
Thermal Engineer
OpenAI
San Francisco, CA • 21m ago • On-site
Senior
On-site
266,000 - 445,000 USD/yr
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Potential salary for Thermal Engineer role
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$266,000 – $445,000/year
Quick Facts
Role: Thermal Engineer
Experience: 7+ years in thermal management for IT hardware (chip/package to system)
Description
Design and optimize thermal solutions for data center hardware, from chip and package levels through board- and system-level cooling architectures. Use thermal modeling and simulation to predict temperature profiles and identify bottlenecks, then validate performance through lab testing and experimentation. Partner across mechanical, electrical, software, and systems engineering teams to integrate thermal strategies into hardware designs and support production readiness.
Responsibilities
Design and optimize thermal solutions for data center hardware (chips, power modules, system cooling)
Evaluate thermal performance at chip, package, and board levels; address power density, heat dissipation, and TIM challenges
Perform thermal modeling and simulation to identify thermal bottlenecks
Collaborate cross-functionally to integrate thermal management from concept to mass production
Set up and run thermal experiments with data acquisition and troubleshooting
Design and select thermal components (cold plates, heat sinks, fans, vapor chambers, TIMs)
Define and implement thermal control algorithms for dynamic power and cooling
Conduct feasibility studies and trade-off analyses to improve thermal efficiency
Work with suppliers and manufacturers to develop custom thermal components and ensure production quality
Requirements
Bachelor’s degree in Mechanical Engineering, Thermal Engineering, or a related field (Master’s preferred)
7+ years of industry experience in thermal design, simulation, and validation for IT hardware
Proficiency in thermal simulation software and CAD tools
Strong understanding of heat transfer, thermodynamics, and fluid mechanics for electronics cooling
Hands-on thermal testing experience (thermocouples, infrared cameras, wind tunnels, P-Q characterization)
Experience with chip/package-level thermal analysis and die/package heat spreading and modeling
Ability to analyze experimental data, identify root causes, and implement corrective actions
Strong problem-solving skills, including first-principles calculations
Benefits
Work on mission-critical hardware thermal reliability, efficiency, and longevity
Cross-disciplinary collaboration across thermal, mechanical, electrical, software, and systems engineering
Opportunity to support designs through validation and production ramp-up
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