Senior Thermal CFD Simulation Design Engineer - Battery Energy Storage Systems

Job description

Senior CFD Simulation Design Engineer BESS Senior Design Engineer -- Thermal CFD Simulation (BESS) Location: Bengaluru, India Experience: 8--12 Years Function: BESS Product Engineering -- Simulation \& Analysis About the Role We are seeking a Senior Design Engineer -- Thermal CFD Simulation to lead advanced thermal modeling and CFD simulations for utility?scale and commercial \& industrial Battery Energy Storage Systems (BESS) . In this role, you will own the virtual thermal validation of battery systems, enclosures, and cooling architectures and real system development. You will play a critical role in guiding design decisions, reducing physical test iterations, and improving safety, reliability, and performance of stationary storage products. Key Responsibilities Thermal Modeling \& CFD Simulation Develop and execute CFD models to analyze: Battery module and rack thermal behavior Container?level airflow and liquid cooling performance Hot?spot formation and temperature gradients Perform steady?state and transient thermal simulations under: Normal operation High?power and long?duration load profiles Environmental extremes and fault scenarios Design Support \& Optimization Support thermal and mechanical teams with simulation?driven design guidance . Electro -- Mechanical component thermal Analysis Evaluate and compare cooling concepts and layouts using CFD. Analyse flow patterns and temperature distributions to optimize cooling, reduce hotspots, and improve system efficiency. Optimize airflow, ducting, cooling plate, and cold?plate designs for performance and efficiency. Provide actionable recommendations balancing performance, cost, and manufacturability . Correlation \& Validation Correlate CFD results with experimental and field test data. System level -Model Generation. Improve model accuracy through continuous validation. Support thermal design verification during FAT, SAT, and commissioning phases. System?Level Analysis Contribute to system?level thermal trade studies for: Utility?scale containerized BESS Indoor and outdoor C\&I installations Assess impact of thermal behavior on: Battery life System derating Safety margins Perform steady-state and transient 3D CFD/thermal simulations, focusing on Electrical /Electronic cooling, heat sinks,HVAC and air/liquid cooling systems. Technical Leadership \& Collaboration Act as CFD subject?matter expert within the BESS engineering team. Mentor junior simulation engineers and review analysis outputs. Collaborate with battery, thermal design, mechanical, and system engineering teams. Required Skills \& Experience Core Technical Skills 8--12 years of experience in thermal CFD simulation for batteries, power electronics, or energy systems. Strong fundamentals in: Heat transfer Fluid dynamics Turbulence modeling Hands?on expertise with CFD tools such as: Ansys Fluent / Icepak Star?CCM SIMcenter Similar commercial CFD platforms Experience modeling battery thermal behavior (lumped or detailed approaches). System \& Product Experience Experience supporting stationary energy storage or similar large?scale energy systems preferred. Understanding of thermal challenges in high?energy, long?duration battery systems . Ability to interpret simulation results in the context of real?world operational constraints. Preferred Qualifications Bachelor's or Master's degree in Mechanical, Thermal, or Aerospace Engineering. Experience with: CFD automation or scripting Multiphysics simulations (thermal?electrical coupling desirable) Familiarity with stationary storage codes and standards (IEC / UL). Soft Skills Strong analytical and modeling mindset. Ability to clearly communicate complex simulation results to non?CFD stakeholders. Ownership mentality and attention to detail. Comfortable working in a fast?paced, product?driven environment.