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Principal Thermal Mechanical Engineer

USA, MA, Littleton💼 Full-time💰 $153,500–$153,500🗓 2026-07-09 → 2026-07-31

Core

Lead the initial design, analysis, and optimization of complex fluid systems for liquid cooling in AI and high-performance computing data centers.

Role type

Principal Thermal Mechanical Engineer (IC)

Builds

Liquid cooling solutions including cold plates, pumps, fluids, tubing, and heat exchangers for computer processing chipsets.

Domain

Data center infrastructure / Thermal management / Fluid dynamics

Deliverable

production ML models | product features

Required skills

Fluid dynamics, thermodynamics, heat transfer, CAD design (SolidWorks), GD&T, DFM, performance analysis, new product development, troubleshooting, technical documentation

Preferred skills

Experience in data center thermal management, automotive, medical, or nuclear industries

Technologies

SolidWorks

Responsibilities

Lead initial design and optimization of fluid systems from concept to detailed CAD; Conduct fluid flow simulations and tests; Develop engineering specifications and documentation; Provide technical guidance and mentorship to junior engineers; Participate in design reviews and present findings to stakeholders; Identify technical gaps and lead R&D projects.

Seniority

Principal, hands-on IC with mentorship

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