Senior Thermal Engineer

Eight Sleep; San Francisco (CA); On-site; USD 90,000 - 120,000; Full time

Benefits offered by this job

Full access to health, vision, and dental insurance

Supplemental life insurance

Flexible PTO

Commuter benefits

Paid parental leave

Job summary

Eight Sleep is seeking an experienced mechanical engineer in San Francisco, specializing in thermal design for innovative products. You will be responsible for optimizing the thermal performance of our systems, taking ownership of key design decisions while working with a cross-functional team.

This role demands a minimum of 3 years in thermal system engineering, along with proficiency in simulation and data analysis tools. Benefits include full access to health insurance, flexible PTO, and paid parental leave.

Qualifications

• 3+ years of experience in thermal system engineering.
• Proficient with heat transfer fundamentals and thermal analysis.
• Experience with high-volume consumer products and manufacturing support.

Responsibilities

• Ensure industry-leading thermal performance through analysis and design.
• Optimize product factors like performance, size, and cost.
• Create and execute test plans for prototypes and validate results.

Skills

Thermal system engineering

Thermal and fluid analysis

Simulation tools (IcePak, Fluent)

Data analysis tools (Python, Matlab)

CAD (Solidworks, NX, Creo)

Education

BSME or equivalent (MS or PhD preferred)

Job description

The Role

We’re looking for an experienced mechanical engineer with expertise in thermal design to develop innovative products from concept through to production. You'll take ownership of the thermal performance of our systems including the thermal engine in the Pod Hub and the thermal core of the Pod Cover. 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.

The position is based out of our San Francisco office and requires ~20% travel to China to support manufacturing activities.

How You'll Contribute

• Ensure our products have industry leading thermal performance through analysis and design activities.
• Optimize factors such performance, size, noise, and cost across our 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.

What You'll Need to Succeed

• 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.

Benefits

• 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.