Mechanical Engineer - Lighting & Audio Systems

5 hours, 5 minutes ago
Full-time
Senior
IoT and Embedded Systems
DoorDash

DoorDash

DoorDash empowers small business owners by providing an affordable and convenient platform for local delivery services, primarily focusing on restaurant food delivery.

Air Freight & Logistics
10K-50K
Founded 2012

Description

  • Own end-to-end development of DOT’s lighting systems, including interactive visual elements, headlights, taillights, LEDs, light pipes, diffusers, and housings.
  • Lead the mechanical design and integration of audio systems, including speaker enclosures and microphone placement for two-way communication.
  • Translate product and UX requirements into robust mechanical designs that support intuitive interaction through light and sound.
  • Develop detailed CAD models, assemblies, and production drawings and drive design reviews.
  • Collaborate cross-functionally with electrical engineering, firmware, industrial design, and product teams to ensure seamless system integration.
  • Work with external vendors and partners to co-develop components, manage trade-offs, and maintain quality.
  • Drive prototyping, testing, and validation, including environmental and performance testing.
  • Make decisions on materials, manufacturing processes, and cost to ensure production-ready designs.
  • Contribute to system architecture and help define best practices for interactive hardware systems.

Requirements

  • Bachelor’s or Master’s degree in Mechanical Engineering or a related field.
  • 5–8 years of experience in mechanical design, ideally in robotics, automotive, or consumer hardware.
  • Strong proficiency in CAD tools such as SolidWorks, Creo, NX, or similar.
  • Experience designing and integrating lighting systems or optical/mechatronic components.
  • Experience packaging and integrating audio components such as speakers and microphones into complex systems.
  • Solid understanding of DFM/DFA, tolerance stack-ups, and manufacturing processes such as injection molding, sealing, and adhesives.
  • Experience working directly with suppliers and external partners through development and production.
  • Ability to operate with high ownership and autonomy while collaborating effectively across disciplines.
  • Experience with automotive or robotic lighting systems is preferred.
  • Familiarity with IP-rated designs and environmental sealing strategies is preferred.
  • Basic understanding of acoustics and optical performance is preferred.
  • Experience designing interactive or expressive hardware systems is preferred.
  • Comfort working in fast-paced, iterative development environments is preferred.

Benefits

  • Base salary range of $139,400 to $205,000 USD.
  • Opportunities for equity grants.
  • 401(k) plan with employer matching.
  • 16 weeks of paid parental leave.
  • Medical, dental, and vision benefits.
  • 11 paid holidays.
  • Disability and basic life insurance.
  • Flexible paid time off for salaried roles, plus 80 hours of paid sick time per year.
  • Wellness benefits and commuter benefits match.
  • Family-forming assistance and a mental health program.

Interested in this position?

Apply directly on the company website

Apply Now

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