Senior Mechanical Design Engineer — Electric Motors, DoorDash Air

The role

This role involves designing and developing high performance electric motors for unmanned aerial vehicle propulsion. You will own motors from concept through production in a fast-paced, prototype-driven environment.

What you will do

• Collaborate with electro-mechanical design experts on winding and magnet design
• Work with internal, domestic and foreign manufacturing partners
• Collaborate with electrical, systems, structural, aerodynamics, reliability, and test engineers
• Design mass and volume optimized rotor and stator structures
• Perform bearing selection and bearing system design
• Handle electrical wiring and connector selection and integration
• Perform motor sensor selection and integration
• Perform structural and thermal finite element analysis (FEA)
• Build prototypes, fixtures, and test hardware using CNC tools and 3D printers
• Design for outdoor commercial operation including ingress protection and harsh environmental survival

Required qualifications

• Mechanical engineering bachelors degree
• 3+ years of experience
• Experience with dynamic mechanical systems (motors, actuators, mechanisms, etc.)
• Strong 3D modeling (CAD) skills for complex parts and assemblies
• Self sufficient with at least basic structural and thermal simulation
• Self sufficient with hands-on prototyping, metal fabrication, 3D printing
• Competence with assembly and test fixture design
• Familiar with electromechanical integration and wiring practices
• Experience designing hardware for outdoor or harsh environments
• Strong understanding of manufacturability and assembly methods
• Comfortable working in an exploratory, fast-paced environment

Nice to have

• Experience with electric motor manufacturing processes and equipment

Benefits

• 401(k) plan with employer matching
• 16 weeks of paid parental leave
• Wellness benefits
• Commuter benefits match
• Paid time off
• Paid sick leave
• Medical, dental, and vision benefits
• 11 paid holidays
• Disability and basic life insurance
• Family-forming assistance
• Mental health program

About the company

DoorDash is a technology and logistics company that started by enabling door-to-door delivery. They are investing in the next generation of delivery automation through a small, high-impact team building a new autonomous system.