Battery Thermal Engineer

Job Title: Battery Thermal Engineer

Location: Cupertino, CA – Onsite
Duration: Long Term Contract
Interview: Webex Hire

Job Description

We are looking for an experienced Battery Thermal Engineer to join our Battery Modeling team in Cupertino, CA. The engineer will be responsible for developing advanced thermal and multiphysics finite-volume models for battery cells, battery packs, and BMS subsystems.

The ideal candidate should have strong hands-on experience with Ansys Electronics Desktop (AEDT) and ICEPAK, along with a strong background in CFD, thermal modeling, and Python scripting.

Responsibilities

• Develop thermal and multiphysics models for battery cells, packs, and BMS subsystems.

• Develop models and capabilities to convert power maps into thermal outputs.

• Perform advanced thermal/CFD simulations at cell, pack, BMS, and system levels.

• Develop simulation models and generate accurate thermal analysis results using advanced tools and solvers.

• Develop optimized workflows and reusable templates for recurring thermal simulations.

• Establish and implement thermal modeling best practices.

• Collaborate with CAE vendors to improve simulation capabilities and functionality.

• Explore new analysis methods, including topology optimization.

• Extract Reduced Order Models (ROM) from CFD simulations to accelerate exploratory studies.

• Support thermal analysis, simulation automation, and model development activities.

Required Qualifications

• MS or PhD in Mechanical Engineering or a related field.

• 3+ years of relevant industry experience.

• Strong foundation in CFD and thermal modeling.

• Expert-level experience with Ansys Electronics Desktop (AEDT).

• Expert-level hands-on experience with ICEPAK within AEDT – MUST HAVE.

• Proficiency in Python or other scripting languages.

• Strong understanding of thermal analysis, heat transfer, and CFD simulation.

• Valid US work authorization with no export compliance restrictions.

Preferred Qualifications

• MS/PhD with 5+ years of relevant experience.

• Experience with Li-ion cells and battery packs.

• Familiarity with Cadence Allegro and electronics layout design.

• Experience with NX and/or COMSOL.

• Experience in electronics cooling.

• Experience with Reduced Order Modeling (ROM).

• Knowledge of thermal optimization and multiphysics simulation.

Required Skills

AEDT, Ansys Electronics Desktop, ICEPAK, CFD, Thermal Modeling, Thermal Simulation, Heat Transfer, Battery Thermal, Battery Cells, Battery Packs, BMS, Python, Multiphysics, Electronics Cooling