Mechanical Engineer, Data Center Engineering & Design

About this role

Fluidstack seeks a Mechanical Engineer to lead the design and deployment of massive-scale AI data centers, owning mechanical and cooling systems from concept through build. You'll develop modular templates for rapid global expansion while managing high-density, liquid-cooled infrastructure at gigawatt scale.

What you'll do

• Own mechanical systems end-to-end for AI data centers, from concept and modeling through final deployment
• Lead design and evolution of cooling systems (chilled water, CDUs, direct liquid cooling) as company scales
• Develop and maintain modular mechanical templates for repeatable global deployment
• Act as technical interface between internal teams and external consultants on design alignment
• Build supply-chain-aware solutions that integrate cleanly and deploy rapidly
• Support planning and design for multi-gigawatt campus infrastructure

What they're looking for

• Mechanical design for data centers or high-density facilities
• Advanced cooling system design (liquid cooling, CDUs, chilled water loops)
• Thermal modeling and CFD analysis
• Supply chain and constructability planning
• External consultant and vendor management
• Modular and prefab design methodology
• PE license (bonus)
• ASHRAE TC 9.9 knowledge (bonus)

Benefits

• Competitive salary ($200,000–$250,000) plus equity
• Health, dental, and vision insurance
• Retirement or pension plan aligned with local norms
• Generous PTO policy aligned with local norms
• Full ownership of mechanical systems at civilization-scale infrastructure