Mechanical Engineer / Product Design Engineer

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, and 2023, 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

How you’ll contribute

• 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.

What you need to succeed

• 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.

Why join Eight Sleep?

Innovation in a culture of excellence

Join us in a workplace where innovation isn’t just encouraged - it’s a standard. Our flagship product, the Pod, is a testament to our culture of excellence, beloved by hundreds of thousands of customers worldwide. At Eight Sleep, you will be part of a team that continuously pushes the boundaries of technology in sleep fitness.

Immediate responsibility and accelerated career growth

From your first day, you’ll take on substantial responsibilities that have a direct impact on our core business and product success. We are a small team that empowers you to own your projects and see the tangible effects of your efforts, enhancing both your professional growth and our company’s trajectory. Your path will be challenging but rewarding, perfect for those who thrive in fast-paced environments aiming for high standards.

Collaboration with exceptional talent

Work alongside other bright minds like you: at Eight Sleep exceptional intelligence and a passion for breakthroughs are the norms. Our team members are not only experts in their fields but also avid innovators who thrive in our dynamic, fast-paced environment.

Equitable compensation and continuous equity investment

We extend equity participation to every full-time team member, recognizing and rewarding your direct contributions to our success. This includes periodic equity refreshments based on performance, ensuring that as Eight Sleep grows and succeeds, so do you – perfectly aligning your achievements with the broader triumphs of the company.

Your own Pod - and other great benefits

Every Eight Sleep employee receives the very product that defines our mission: a Pod of their own. If you join us you’ll get your own Pod, along with*:

• Full access to health, vision, and dental insurance for you and your dependents

• Supplemental life insurance

• Flexible PTO

• Commuter benefits to ease your daily commute

• Paid parental leave

At Eight Sleep we continually celebrate the diverse community different individuals cultivate. As an equal opportunity employer, we stay true to our values by ensuring everyone feels they can flourish and grow. We are committed to equal employment opportunity regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity or Veteran status.