
Battery FEA Engineer
Required skills
- FEA
- Abaqus
- nonlinear constitutive modeling
- high speed events
- large deformations
- Python
- finite element models
Nice to have
- coupled thermal-mechanical
- electrochemical-mechanical modeling
- LS-DYNA
- ANSYS
- COMSOL
- physics-based machine learning
Role summary
Apple's Battery Engineering team seeks an experienced FEA Engineer to design, qualify, and manufacture battery systems for portable electronic devices. This role will utilize advanced simulation techniques and commercial FEA software to directly influence design decisions, impacting reliability, safety, manufacturing, and performance across Apple's product portfolio. The engineer will work with Python for model building and debugging, focusing on nonlinear constitutive modeling and high-speed/large deformation events. Preferred qualifications include experience with coupled thermal-mechanical or electrochemical-mechanical modeling, additional FEA software, physics-based ML, custom solver development, battery-specific domain knowledge, model validation against experiments, and HPC environments.
Description
In this role, your work will directly influence the design and performance of battery systems in products used by hundreds of millions of people worldwide. You will be at the center of Apple's battery innovation engine, enabling faster development cycles, improved product safety and reliability, and breakthrough performance.
Minimum Qualifications
MS degree in Mechanical Engineering, Computational Mechanics, Applied Mechanics, Materials Science, Applied Physics, or similar Experience with commercial finite element analysis software such as Abaqus Experience with advanced simulation techniques such as nonlinear constitutive modeling and modeling of high speed events and large deformations Experience programming in Python Experience building, debugging, and calibrating finite element models
Preferred Qualifications
PhD and 10+ years relevant industry experience Experience with coupled thermal-mechanical or electrochemical-mechanical modeling Experience with LS-DYNA, ANSYS, or COMSOL Exposure to physics-based machine learning methods for surrogate modeling or model order reduction Custom solver development or user-defined material model implementation experience Industry experience in battery mechanics, electrochemistry, or energy storage systems Experience validating complex models against experimental data Experience designing and executing physical tests for material characterization or model validation Familiarity with high-performance computing (HPC) environments and version-controlled software development workflows
Sample Apple interview questions
- 1
Design a typeahead box for a search engine
system designmedium - 2
Design a rate limiter
system designmedium - 3
Architect a key-value store for distributed systems.
system designmedium - 4
Design a system to schedule jobs in a distributed environment
system designmedium - 5
What is an API and how does it work?
technicalmedium
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