Hardware Prototype & Test Engineer

Skills this role screens for

About the role

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 35 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.

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. 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 work

THE ROLE

We’re looking for a Prototype & Test Engineer to help bring new electromechanical products to market. You’ll be part of a small, mission-driven team and work on multiple parts of the system. You’ll build prototypes, develop and run critical tests to validate designs, and work closely with the engineering team.

This role requires being on-site 5 days in our San Francisco office.

Also

How you’ll contribute

• Prototype and test complex electromechanical systems, including sensors, pumps, mechanisms, and electronics.
• Build prototypes using techniques like 3D printing, machining, and quick turn tooling with in-house tools and external suppliers.
• Design and run experiments to validate the performance of new designs, as well as track and analyze results.
• Design, build, and deploy custom physical test fixtures and jigs for R&D and manufacturing environments, including specification of sensors and mechanical interfaces.
• Collaborate with mechanical, electrical, and software engineering to support efforts across the product development lifecycle.
• Develop test systems using embedded hardware like Arduino, and coding in Python.

Also

What you need to succeed

• 1-3 years of hands-on prototyping and test experience with electromechanical systems
• Proficiency with 3D modeling (eg. Solidworks, ProEngineer, etc.).
• Experience using and maintaining basic shop tools like 3D printers, band saw, milling machine.
• Strong written and verbal communication skills.
• Experience working in a fast-paced, startup environment from concept to production.
• BS in engineering or equivalent. MS preferred.
• Ability to occasionally lift or push up to 50 lbs as needed.

What you get

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 continuou