Senior Mechanical Engineer (New Product Development)

Eight Sleep

San Francisco, United States Posted September 21, 2026

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On-site Full-time Senior
Salary Range

$140,000 - $200,000

Job Description

Join Eight Sleep, a fast-growing company focused on revolutionizing sleep through innovative technology. As a Senior Mechanical Engineer, you will have significant ownership over product development from concept to production. You will work on complex electromechanical systems, collaborate with cross-functional teams, and have a direct impact on the company's success. Enjoy benefits such as flexible PTO, paid parental leave, comprehensive medical insurance, and opportunities for career growth.

  • Architect and design complex electromechanical systems, including plastic, metal, and soft goods components integrated with novel sensors and actuators.
  • Drive designs across the entire development lifecycle, including brainstorming, CAD, prototyping, testing, and ramp into production in Asia.
  • Solve highly cross-functional problems by working with electrical, software, reliability, and manufacturing engineering teams.
  • Experience with high-volume manufacturing processes, design for manufacturability and assembly (DFM/DFA), tolerance analysis, functional dimensioning and geometric tolerancing (GD&T)
  • BSME or equivalent
  • Solid understanding of root cause analysis, DOEs, and other quality measuring techniques
  • 3+ years of consumer product design experience with knowledge of injection molding, sheet metal forming, and sensor/electronics integration
  • Highly proficient with 3D modeling (e.g. Solidworks, NX, Creo)
  • Willingness and ability to travel to China as needed
  • Experience shipping high-volume consumer products, including manufacturing support in Asia
Required Skills
mechanical engineering collaboration cross-functional collaboration prototyping testing manufacturing injection molding metalworking SolidWorks
How to apply

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