# Mechanical Commissioning Lead, R&D

**Company:** [Fluidstack](https://hotfix.jobs/companies/fluidstack)
**Location:** Austin, TX, New York, NY, San Francisco, CA, Seattle, WA
**Role:** Hardware Engineering
**Salary:** $197k – $227k/yr
**Experience:** 7+ years
**Skills:** mechanical commissioning, hvac systems, data center cooling, functional testing, trend analysis, thermal modeling, factory acceptance testing, fat, liquid cooling, test and balance, commissioning software
**Posted:** 2026-07-17

> Lead mechanical commissioning for AI data center cooling plants, distribution, and heat rejection systems. Requires prior data center or industrial plant commissioning experience, rigorous functional testing, trend data analysis, and design error resolution.

## Job Description

## Role Scope
- Commission the mechanical systems of first units: cooling plants, distribution, and heat rejection verified to design.
- Execute and improve the scripts: functional tests run, gaps found, and the reference package fixed.
- Analyze the data: trends and test results reconciled against the thermal model.
- Support the factory: mechanical FAT processes for modules before they ship.

## Requirements
- Commissioned mechanical or HVAC systems on data centers or industrial plants.
- Execute functional tests rigorously and document what actually happened.
- Read trend data and find the story in it.
- Caught design errors during commissioning and made sure they got fixed upstream.
- Work clean in live environments.

## Nice-to-Haves
- Liquid cooling commissioning.
- Test and balance interface.
- FAT development.
- Commissioning software platforms.

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