Mechanical Engineer

3 days ago


Cupertino, California, United States OSI Engineering Full time

Our client is seeking a highly skilled Battery Thermal Engineer to join their Battery Product Development team. This group drives innovation in next-generation battery systems—designing high-energy, high-reliability embedded battery modules across multiple product lines.

In this role, you'll be embedded with the Product Design organization from day one, shaping early-stage concepts, providing CAE-driven design guidance, and delivering sophisticated thermal and multi-physics simulations. This is a high-impact opportunity to influence the architecture and performance of industry-leading consumer hardware.

Responsibilities:


• Develop state-of-the-art thermal and multi-physics FE models for cell, pack, and BMS subsystems.


• Provide design and trade-off guidance to Product Design teams through early-stage simulation.


• Build models to convert power maps into thermal outputs.


• Perform advanced thermal CAE simulations to understand boundary conditions.


• Support design evolution with cross-functional teams.


• Partner with design teams to clarify goals and CAE scope.


• Use industry-leading solvers to generate accurate simulation results.


• Collaborate with test labs to develop physical test methods and gather validation data.


• Work with system teams to develop detailed sub-models.


• Create optimized workflows and reusable templates for thermal FEA.


• Develop and implement best practices.


• Collaborate with vendors to improve CAE functionality.


• Explore new analysis types, including topology optimization.

Requirements:


• PhD + 3 years industry experience required.


• Strong background in thermal simulations within Mech/Electrical Engineering.


• Experience in transient thermal simulations.


• Background in electronic heating/cooling and CFD.


• Familiarity with multi-physics coupled modeling.


• Expertise in Ansys Electronic Desktop (HFSS, IcePak).


• Experience with NX, Comsol, Cadence.

Preferred Qualifications:


• Experience with OptiSlang, iSight


• Experience with Allegro and electronics layout


• Familiarity with Li-ion cells and battery packs


• Experience leading technical development roadmaps


• Project team leadership background


• Python or scripting experience

Location
: Cupertino, CA

Duration:
1 year with the possibility of extension

Salary Range
: $60-$68

No 3rd party agencies or C2C



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