Mechanical Engineer (New Grad / Spring 2027)

Eight Sleep•San Francisco, CA

3d•$100,000 - $130,000•Onsite

About The Position

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 34 countries worldwide. Recognized as one of Fast Company's Most Innovative Companies in 2019, 2022, 2023, and 2025, 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. Every role at Eight Sleep is a chance to create cutting-edge technology, collaborate with world-class talent, and help shape a future where sleep isn’t passive - it’s a powerful tool for living better. If you’re tired of the ordinary and driven to build at the edge of what’s possible, this is your moment. Join us and lead the movement that’s transforming how the world sleeps and what we’re all capable of when we wake up. High Standards. No Apologies. We operate with intensity because our mission demands it. At Eight Sleep, we bring the same mindset as the world’s top performers: focused, relentless, and always pushing to be in the top 1% of our craft. Think Kobe Bryant’s mamba mentality, applied to bold ideas, next-gen tech, and flawless execution. This isn’t a 9-to-5. Our team is deeply committed, often putting in 60+ hours a week –not because we’re told to, but because we’re invested. We’re here to build fast, push limits, and deliver without compromise. If you thrive under pressure and want to do the most meaningful work of your career, you’ll feel right at home. If you’re looking for something easier –this isn’t it. The opportunity We’re looking for mechanical engineers to help 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. This role is based out of our San Francisco office 5 days/week, targeting Spring 2027 start.

Requirements

Experience with concept development, feasibility studies, and hands-on prototyping.
Proficiency with 3D modeling (eg. Solidworks, NX, Creo, etc.). Bonus points for simulation experience.
Familiarity with high volume manufacturing processes, DFM, DFA, tolerance analysis, functional dimensioning and GD&T.
Familiarity with root cause analysis, DOE, and quality measuring techniques.
BSME or equivalent. MS preferred.
Willingness and ability to travel to Asia as needed.

Responsibilities

Design, build & test complex electromechanical systems, including plastic, metal, and soft goods components integrating with novel sensors and actuators.
Help drive designs across the entire development lifecycle, including brainstorming, CAD, prototyping, testing, and ramp into high-volume production in Asia.
Collaborate with electrical engineering, industrial design, manufacturing, and product team members to develop products from early stage concepts to mass production.
Perform various testing and analyses to ensure designs meet product goals, including thermal, fluid, and structural analyses.