Job Description

Job Description

Job Description

At LiquidStack, we're redefining what's possible in the data center world. As a global leader in advanced liquid cooling solutions, we're powering the future of AI, edge computing, and high-performance systems. Our team is growing, and we're looking for skilled professionals who want to be part of something innovative and impactful.

The Thermal Engineer is responsible for designing and developing innovative cooling solutions for high-performance computing and data center environments. This role covers the full lifecycle of thermal systems — including design, modeling, simulation, prototyping, testing, and validation — to ensure performance, reliability, and cost-effectiveness.

The ideal candidate will combine strong analytical expertise, hands-on mechanical experience, and data center knowledge to develop advanced thermal solutions. This engineer will collaborate across hardware, firmware, and operations teams to optimize designs and ensure efficient, reliable product performance.

Design & Architecture:

• Develop thermal architectures and cooling solutions (air and liquid) for data center hardware while balancing performance, reliability, and cost-effectiveness.

Modeling & Simulation:

• Create and run models to simulate and analyze heat transfer and thermal performance across servers, components, and entire data center systems.

Prototyping & Testing:

• Design, build, and execute test plans for new cooling solutions and prototypes using lab equipment and electronic data acquisition tools to measure performance and validate designs.

Data Analysis & Validation:

• Collect and interpret post-silicon thermal data, validate design models against real-world tests, and provide recommendations to cross-functional teams.

Collaboration:

• Work closely with mechanical and electrical engineers, data center operations, and firmware developers to integrate thermal solutions into products and infrastructure while partnering with external vendors as needed.

Component Selection:

• Identify and design thermal components such as heat sinks, fans, cold plates, and liquid cooling systems to meet thermal requirements.

Leadership:

• Lead all thermal performance evaluations, testing activities, and thermal design reviews, providing technical guidance to team members.

• Bachelor's or Master's degree in Mechanical or Electrical Engineering or a related discipline.
• 3–5 years of experience designing and calculating HVAC systems in industrial buildings or data centers.
• Deep understanding of thermal cycles including adiabatic, isothermal, evaporative cooling, and dehumidification cycles.
• Ability to perform airflow, thermal flow, and temperature calculations.
• Proficiency in AutoCAD 2D/3D, SolidWorks, and relevant engineering design software.
• Hands-on experience with lab equipment, airflow chambers, and data acquisition systems.
• Strong problem-solving skills for diagnosing and resolving system-level thermal issues with root-cause analysis.
• Excellent written and verbal communication skills for presenting technical findings to teams and vendors.

• HVAC or refrigeration certification.
• Experience with liquid immersion cooling or advanced thermal management technologies.
• Programming skills in Python or similar languages for thermal data analysis and automation.
• Experience collaborating in global or multicultural teams.

Why Join Us?

• Competitive pay with opportunities for overtime
• Consistent day-shift schedule
• Paid time off, holidays, and great benefits
• Be part of an industry-disrupting company with room to grow
• Work on innovative technologies in a collaborative, supportive environment

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