Demo

Battery Thermal Engineer

OSI Engineering
Cupertino, CA Full Time
POSTED ON 6/17/2026
AVAILABLE BEFORE 7/16/2026

A globally leading consumer device company headquartered in Cupertino, CA is looking for a Battery Thermal Engineer to join their team.


Job Responsibilities:


• As a member of the Battery Modeling team, you will be responsible for Thermal modeling for all products.

• Develop of state of art Thermal as well as multi-physics finite volume (FE) models of cell, pack, and BMS sub-systems.

• Generate models/capability to convert power map into thermal outputs.

• Perform advanced Thermal/CFD simulations to evaluate and enhance understanding of the various boundary conditions at the cell, pack, BMS sub-systems around battery packs well as in system.

• Use best in class tools and solvers to generate the necessary simulation models and results.

• Develop optimized workflows and/or reusable templates for regularly required thermal simulations.

• Develop and implement thermal modeling best practices.

• Work with CAE vendors to drive the functionality improvements to better serve the CAE needs of the group.

• Explore new analysis types and solutions, including topological optimization.

• Extract Reduced Order Models (ROM) from CFD simulations to speed up the exploratory studies


Candidate Qualifications:


• MS/PhD 3 yrs industry experience

• Mechanical engineering background with strong foundation in CFD and thermal modeling

• Must-have expert level skillset related to Ansys electronic desktop (AEDT) and Icepak in AEDT

• Python or other scripting languages


Preferred Qualifications:


• MS/PhD 5 yrs relevant experience

• Familiarity in Cadence Allegro and electronics layout design

• Familiarity with li-ion cells and battery packs

• Familiarity with NX, Comsol

• Experience in electronics cooling



Type: Contract

Duration: 6 months with extension

Work Location: Cupertino, CA (onsite)

Pay rate: $74.00 - $89.00 ph (DOE)

Salary : $74 - $89

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