Mechanical Engineer, Demand Management

Fluidstack

$90K — $130K *
Energy & Utilities
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 5-7 years of experience in engineering mechanical or HVAC systems, ideally for data centers or industrial plants.
  • Proficiency in dynamic thermal system modeling, moving beyond steady-state analysis.
  • Experience in field validation campaigns, aligning theoretical models with practical measurements.
  • Ability to quantify risk in operational terms, such as degrees, minutes, and margins.
  • Collaborative experience working as part of a systems engineering team, specifically with controls engineers.
  • Bonus skills in liquid cooling technologies, dynamic simulation tools (Modelica, TRNSYS), computational fluid dynamics (CFD), and psychrometrics.

Responsibilities

  • Engineer cooling systems designed for load flexibility with minimal thermal risk.
  • Model thermal inertia and headroom for site-specific flexibility parameters.
  • Develop mechanical strategies that optimize cooling as a grid asset.
  • Conduct field validations with instrumented tests to confirm model accuracy before implementation.

Benefits

  • Work in an innovative environment focusing on demand flexibility in cooling systems.
  • Collaborate with a dedicated team of engineers and specialists in a rapidly evolving field.
  • Opportunity for personal growth and to contribute to industry-changing solutions.
Full Job Description
Role Scope
  • Engineer the mechanical side of demand flexibility: cooling systems that ride through load flex without thermal risk.
  • Model thermal inertia and headroom: how far and how long the plant can flex, quantified per site.
  • Design the mechanical strategies, setpoint moves, staging, and storage, that turn cooling into a grid asset.
  • Validate in the field: instrumented tests proving the models before the fleet runs on them.
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 engineered mechanical or HVAC systems for data centers or industrial plants.
  • You've modeled thermal systems dynamically, not just at steady state.
  • You've run field validation campaigns and reconciled model to measurement.
  • You quantify risk in operating terms: degrees, minutes, and margins.
  • You work jointly with controls engineers as one system team.
  • Bonus: Liquid cooling. Dynamic simulation (Modelica, TRNSYS) or CFD. Thermal storage. Psychrometrics depth.


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