Designer/Detailer (Mechanical/Structural), Modular R&D

Fluidstack; Los Angeles (CA); On-site; USD 208,000 - 263,000; Full time

Job summary

Fluidstack designs and fabricates modular data center units in the United States. We seek a skilled detailer to produce mechanical and structural drawings covering structures, skids, piping, and assemblies with complete clarity for fabrication.

You will update drawing packages quickly after engineering changes, maintain standards, and ensure weld symbols and BOM references are accurate. A background in fabrication shops or modular manufacturing is preferred.

Qualifications

• Experience detailing for modular data centers or similar fabrication environments.
• Ability to produce fabrication-ready drawings with weld symbols and callouts.
• Proficiency in maintaining library standards and revision control.

Responsibilities

• Produce detailed mechanical/structural models and drawings for factory builds.
• Detail steel, skids and piping to fabrication level with BOM-linked parts.
• Turn engineering changes into updated drawing packages with clear revision history.
• Maintain model hygiene and enforce templates and standards across units.

Skills

Modular manufacturing

Fabrication detailing

Shop drawings

Revision control

Tools

Tekla Structures

Advance Steel

Revit

Plant 3D

AWS weld symbols

AISC detailing

BIM coordination

Job description

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it.

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you starved. Technology gave people more time for the things they wanted to do, instead of things they had to do. Powerful AI will be the biggest lever for human choice we've ever built - but only if models are aligned with what humanity actually wants. There are groups building AI who don't share these goals. Whoever deploys frontier compute infrastructure fastest will decide whether AI expands human freedom or shrinks it.

How We Operate

• Be a barrel. Full autonomy. Own things end to end, take on scope without being asked, no permission required to operate outside your core role.
• Insane urgency. We drive everything forward as fast as possible.
• Reason from first principles. Challenge every assumption. Zero analogy thinking, no egos, the best idea wins.
• Love of the game. The frontier of AI is the most interesting problem of our time. We put in long hours at high intensity to push the frontier forward.
• Build something that actually matters. If you're going to spend your time, spend it on something that matters to the world.

The Modular Team

The Modular team designs and industrializes factory-built data center units, turning first-of-a-kind designs into repeatable products the factory can build again and again.

Examples Of Key Problems The Team Is Working On

• Take modular data center designs from engineering concept to fabrication-ready packages that a shop can build without a phone call.
• Detail the structures, skids, and piping systems inside each unit down to the weld and bolt level.
• Absorb rapid engineering changes across in-flight units without losing revision control or slowing the factory.
• Build the modeling standards, part libraries, and templates that make every next unit faster to detail than the last.

Role Scope

• Produce the detailed mechanical and structural models and drawings the factory builds from: structures, skids, piping, and assemblies, fully detailed with nothing left to interpretation.
• Detail steel and mechanical systems to fabrication level: connections, penetrations, pipe spools, and BOM-linked parts, complete enough that a fitter never has to guess.
• Turn engineering changes into updated, released drawing packages in days, not weeks, with clean revision tracking throughout.
• Own model hygiene: build and enforce the standards, libraries, and templates that make each subsequent unit faster to detail and harder to get wrong.

What We're Looking For

The below is a starting point. We always make space for exceptional people, so if you don't fit this role exactly,

• You've detailed for fabrication: structural steel, skids, piping, or modular assemblies, in a fab shop, skid builder, or modular manufacturing environment.
• Shops build from your drawings without calling. Your packages carry the weld symbols, bolt callouts, and dimensions a fitter actually needs.
• You model to standards and keep library discipline: parts, templates, and naming conventions stay clean under pressure.
• You handle revision storms without version chaos. When engineering changes land, the released package is always the right one.
• You know how things get made: welds, bends, tolerances, and the clearances real fabricators need to fit up, weld out, and inspect.
• You know what gets red-lined when it's missing, and your detailing has changed because of it.
• Bonus: Tekla or Advance Steel, plant and BIM modeling (Revit, Plant 3D), AWS weld symbols and AISC detailing standards, or BIM coordination experience.

We are committed to pay equity and transparency.

Fluidstack is an Equal Employment Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, sexual orientation, gender identity, disability and protected veterans’ status, or any other characteristic protected by law. Fluidstack will consider for employment qualified applicants with arrest and conviction records pursuant to applicable law.

Compensation Range: $208K - $263K