Mechanical Engineering

Mechanical Engineer – Thermal & Liquid Cooling

Location: United States

Industry: AI Infrastructure / Data Centers

We are partnered with a rapidly growing AI infrastructure company building the physical systems required to support next-generation, high-density compute environments.

They are looking for an experienced Mechanical Engineer to join as a senior individual contributor, owning thermal and cooling engineering across both traditional air-cooled and advanced liquid-cooled infrastructure.

The Role:

• Design and develop cooling solutions for high-density AI/data center environments.
• Lead mechanical engineering across both air and liquid cooling systems.
• Develop and optimize Direct-to-Chip (D2C) liquid cooling architectures.
• Work with CDUs, liquid loops, heat exchangers, pumps, piping and associated thermal infrastructure.
• Engineer air-side systems including CRAH/CRAC, chilled water and heat rejection systems.
• Perform thermal analysis, system sizing, equipment selection and design reviews.
• Work closely with electrical, controls, infrastructure and deployment teams.
• Evaluate new cooling technologies as compute densities continue to increase.
• Operate as a highly technical individual contributor with significant ownership over engineering decisions.

Requirements:

• Strong mechanical/thermal engineering background within data centers, HPC, AI infrastructure or similarly high-density environments.
• Direct hands-on experience with Direct-to-Chip liquid cooling is required.
• Strong understanding of both liquid and air cooling technologies.
• Experience designing mechanical cooling systems from concept through deployment.
• Knowledge of CDUs, heat exchangers, pumps, piping, chilled water and heat rejection systems.
• Comfortable operating independently in a fast-moving engineering environment.

This is an opportunity to take significant technical ownership within an early-stage infrastructure business tackling some of the most complex thermal challenges created by next-generation AI compute.