Senior BMS Architect - Embedded, Lithium Systems

careersnavitas-eastpennmanufacturing; Ann Arbor (MI); Hybrid; USD 140,000 - 220,000; Full time

Benefits offered by this job

Competitive compensation

Health insurance

Retirement plan

Holidays & PTO

Employee assistance

Fitness discounts

Promotional opportunities

Job summary

Navitas Systems LLC is seeking a Principal Battery Management System (BMS) Engineer to provide technical leadership across firmware, electronics, and system integration for lithium-ion battery products serving military and industrial markets.

The role requires ownership of multi-generation BMS platforms, defining system-level direction, and guiding cross-functional architectural decisions to ensure robust, scalable solutions aligned with future roadmaps.

Qualifications

• Recognized expert in BMS firmware, electronics, and system-level design.
• Deep understanding of lithium-ion battery behavior, protection strategies, and safety mechanisms.
• Proven ability to define and evolve system architectures across multiple product generations.
• Advanced proficiency with embedded communication protocols (SPI, I2C, CAN, CANOpen, J1939, UDS).
• Strong experience with verification, validation, and compliance in regulated or safety-critical environments.
• Exceptional analytical and problem-solving skills, including root-cause analysis of complex system issues.

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.

Skills

BMS firmware

Electronics design

System architecture

Embedded protocols SPI I2C CAN CANOpen

Safety-critical environments

Root-cause analysis

Education

Master’s degree in Electrical Engineering or Computer Science

Bachelor’s degree + relevant certifications or coursework

Job description

Navitas Systems LLC is seeking a Principal Battery Management System (BMS) Engineer to provide technical leadership across firmware, electronics, and system integration for lithium-ion battery products serving military and industrial markets.

The role requires ownership of multi-generation BMS platforms, defining system-level direction, and guiding cross-functional architectural decisions to ensure robust, scalable solutions aligned with future roadmaps.