Senior BMS Architect for Li‑Ion Systems

East Penn Manufacturing Company, Inc.; Ann Arbor (MI); On-site; USD 150,000 - 190,000; Full time

Benefits offered by this job

Competitive compensation

Group health insurance

Retirement Savings Plan

Paid time off (PTO)

Employee assistance program

Job summary

Navitas Systems LLC, in collaboration with East Penn Manufacturing, seeks a Principal Battery Management System Engineer to provide technical leadership across BMS architecture, firmware and safety-critical systems for lithium-ion battery products serving military, commercial, and industrial markets.

You will own multi-generation BMS platforms, define system-level direction, ensure regulatory compliance, and guide cross-functional decisions to deliver robust, scalable solutions aligned with

Qualifications

• Master’s degree required or equivalent with relevant certifications/coursework.
• 15+ years of embedded systems work experience.
• 7+ years of experience with battery or energy systems preferred.

Responsibilities

• Serve as technical authority for BMS architecture, including firmware, electronics, sensing, controls, and system integration.
• Define and maintain system-level BMS architecture, design patterns, and technical standards across multiple product lines.
• Lead technical trade studies for safety, performance, cost, manufacturability, and long-term maintainability.
• Establish best practices for embedded firmware architecture, hardware abstraction, diagnostics, and fault handling.
• Provide expert-level guidance on embedded firmware design, real-time systems, and safety-critical software.
• Lead development and review of core BMS algorithms, including SOC, SOH, SOE, cell balancing, protection, diagnostics, and degradation monitoring.
• Own interpretation and application of relevant safety and compliance standards (e.g., UL, IEC, ISO, functional safety guidance) as they relate to BMS design.
• Drive system-level requirements decomposition, traceability, and verification strategy.
• Lead DFMEA, FTA, and system-level risk assessments; ensure mitigation strategies are implemented and verified.
• Guide development of end-of-line test strategies, diagnostic coverage, and service tools.
• Ensure BMS designs are manufacturable, testable, and serviceable at scale.
• Support long-term sustainment, reliability improvements, and continuous improvement initiatives.
• Other duties as assigned by management.

Skills

BMS architecture

Embedded systems

System-level design

Safety-critical verification

Root-cause analysis

Education

Master’s degree in Electrical/Electrical Engineering or Computer Science

Bachelor’s degree in related field with certifications or coursework

Tools

SPI

I2C

CAN

CANOpen

J1939

UDS

Job description

Navitas Systems LLC, in collaboration with East Penn Manufacturing, seeks a Principal Battery Management System Engineer to provide technical leadership across BMS architecture, firmware and safety-critical systems for lithium-ion battery products serving military, commercial, and industrial markets.

You will own multi-generation BMS platforms, define system-level direction, ensure regulatory compliance, and guide cross-functional decisions to deliver robust, scalable solutions aligned with