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FluidStack

Builds and runs GPU clusters for AI labs

Tooling & Fixturing Engineer

Design EngineeringUpdated on Nov 11
Full-timePhoenix, AZ, USA$169k - $193k /yrIn-person

About the Job

Requirements

  • Experience designing production tooling and fixtures for fabrication or assembly that remain in use.
  • Ability to perform tolerance stack-ups and ensure fixtures hold tolerance at production rate.
  • Experience proving fixtures with capability studies.
  • Ability to design mistake-proofing into fixtures rather than relying on inspection to catch errors.
  • Ability to revise tooling quickly when the product changes.
  • Ability to work in non-climate-controlled environments, including active construction areas, data halls, electrical and mechanical rooms, and outdoor spaces, where conditions may be hot or cold, humid, loud, or dusty.
  • Ability to lift, carry, push, and pull up to 40 pounds independently.
  • Ability to sit, stand, walk, kneel, bend, and crouch for long periods, including full shifts on one's feet.
  • Ability to wear required personal protective equipment, including hard hats, safety glasses, steel-toed boots, gloves, and hearing protection, and follow site safety rules.
  • Ability to climb stairs and ladders and move around equipment, cable trays, and uneven surfaces.

Responsibilities

  • Design factory tooling and fixtures, including weld fixtures, assembly jigs, and lifting and handling tools.
  • Own fixtures from concept through proving, including tolerance stack-ups, repeatability studies, and sign-off.
  • Manage the tooling lifecycle, including maintenance, calibration, revisions, and the tooling register.
  • Design tooling for operators, enabling fast loading, mistake-proofing, and safe handling of heavy parts.

Desired Qualifications

  • Weld fixture design experience.
  • In-depth geometric dimensioning and tolerancing (GD&T) knowledge.
  • Experience with SolidWorks or Inventor.
  • Knowledge of lifting device design standards.

About the Company

FluidStack

Builds and runs GPU clusters for AI labs

Fluidstack provides large clusters of GPU servers to AI labs training advanced models, and it builds custom data centers for customers that outgrow existing facilities. In 2025, Anthropic chose Fluidstack to build data centers in Texas and New York as part of a $50 billion investment in American AI infrastructure. Labs pay for dedicated clusters of Nvidia GPUs, sometimes tens of thousands of chips, housed in partner data centers around the world. They reach the clusters through a web console or API, while Fluidstack runs the hardware, networking, and day-to-day operations. Fluidstack was founded in London in 2017 and has its headquarters in New York.

Company size
501-1,000
Company stage
Late Stage VC
Total funding
$12.4B
Headquarters
New York City, New York
Founded
2017

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