Lead Rack Systems Architect for 150kW Liquid-Cooled AI Compute

Fluidstack; New York (NY); On-site; USD 180,000 - 260,000; Full time

Job summary

Fluidstack is building civilization-scale infrastructure for AI and seeks a senior Rack Systems Architect. You will own rack-scale architecture for 150kW-class deployments, steering power budgets, cooling, interconnect topology, and serviceability.

You will lead EE/ME/thermal teams, run rigorous design reviews, and align rack plans with accelerator vendors and facility architectures. Join Fluidstack to shape how AI compute is deployed at scale, with autonomy, urgency, and a strong bias toward

Qualifications

• 10+ years in system architecture of rack-scale compute.
• You've owned a rack as a product end to end: power budget, cooling, interconnect, weight, serviceability.
• You've shipped dense liquid-cooled rack-scale products, NVL-class or equivalent.
• You've led the EE, ME, and thermal engineers who executed your architecture.
• You've traded real things away on a shipping rack and managed pushback.

Responsibilities

• Own the rack as a product for 150kW-class deployments: architecture, power budget, cooling, interconnect, structure and serviceability.
• Write and hold interface control documents between rack and facility, ensuring independent movement of teams.
• Lead the rack EE, ME, thermal and integration engineers and defend architectural decisions.
• Run design reviews to catch faults early and reduce field failures.
• Align the rack roadmap with accelerator vendors and Fluidstack's facility architecture.

Skills

Rack-scale architecture

End-to-end product ownership

Dense liquid-cooled systems

Leadership of EE/ME/thermal

Tradeoffs in shipping racks

Interface control documents

Copper vs optics interconnect

NVL-class rack programs

Seismic qualification

Vendor roadmaps alignment

Job description

Fluidstack is building civilization-scale infrastructure for AI and seeks a senior Rack Systems Architect. You will own rack-scale architecture for 150kW-class deployments, steering power budgets, cooling, interconnect topology, and serviceability.

You will lead EE/ME/thermal teams, run rigorous design reviews, and align rack plans with accelerator vendors and facility architectures. Join Fluidstack to shape how AI compute is deployed at scale, with autonomy, urgency, and a strong bias toward