• 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
Skills Required
- Bachelor's or Master's in Mechanical, Chemical, Aerospace Engineering, or related field
- 4-8 years experience in CFD with focus on fluid flow and safety modeling
- Strong fundamentals in fluid dynamics, turbulence, and heat transfer
- Experience with multiphase flow and species transport modeling
- Knowledge of combustion and fire dynamics, including ignition and flame propagation
- Experience with CFD tools (ANSYS Fluent, CFX, STAR-CCM+, OpenFOAM, COMSOL)
- Hands-on experience in refrigerant leakage modeling, gas dispersion, and ventilation studies
- Experience performing fire/combustion simulations and transient leak dynamics
- Understanding of flammability limits, hazard assessment, and basic V&V practices
- Good communication and technical documentation skills
- Exposure to HVAC/refrigeration systems
- Familiarity with safety/regulatory-driven simulations
What the Team is Saying
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UL Solutions Compensation & Benefits Highlights
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Retirement Support — The 401(k) program is portrayed as strong, with a notable employer match and an additional company contribution after the first year that enhances long‑term savings. This structure is consistently highlighted as a differentiator in the total rewards mix.
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Healthcare Strength — Medical coverage is characterized by multiple plan options administered by a major carrier and a substantial employer cost share, alongside dental, vision, and mental‑health/EAP resources. The breadth of choices and supportive programs underscore a comprehensive health offering.
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Leave & Time Off Breadth — PTO with sick time, floating holidays, and dedicated paid volunteer days are emphasized, along with paid parental bonding and family‑care leave. Flexible work arrangements by role further increase the practical utility of time‑off benefits.
UL Solutions Insights
What We Do
A global leader in applied safety science, UL Solutions transforms safety, security and sustainability challenges into opportunities for customers in more than 100 countries. UL Solutions delivers testing, inspection and certification services, together with software products and advisory offerings, that support our customers’ product innovation and business growth. The UL Certification Marks serve as a recognized symbol of trust in our customers’ products and reflect an unwavering commitment to advancing our safety mission. We help our customers innovate, launch new products and services, navigate global markets and complex supply chains, and grow sustainably and responsibly into the future. Our science is your advantage.
Why Work With Us
Science is in our DNA; we are endlessly curious and passionate about seeking and speaking the truth. We take delight in knowing that our work makes a meaningful contribution to society, and we are proud that our culture is centered on integrity, collaboration, inclusion and excellence.
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UL Solutions Offices
Hybrid Workspace
Employees engage in a combination of remote and on-site work.
Depending on the role we offer hybrid or remote opportunities.
