Senior Mechanical Design Engineer — Electric Motors, DoorDash Air

DoorDash US
San Francisco
Workplace: HybridFull timeUSD 170,000 - 250,000 annuallyFunction: Design (Product/UX/UI/Visual)Experience: 3+ yearsEducation: bachelorsSkills: ["Architectural ownership","Cross-functional collaboration","Mentoring","Rapid iteration","Hands-on engineering"]

Design and develop high-performance electric motors for UAV propulsion, taking architectural ownership from concept through production. You’ll collaborate with electro-mechanical, electrical, systems, structural, aerodynamics, reliability, and test teams, and with domestic/foreign manufacturing partners. Build prototypes, fixtures, and test hardware using in-house machining and additive tools, perform structural and thermal FEA, and deliver designs optimized for mass/volume and outdoor harsh-environment operation.

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FursaFursa
DoorDash US
DoorDash US
3 days ago

Senior Mechanical Design Engineer — Electric Motors, DoorDash Air

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Source: Company careers pageValidated by: Fursa AI
Last checked: 17 hours agoStatus: Live
Reposted: similar role first listed 3 months ago

Job Summary

Design and develop high-performance electric motors for UAV propulsion, taking architectural ownership from concept through production. You’ll collaborate with electro-mechanical, electrical, systems, structural, aerodynamics, reliability, and test teams, and with domestic/foreign manufacturing partners. Build prototypes, fixtures, and test hardware using in-house machining and additive tools, perform structural and thermal FEA, and deliver designs optimized for mass/volume and outdoor harsh-environment operation.
Location: San Francisco
Workplace: Hybrid
Employment Type: Full time
Job Function: Design (Product/UX/UI/Visual)
Seniority: Mid level

Key Responsibilities

  • •Design mass- and volume-optimized rotor and stator structures for electric motors.
  • •Select and integrate bearings, sensors (e.g., rotary encoders and temperature), and electrical wiring/connectors.
  • •Run structural and thermal finite element analysis (FEA) to optimize performance and reliability.
  • •Build prototypes, fixtures, and test hardware using CNC tools and 3D printers.
  • •Deliver end-to-end motor ownership from concept through production for outdoor, harsh-environment operation.
Travel: Low travel

Pay and Benefits

Salary: USD 170,000 - 250,000 annually
Equity and Bonus:Equity
Perks:401kParental LeaveMedicalDentalVisionWellness StipendPaid Leave

Key Requirements

  • •Bachelor’s degree in mechanical engineering and 3+ years of experience.
  • •Experience with dynamic mechanical systems such as motors, actuators, or mechanisms.
  • •Strong 3D modeling (CAD) skills for complex parts and assemblies.
  • •Ability to perform basic structural and thermal simulation/self-sufficient simulation work.
  • •Hands-on prototyping skills including metal fabrication and 3D printing, plus assembly and test fixture design.
Experience:3+ years
Education:Bachelor's
Skills:Architectural ownershipCross-functional collaborationMentoringRapid iterationHands-on engineering
Tech Stack:CAD3D modelingFinite element analysis (FEA)Structural analysisThermal simulationCNC tools3D printersWelding equipmentAdditive manufacturing toolsElectrical wiringConnectorsRotary encoders

Company Brief

DoorDash US
On-demand logistics platform connecting consumers with local restaurants, grocers, and retailers for food delivery, pickup, and convenience services. Operates a marketplace and last-mile delivery network while offering tools and analytics for merchants and couriers.
Industry: Online Marketplaces
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Public Company
Valuation: Public Company (Market Cap in USD)
Funding: IPO / Publicly Listed
Headquarters: San Francisco, United States
Founded: 2013
WebsiteLinkedIn