AI / Simulation Engineer (Computation Fluid Dynamics - Combustion) - UL Solutions | Mirimo

Responsibilities

Develop and execute CFD simulations for refrigerant leakage, gas dispersion, and ventilation analysis
Model multiphase flows, multi-species transport, and transient flow behavior
Perform fire and combustion simulations, including ignition, flame propagation, and heat release
Analyze hazard scenarios such as confined space leakage, accumulation, and flammability limits
Apply appropriate boundary conditions for leak sources, mass flow rates, and environmental conditions
Conduct steady-state and transient simulations for leak evolution and fire scenarios
Interpret results to identify risk zones, ignition probability, and mitigation strategies
Support V&V activities, including comparison with test data and literature correlations
Prepare technical reports highlighting assumptions, risks, and safety insights
Collaborate with cross-functional teams on safety, compliance, and product design

Qualifications

Bachelor’s / Master’s in Mechanical, Chemical, Aerospace Engineering, or related field
4–8 years of experience in CFD with focus on fluid flow and safety modeling
Strong fundamentals in:

Fluid dynamics and turbulence
Heat transfer
Multiphase flow and species transport
Combustion and fire dynamics

Experience with CFD tools such as: ANSYS Fluent / CFX / STAR-CCM+ / OpenFOAM / COMSOL
Hands-on experience in:

Refrigerant leakage modeling
Gas dispersion and ventilation studies
Fire/combustion simulations

Understanding of:

Flammability limits and hazard assessment
Transient flow and leak dynamics
Basic V&V practices

Good communication and technical documentation skills
Preferred:

Exposure to HVAC/refrigeration systems
Familiarity with safety / regulatory-driven simulations

In this role, you will apply strong fundamentals in fluid dynamics, multiphase flow, and combustion to develop and execute simulations addressing refrigerant leakage, dispersion, ignition risk, and fire dynamics. You will support both internal and customer-facing engineering efforts, including safety evaluations, risk assessment, and compliance-driven simulations, with a focus on delivering reliable, physics-based insights for real-world scenarios.

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Responsibilities

Develop and execute CFD simulations for refrigerant leakage, gas dispersion, and ventilation analysis
Model multiphase flows, multi-species transport, and transient flow behavior
Perform fire and combustion simulations, including ignition, flame propagation, and heat release
Analyze hazard scenarios such as confined space leakage, accumulation, and flammability limits
Apply appropriate boundary conditions for leak sources, mass flow rates, and environmental conditions
Conduct steady-state and transient simulations for leak evolution and fire scenarios
Interpret results to identify risk zones, ignition probability, and mitigation strategies
Support V&V activities, including comparison with test data and literature correlations
Prepare technical reports highlighting assumptions, risks, and safety insights
Collaborate with cross-functional teams on safety, compliance, and product design

Qualifications

Bachelor’s / Master’s in Mechanical, Chemical, Aerospace Engineering, or related field
4–8 years of experience in CFD with focus on fluid flow and safety modeling
Strong fundamentals in:

Fluid dynamics and turbulence
Heat transfer
Multiphase flow and species transport
Combustion and fire dynamics

Experience with CFD tools such as: ANSYS Fluent / CFX / STAR-CCM+ / OpenFOAM / COMSOL
Hands-on experience in:

Refrigerant leakage modeling
Gas dispersion and ventilation studies
Fire/combustion simulations

Understanding of:

Flammability limits and hazard assessment
Transient flow and leak dynamics
Basic V&V practices

Good communication and technical documentation skills
Preferred:

Exposure to HVAC/refrigeration systems
Familiarity with safety / regulatory-driven simulations