# Prototype & Test Engineering Intern, New Product Development

**Company:** [Eightsleep](https://hotfix.jobs/companies/eightsleep)
**Location:** San Francisco, CA
**Role:** Hardware Engineering
**Salary:** $62k – $73k/yr
**Experience:** 0+ years
**Skills:** Electromechanical Systems, Prototyping, Troubleshooting, Multimeters, Oscilloscopes, Command-Line Utilities, Hardware-Firmware Debugging, Sensors, Pumps, Electronics
**Posted:** 2026-07-02

> Prototype and test engineering intern building, deploying, and troubleshooting electromechanical systems (sensors, pumps, electronics) for a new sleep fitness product. Requires hands-on mechanical/electrical prototyping, lab tools experience, and strong troubleshooting skills.

## Job Description

## 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.

## 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.
- MS preferred.

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