AI / Simulation Principal Engineer - Computational Fluid Dynamics

UL Solutions External Career Site; Northbrook (IL); On-site; USD 180,000 - 240,000; Full time

Job summary

UL Solutions seeks a Principal Engineer – CFD Simulation Engineering with deep expertise in physics-based modeling and CFD, including turbulence modeling and multiphase flows. The role focuses on advancing simulation credibility through V&V and applying advanced methods to safety-critical engineering problems.

The candidate will drive technical excellence and consistency in simulation methodologies across global teams, including product safety, certification, and design validation efforts.

Qualifications

• Extensive experience in physics-based modeling and CFD simulation.
• Strong background in applying advanced simulation methods to complex engineering problems.
• Experience driving technical excellence in simulation across global teams.

Responsibilities

• Drive technical excellence, consistency, and engineering quality in simulation methodologies across global teams.
• Apply industry-standard V&V frameworks to ensure model credibility and reliability.
• Provide expert guidance on CFD-based design validation and failure investigation.

Skills

CFD

Turbulence modeling

Multiphase flows

Electronic cooling

Fire & explosion modeling

Battery thermal runaway

Physics-based modeling

Simulation V&V

Job 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 across global teams