Lead Mechanical/ Product Design Engineer, Special Projects

JOIN THE SLEEP FITNESS MOVEMENT

At Eight Sleep, we’re on a mission to fuel human potential through optimal sleep. As the world’s first sleep fitness company, we’re redefining what it means to be well‑rested and building the most advanced hardware, software, and AI technology to make it possible. Our products power peak mental, physical, and emotional performance by transforming every night of sleep into a personalized, data‑driven recovery experience. We are trusted by high performers, professional athletes, and health‑conscious consumers in over 30 countries worldwide. Recognized as one of Fast Company’s Most Innovative Companies in 2019, 2022, 2023, and 2026, and twice named to TIME’s “Best Inventions of the Year.” We operate like a high‑performance team: fast, focused, and motivated by impact. We don’t just ship; we iterate, refine, and obsess over the details that help our members sleep better and wake up stronger.

The Role

We’re looking for an experienced Senior Mechanical Engineer to develop products from concept through to production. You’ll be part of a small, mission‑driven team and have significant ownership over decisions. We’re growing quickly so there are ample opportunities for career growth. Preference for applicants who can work onsite at our San Francisco office. Open to Remote with 1 × month travel to our San Francisco office.

What You’ll Help Build

• 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.
• Perform analysis and testing to ensure designs meet product goals, including thermal, fluid, and structural analyses.
• Help shape the direction of our products and features by collaborating with industrial design, marketing, and product teams as well as company leadership.

What You’ll Need to Succeed

• 5+ years of consumer product design experience with knowledge of injection molding, sheet metal forming, and sensor/electronics integration.
• Experience shipping high-volume consumer products, including manufacturing support in Asia.
• Highly proficient with 3D modeling (e.g. Solidworks, NX, Creo).
• Experience with high-volume manufacturing processes, design for manufacturability and assembly (DFM/DFA), tolerance a