Electrical Battery Technologist
2 weeks ago
About the Role
The Battery Electrical Systems Engineer is responsible for the detailed design of our company's traction battery pack electrical and electro-chemical hardware at component and vehicle levels. As the expert interface between powertrain requirements, engineering design houses, contract manufacturers, joint development partners, and testing partners, you will serve as the technical point of contact for battery-related topics.
Key Responsibilities
- Perform powertrain battery sizing exercises using methods like analytical, simulation/modeling, industry survey, and competitor vehicle benchmarking.
- Translate sizing requirements into pack and cell level technical requirements and masterfully perform trade-offs that allow powertrains to delight customers while managing part and running costs.
- Own the battery cell activities including identifying capacity, chemistry, form factor, BMS specification and configuration, battery test specifications, mechanical packaging, thermal performance, electrical isolation, industry standards, and verification processes.
- Work efficiently with our supply chain leaders to identify and globally source all battery-related components.
- Work hands-on with our engineers to test samples or prototypes of cells, battery packs using bench-level static loads, dynamometer-level, and vehicle riding-level testing.
Requirements
- Multi-disciplinary problem solver and low ego collaborator.
- 7+ years of experience developing EV powertrain battery technologies and bringing high volumes to market - startup experience highly desirable.
- Experience developing models or simulations using MATLAB/Python/Excel.
- Experience using electrical CAD and mechanical 2D/3D CAD design tools to design/inspect PCBs, mechanical fixtures, battery enclosures.
- Applied knowledge in tolerance stack analysis and GD&T.
- Experience in IC selection, device selection, BOM generation, PCB testing, and debugging using lab tools.
- Experience in battery cell selection for passenger EVs, with ability to trade-off between performance, mass, cost, longevity, and supplier risk.
- Experience developing BMS system architecture including analog sampling and conditioning, state machine algorithms, security mechanisms, contactor/relay control timing, and safety/fault-tolerant operation.
- Understanding of comms interfaces such as CAN, ethernet, SPI, UART, and RS-485.
- Understanding of analog, digital, and mixed-signal domain topics including EMI/EMC/Immunity and cross-talk effects typical to electric powertrains.
- Experience working with contract manufacturers, joint development partners through DFM, DFA to ensure the powertrain and vehicle is scalable to high volumes.
Desirable Skills
- Knowledge of embedded firmware development and testing.
- Knowledge of IoT systems, cloud backend storage of battery and vehicle data.
- A passion for motorcycles and riding and all things automotive.
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