AI / Simulation Engineer (Thermal - Electronics Cooling)

UL Solutions; Bengaluru; On-site; INR 800,000 - 1,200,000; Full time

Job summary

UL Solutions is looking for a Thermal Engineer in Bengaluru, India, to develop and execute CFD simulations and thermal analyses for electronics cooling applications. The ideal candidate should possess a Bachelor's or Master's degree in Mechanical Engineering or related fields and have 4-8 years of industrial experience in CFD and thermal-fluid simulations.

The role involves collaborating with cross-functional teams to optimize product designs and support testing and validation activities.

Qualifications

• 4–8 years of experience in CFD and thermal-fluid simulations.
• Hands-on exposure to CFD model set-up and interpretation.
• Good communication skills to explain complex results.

Responsibilities

• Develop CFD and thermal simulations for electronics cooling applications.
• Support thermal analysis for various electronic products.
• Post-process and interpret simulation results to identify risks and opportunities.

Skills

CFD and thermal simulations

Fluid mechanics

Heat transfer

Thermodynamics

Communication skills

Education

Bachelor's or Master's degree in Mechanical Engineering

Tools

ANSYS Icepak

ANSYS Fluent

Siemens FloTHERM

Job description

Responsibilities

• Develop and execute Computational Fluid Dynamic (CFD) and thermal simulations for electronics cooling applications, including airflow, forced and natural convection, and conjugate heat transfer
• Support component-, board-, enclosure-, cabinet-, and sub‑system‑level thermal analysis for products such as circuit breakers, PLCs, laptops, and appliances
• Analyze industrial environments (EIA) including high ambient temperatures, enclosure heating, dust effects, and derating requirements
• Assist in rapid model set‑up and simulation turnaround to support internal service requests and customer engineering needs
• Apply appropriate boundary conditions including power losses (I²R, switching losses), contact resistance, and environmental loads
• Support steady‑state and transient thermal analyses, including power cycling, duty cycles, startup conditions, and basic fault scenarios
• Evaluate airflow distribution in control panels, switchgear assemblies, and electronic enclosures
• Post‑process and interpret simulation results to identify thermal risks, hotspots, airflow inefficiencies, and design improvement opportunities
• Assist in correlating simulation results with temperature rise tests, lab measurements, and field observations
• Prepare clear technical summaries and documentation of assumptions, methods, results, and limitations
• Support verification and validation (V&V) activities, including comparison with test data using engineering metrics
• Engage with senior engineers to understand UL/IEC standards, certification requirements, and temperature rise limits
• Learn and apply best practices in mesh strategy, numerical stability, convergence assessment, and result credibility
• Support design optimization activities such as heat sink sizing, airflow path improvement, and enclosure ventilation strategies
• Collaborate effectively with cross‑functional teams (electrical, mechanical, regulatory) and contribute to a learning‑oriented, supportive team culture

Qualifications

• Bachelor’s or Master’s degree in Mechanical Engineering, Thermal Sciences, Aerospace Engineering, or a related field from a reputed institution
• 4–8 years of industrial or applied experience in Computational Fluid Dynamic (CFD) and thermal‑fluid simulations (internships and thesis work may be considered)
• Strong fundamentals in:
  • Fluid mechanics and basic turbulence modeling
  • Heat transfer (conduction, convection, radiation)
  • Thermodynamics relevant to electronics cooling
• Hands‑on exposure to CFD model set‑up, solution execution, and result interpretation
• Familiarity with at least one commercial simulation tool such as:
  • ANSYS Icepak, ANSYS Fluent
  • Siemens FloTHERM / FloEFD
  • STAR‑CCM+, COMSOL, or similar software
• Basic understanding of mesh generation and grid quality concepts, solver settings and convergence behavior
• Structured modeling workflows and technical guidelines
• Good written and verbal communication skills, with ability to explain results clearly
• Self‑motivated, detail‑oriented, and comfortable learning in a technically rigorous environment
• Exposure to electronics thermal management, including:
  • ICs, PCBs, power electronics
  • Heat sinks, fans, vents, and enclosures
• Awareness of electronics packaging constraints such as:
  • Space limitations, airflow resistance
  • Material properties and power dissipation
• Basic experience with thermal testing, such as thermocouple placement, temperature measurement, or data acquisition
• Introductory experience correlating simulation results with test or experimental data
• Familiarity with transient thermal behavior, power cycling, and reliability considerations
• Exposure or interest in industrial products such as circuit breakers, PLCs, switchgear, or control panels
• Interest in automation, scripting, or AI‑assisted simulation workflows