Test Engineer, R&D at Fluidstack | Austin, TX, US | Rezi

Test Engineer, R&D at Fluidstack

Test Engineer, R&D

Fluidstack · Austin, TX, US

2 weeks ago

Test Engineer, R&D

Fluidstack · Austin, TX, US

14 days ago
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About the Role

Fluidstack is seeking an individual to own the test program for compressors, taking them from initial testing to a validated performance map. This role involves specifying and setting up test cells, defining measurement chains and uncertainty budgets, and writing test plans with safety interlocks. The successful candidate will translate test data into design changes weekly, working closely with the design team.

Responsibilities

  • Own the test program that takes the compressor from first spin on the stand to a validated performance map the design team can build on.
  • Specify and stand up the test cells from an empty bay: motor test bench, high-pressure gas loop, load bank, and every instrument behind them.
  • Define the measurement chain and the uncertainty budget, so a claimed isentropic efficiency or COP survives scrutiny from outside this company.
  • Write the test plans, interlocks and abort criteria for a machine running at speeds and pressures where a failure is energetic.
  • Turn test data into design changes on a weekly cadence, sitting inside the design loop rather than reporting into it.

Requirements

  • Commissioned a test stand from a bare bay: instrumentation, calibration, shakedown, first article.
  • Taken a machine to failure deliberately and had it instrumented well enough to know exactly why it failed.
  • Owned an uncertainty budget and could tell someone what your measurement was actually worth.
  • Written interlock and abort logic that kept people safe around stored energy, high pressure or high speed.
  • Disagreed with a design team about what the data showed, and the data won.
  • Carried a failure investigation to a root cause that changed the hardware, rather than to a plausible story that closed the paperwork.

Skills

  • Propulsion and engine test (hot fire, spin pit, green run)
  • Rotating machinery test (compressors, turbines, motor test benches)
  • High-pressure gas loops and pressure-rated test rigs
  • Data acquisition and rig control (LabVIEW, NI, PLC-based stands)
  • Thermal and refrigeration performance testing (COP mapping, calorimetry)

Location

  • Remote

Work Type

  • Full-time

Experience Level

  • Senior

About the Company

  • Fluidstack exists to make humanity more free by delivering large-scale compute infrastructure for AI faster than anyone else.
  • We are singularly focused on delivering 10 to 100s of GWs of compute, rethinking every layer of the stack from power acquisition to data center operation.
  • Our key differentiators are speed and scale, and we are building civilization-scale infrastructure for AI.
  • We hire people who care deeply about this problem space and operate with autonomy, urgency, first principles thinking, and a passion for building something that matters.

Equal Opportunity

  • 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.