# Senior Thermal Engineer

**Company:** [Eightsleep](https://hotfix.jobs/companies/eightsleep)
**Location:** San Francisco, CA
**Role:** Hardware Engineering
**Salary:** $140k – $200k/yr
**Experience:** 3+ years
**Skills:** Thermal System Engineering, Heat Transfer, Thermal Analysis, Icepak, Fluent, Python, MATLAB, Solidworks, Nx, Creo, DFM, Dfa
**Posted:** 2026-06-10

> Design and optimize thermal systems for consumer sleep products, including analysis, simulation, testing, and manufacturing support in Asia. Requires 3+ years thermal engineering experience and proficiency in simulation and CAD tools.

## Job Description

## Responsibilities
- Ensure products have industry leading thermal performance through analysis and design activities
- Optimize factors such as performance, size, noise, and cost across the product portfolio
- Work closely with suppliers and cross-functional teams to implement designs
- Create and execute test plans to characterize prototypes and validate analytical results
- Design test systems for use in development and in production

## Requirements
- 3+ years of experience in thermal system engineering (e.g. heatsinks, heat pipes, TECs, insulation strategies, thermally conductive materials)
- Expertise in thermal and fluid analysis, heat transfer fundamentals, thermal instrumentation, DOEs, and root cause analysis techniques
- Highly proficient with simulation (e.g. IcePak, Fluent) and data analysis tools (e.g. Python, Matlab)
- Experience shipping high-volume consumer products, including manufacturing support in Asia
- Proficient in CAD (e.g. Solidworks, NX, Creo) and DFM/DFA
- BSME or equivalent (MS or PhD preferred)
- Willingness and ability to travel to China as needed (~20% travel)

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