Lambda
Staff Mechanical Engineer - Data Center Cooling
$349K–$465K
San Francisco Office (Fremont St) +1 · Hybrid · Staff · Full-time · Posted Sep 11, 2026
- Location
- San Francisco Office (Fremont St)
San Jose Office (First St) - Education
- Bachelor’s degree in mechanical engineering or equivalent practical experience.
About the job
Owns cooling-system standards and designs thermal architectures for large-scale AI data centers, from GPU heat capture through facility heat rejection.
What you'll do
- Design and evaluate air-cooled, liquid-cooled, and hybrid cooling systems, including plants, loops, CDUs, and heat-rejection equipment.
- Develop engineering calculations, P&IDs, specifications, layouts, and operating requirements; review partner and vendor designs.
- Coordinate with engineering, construction, commissioning, and operations teams, and support system testing, bring-up, and troubleshooting.
What they ask for
- Experience designing cooling systems for data centers, mission-critical facilities, central plants, or large industrial environments.
- Knowledge of hydronic design, heat transfer, pumping, heat exchangers, chilled-water systems, and heat-rejection equipment.
- Experience with high-density cooling systems such as direct-to-chip liquid cooling, CDUs, or technology cooling-water loops.
- Bachelor’s degree in mechanical engineering or equivalent practical experience.
Nice to have
- Experience designing cooling for hyperscale, colocation, HPC, or AI data centers.
- Familiarity with CFD, Pipe-Flo, AFT Fathom, Revit, or comparable engineering tools.
Pay
$349K – $465K (USD, base salary)
Tools
CFD, Pipe-Flo, AFT Fathom, Revit
Model-written summary · the original posting is authoritative