or renewable energy applications.
• Bachelor’s or Master’s degree in Electrical Engineering or a related field.
• 5+ years of experience in power electronics design, motor control, or related areas.
• Strong understanding of motor control techniques such as field-oriented control (FOC) control.
• Proficiency in circuit design and simulation tools (e.g., Altium, LTSpice, MATLAB/Simulink).
• Experience with high-voltage, high-power design and protection strategies.
• Knowledge of power semiconductors (IGBTs, MOSFETs, SiC, GaN) and gate drive circuits.
• Hands-on experience in PCB design and layout with EMI/EMC considerations.
• Knowledge of thermal management techniques for power devices.

Compensation

The successful candidate's starting pay will fall within the pay range listed below and is determined based on job-related factors including, but not limited to, skills, experience, qualifications, work location, and market conditions. Base salary is localized according to an employee’s work location. Ranges are market-dependent and may be modified in the future.

The base pay for this position ranges from our lowest geographical market up to our highest geographical market within the United States: $161,800 — $238,000 USD.

About DoorDash

At DoorDash, our mission to empower local economies shapes how our team members move quickly, learn, and reiterate in order to make impactful decisions that display empathy for our range of users—from Dashers to merchant partners to consumers. We are a technology and logistics company that started with door-to-door delivery, and we are looking for team members who can help us go from a company that is known for delivering food to a company that people turn to for any and all goods.

Our Commitment to Diversity and Inclusion

We’re committed to growing and empowering a more inclusive community within our company, industry, and cities. That’s why we hire and cultivate diverse teams of people from all backgrounds, experiences, and perspectives. We believe that true innovation happens when everyone has room at the table and the tools, resources, and opportunity to excel.