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About the Role

This is an exploratory product space with significant opportunity for architectural ownership. This role is on-site in San Francisco’s mission district at least 3 days per week, with flexibility to work from home as appropriate. Occasional travel to suppliers is expected. You will operate in a very fast-paced, prototype-driven environment where hands-on engineering and rapid iteration are encouraged. We provide access to a full machine shop with welding equipment, additive manufacturing tools, electrical integration tools, and significant in-house test capability to enable efficient concept-to-hardware development. This is a senior role that offers autonomy, cross-functional collaboration, mentoring, and opportunities for increasing responsibility.

Responsibilities

Collaborate closely with electro-mechanical design experts on winding and magnet design.
Collaborate with internal, domestic and foreign manufacturing partners.
Collaborate with electrical, systems, structural, aerodynamics, reliability, and test engineers as well as industrial design to refine requirements.
Design mass and volume optimized rotor and stator structures.
Perform bearing selection and bearing system design.
Select and integrate electrical wiring and connectors.
Select and integrate motor sensors (rotary encoders, temperature, etc.).
Perform structural and thermal finite element analysis (FEA) to optimize performance and reliability.
Take ownership of motors from concept through production.
Build prototypes, fixtures, and test hardware using CNC tools and 3D printers.
Design for outdoor commercial operation including ingress protection and harsh environmental survival.

Requirements

Mechanical engineering bachelors degree and 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.
Bonus points for experience with electric motor manufacturing processes and equipment.

Skills

Electric motor design
UAV propulsion
3D modeling (CAD)
Structural analysis (FEA)
Thermal analysis (FEA)
Prototyping
Metal fabrication
3D printing
Assembly fixture design
Test fixture design
Electromechanical integration
Wiring practices
Outdoor hardware design
Harsh environment design
Manufacturability
Assembly methods

Location

San Francisco

Work Type

On-site
Hybrid

Experience Level

Senior
3+ years of experience

Education Level

Mechanical engineering bachelors degree

Salary/Compensations

$109,500—$161,000 USD
$134,000—$197,000 USD
$161,800—$238,000 USD

Benefits

Opportunities for equity grants
401(k) plan with employer matching
16 weeks of paid parental leave
Wellness benefits
Commuter benefits match
Paid time off
Paid sick leave
Medical benefits
Dental benefits
Vision benefits
11 paid holidays
Disability insurance
Basic life insurance
Family-forming assistance
Mental health program
Flexible paid time off/vacation (for salaried roles)
80 hours of paid sick time per year (for salaried roles)

About the Company

DoorDash completes over 2.5 billion deliveries per year and is investing heavily in the next generation of delivery automation.
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 by enabling door-to-door delivery, and we are looking for team members who can help us go from a company that is known as the place you order food to a company that people turn to for any and all goods.
DoorDash is growing rapidly and changing constantly, which gives our team members the opportunity to share their unique perspectives, solve new challenges, and own their careers.

Equal Opportunity

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.
Statement of Non-Discrimination: In keeping with our beliefs and goals, no employee or applicant will face discrimination or harassment based on: race, color, ancestry, national origin, religion, age, gender, marital/domestic partner status, sexual orientation, gender identity or expression, disability status, or veteran status. Above and beyond discrimination and harassment based on “protected categories,” we also strive to prevent other subtler forms of inappropriate behavior (i.e., stereotyping) from ever gaining a foothold in our office. Whether blatant or hidden, barriers to success have no place at DoorDash. We value a diverse workforce – people who identify as women, non-binary or gender non-conforming, LGBTQIA+, American Indian or Native Alaskan, Black or African American, Hispanic or Latinx, Native Hawaiian or Other Pacific Islander, differently-abled, caretakers and parents, and veterans are strongly encouraged to apply. Thank you to the Level Playing Field Institute for this statement of non-discrimination.
Pursuant to the San Francisco Fair Chance Ordinance, Los Angeles Fair Chance Initiative for Hiring Ordinance, and any other state or local hiring regulations, we will consider for employment any qualified applicant, including those with arrest and conviction records, in a manner consistent with the applicable regulation.
If you need any accommodations, please inform your recruiting contact upon initial connection.