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60 Fluidstack Mechanical Engineer Jobs Hiring Near You

Fluidstack

Mechanical Engineer, R&D

Austin, TX · On-site

$208K - $263K/yr

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Engineer the mechanical systems in the reference design: cooling distribution, piping, and heat ...

Fluidstack

Mechanical Engineer, R&D

Seattle, WA · On-site

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Engineer the mechanical systems in the reference design: cooling distribution, piping, and heat ...

Fluidstack

Mechanical Engineer, R&D

Austin, TX · On-site

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Engineer the mechanical systems in the reference design: cooling distribution, piping, and heat ...

Fluidstack

Mechanical Engineer, R&D

New York, NY · On-site

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Engineer the mechanical systems in the reference design: cooling distribution, piping, and heat ...

Fluidstack

Mechanical Engineer, R&D

San Diego, CA · On-site

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Engineer the mechanical systems in the reference design: cooling distribution, piping, and heat ...

Fluidstack

Mechanical Engineer, R&D Team Lead

Austin, TX · On-site

$109K - $132K/yr

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Lead mechanical engineering for R&D: cooling, piping, and mechanical plant for modular units and ...

Fluidstack

Mechanical Engineer, R&D Team Lead

San Diego, CA · On-site

$117K - $141K/yr

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Lead mechanical engineering for R&D: cooling, piping, and mechanical plant for modular units and ...

Fluidstack

Mechanical Engineer, R&D Team Lead

Austin, TX · On-site

$194K - $237K/yr

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Lead mechanical engineering for R&D: cooling, piping, and mechanical plant for modular units and ...

Fluidstack

Resident Mechanical Engineer (PHX)

Phoenix, AZ · On-site

$208K - $263K/yr

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Answer mechanical RFIs same-day from the floor, and engineer the fix into the next revision rather ...

Fluidstack

Resident Mechanical Engineer (PHX)

Phoenix, AZ · On-site

$98K - $125K/yr

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Answer mechanical RFIs same-day from the floor, and engineer the fix into the next revision rather ...

Fluidstack

Mechanical Engineer, R&D Team Lead

Seattle, WA · On-site

$125K - $151K/yr

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Lead mechanical engineering for R&D: cooling, piping, and mechanical plant for modular units and ...

Fluidstack

Mechanical Engineer, R&D Team Lead

New York, NY · On-site

$120K - $146K/yr

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Lead mechanical engineering for R&D: cooling, piping, and mechanical plant for modular units and ...

Fluidstack

Mechanical Team Lead, Capacity Delivery

Austin, TX · On-site

$109K - $132K/yr

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Engineer data centers that go up in months, not years. At that pace rework is not an option ...

Fluidstack

Mechanical Energy Storage, BTM R&D

Austin, TX · On-site

$208K - $263K/yr

About Fluidstack We exist to make humanity more free. For most of human history, you farmed or you ... Engineer mechanical design for energy storage: BESS enclosures, thermal management, and site ...

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Infographic showing various Mechanical Engineer job openings at Fluidstack in the United States as of August 2026, with employment types broken down into 99% Full Time, and 1% Contract. Highlights an 96% Physical, and 4% Remote job distribution.

Mechanical Engineer, R&D

Fluidstack

Austin, TX • On-site

$208K - $263K/yr

Full-time

Re-posted 16 days ago

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.
We're singularly focused on delivering 10 to 100s of GWs of compute faster than anyone else, rethinking every layer of the stack. We acquire power, design and build data centers, and operate them - with teams spanning hardware and software. Speed and scale are our key differentiators. Come be a part of building civilization-scale infrastructure for AI.
We hire people who care deeply about this problem space. If that is you, please apply!
How We Operate
  • Extreme ownership. Full autonomy. Own things end to end often taking on scope outside your core role without being asked to get things done.
  • Velocity. We drive everything forward as fast as possible.
  • 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.
Role Scope
  • Engineer the mechanical systems in the reference design: cooling distribution, piping, and heat rejection for modular units.
  • Run the calcs: hydraulics, heat transfer, and equipment sizing owned end to end.
  • Develop vendor packages: CDUs, pumps, and dry coolers specified, evaluated, and integrated.
  • Support prototypes and first builds: test data reconciled against design.
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, tell us where you would.
  • You've designed mechanical or HVAC systems for data centers or industrial plants.
  • Your hydraulic and thermal calcs are yours, not the vendor's.
  • You've specified and integrated major cooling equipment.
  • You've validated designs against commissioning or test data.
  • You draw clean P&IDs and mean them.
  • Bonus: Liquid and direct-to-chip cooling. Revit or plant CAD. ASHRAE datacom depth. Field commissioning exposure.

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.
You will receive a confirmation email once your application has successfully been accepted. If there is an error with your submission and you did not receive a confirmation email, please email careers@fluidstack.io with your resume/CV, the role you've applied for, and the date you submitted your application-- someone from our recruiting team will be in touch.

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