Prototype & Test Engineering Intern, New Product Development

Eight Sleep • San Francisco, CA

4d • $30 - $35 • Onsite

About The Position

We’re looking for a Prototype & Test Engineering intern to help bring a new electromechanical product to market. You’ll be part of a small, mission-driven team and work on multiple parts of the system. You’ll build and deploy prototypes to users, run critical tests, and support failure analysis in hardware-software integrated systems. This role requires being on-site 5 days in our San Francisco office. It will last 8-10 weeks (fall 2026).

Requirements

• Engineering background with ability to troubleshoot complex systems.
• Experience with hands-on prototyping of mechanical and electrical systems.
• Experience using lab and diagnostic tools such as multimeters, oscilloscopes, and command-line utilities to characterize and debug hardware-firmware systems.
• Strong written and verbal communication skills.
• BS or expected BS in engineering or equivalent.
• Ability to occasionally lift or push up to 50 lbs as needed.

Nice To Haves

• Familiarity with AI tools (e.g. Claude) for debugging, scripting, or documentation is a plus.
• MS preferred.

Responsibilities

• Build and test complex electromechanical systems for a new product, including sensors, pumps, and electronics.
• Collaborate with product team to deploy systems to real users
• Collaborate with sensor, mechanical, electrical, and software engineering to review sensor data and field feedback, identify root cause of issues, and determine corrective actions
• Reproduce and characterize failure cases on the bench to confirm root cause and validate that corrective actions hold.
• Track and report findings from troubleshooting to the engineering and product team.

Benefits

• Innovation in a culture of excellence
• Immediate responsibility and accelerated career growth
• Collaboration with exceptional talent

What This Job Offers

• Career Level: Intern