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AI / Simulation Principal Engineer

UL, LLC

Northbrook, IL, United States Full-time July 11, 2026

Opportunity Description

We are seeking a Principal Engineer – CFD Simulation Engineering to join our team. The ideal candidate will be a highly experienced technical leader with deep expertise in physics-based modeling and simulation, particularly in CFD, thermal-fluid sciences, fire and explosion modeling, refrigerant leakage, battery thermal runaway, combustion, multiphase flows, turbulence modeling, and electronic cooling.

A core requirement of this role is strong expertise in simulation Verification & Validation (V&V), including application of industry-recognized frameworks best practices for ensuring model credibility and reliability.

The candidate should have a strong background in applying advanced simulation methods to complex engineering problems involving product safety, certification, design validation, hazard analysis, and failure investigation. The candidate will be responsible for driving technical excellence, consistency, and engineering quality in simulation methodologies acros...
Full-time other-general

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