Senior BMS Engineer
East Penn Manufacturing Company3 months ago
Ann Arbor, MI, USASenior
Responsibilities
- Design, develop, and test embedded firmware for Battery Management Systems.
- Define electrical, firmware, and system-level requirements and integrate hardware, software, mechanical, and testing functions.
- Develop low-level drivers, application firmware, and algorithms for OCV, SOC, and SOH.
- Perform root-cause analysis and troubleshoot electronics and firmware to implement corrective actions.
- Create design validation and verification documentation and support DV and PV testing.
- Develop and deploy end-of-line test apparatus and production-testing procedures.
- Use coverage, static-analysis, performance-profiling, and hardware-debugging tools to verify designs.
- Identify risks using Design Failure Mode and Effects Analysis and Fault Tree Analysis.
Requirements
- Bachelor’s degree in electrical engineering, computer science, or computer engineering.
- At least 7 years of embedded-systems work experience.
- Preferred: at least 5 years of experience with batteries or relevant energy systems.
- Practical experience with lithium-ion battery products, battery-protection schemes, and safety standards.
- Ability to write clean, testable, and maintainable code using professional software-development practices.
- Ability to read schematics, circuit designs, and hardware documentation.
- Experience performing PCB rework with hot-air stations and microscopy and building prototype wiring harnesses.
- Proficiency with SPI, I2C, CANOpen, J1939, and UDS communication protocols.
- Experience with CI/CD pipelines; familiarity with Docker is a plus.
- Strong communication, problem-solving, detailed-analysis, and root-cause-identification skills.
Benefits
- Medical, dental, vision, and prescription coverage with a low employee premium.
- Retirement Savings Plan with company match and a 3% employer contribution.
- Paid company holidays and Paid Time Off.
- Employee assistance program and fitness discounts.
- Promotional opportunities, career advancement opportunities, and employee appreciation and recognition events.
About East Penn Manufacturing Company
East Penn Manufacturing builds lead-acid and lithium battery products for automotive, motive power, reserve power, and specialty applications, selling to OEMs and the aftermarket under the Deka and other brands. Founded in 1946 and still family-owned, it is headquartered in Lyon Station, Pennsylvania, and runs an integrated recycling and manufacturing operation. The company acquired a majority stake in Navitas Systems in 2019 to expand advanced lithium energy storage systems for commercial and industrial customers.