> Markdown version of [/jobs/ext/2243516-principal-bms-engineer](https://www.wearedevelopers.com/jobs/ext/2243516-principal-bms-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Principal BMS Engineer - **Company:** Actalent - **Location:** Ann Arbor, MI, United States - **Experience:** Expert - **Salary:** $62,400.0 - $72,800.0 - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, CANopen, Software Documentation, Communications Protocols, Computer Engineering, Software Design Patterns, Firmware, Failure Mode Effects Analysis, Systems Analysis, Reliability Engineering, Software Engineering, Systems Architecture, Systems Integration, Strategies of Testing, Real Time Systems, Information Technology - **Published:** August 26, 2026 - **Apply:** https://www.careerbuilder.com/job-details/bms-principle-engineer-ann-arbor-mi--7c5b710e-c3e3-4c9f-99ff-606833dbfb50 ## About the Role * Master's degree in Electrical Engineering, Computer Science, or Computer Engineering preferred; or Bachelor's degree in a related field with relevant certifications or graduate-level coursework. * 15+ years of embedded systems work experience. * 7+ years of experience working with battery or relevant energy systems preferred. Knowledge, Skills and Abilities * 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., Algorithms, Analysis Skills, Architectural Design, Architectural Services, Artificial Intelligence (AI), Best Practices, Candidate Screening, Communications Protocols, Computer Engineering, Computer Firmware, Computer Science, Continuous Improvement, Cross-Functional, Design Failure Mode and Effects Analysis (DFMEA), Design Patterns Programming Methodologies, Design Services, Electrical Engineering, Electronics, Embedded Systems, Genetics, Hardware Architecture, I2C, ISO (International Organization for Standardization), International Electro-Technical Commission (IEC), Lithium Battery, Problem Solving Skills, Product Planning, Regulations, Regulatory Compliance, Reliability Engineering, Risk Analysis, Root Cause Analysis, Safety Compliance, Safety Standards, System Architecture, System Integration (SI), Systems Analysis, Systems Maintenance, Technical Leadership, Technical/Engineering Design, Test Strategy, Traceability, Trade Studies, User Documentation, Validation Testing ## Description The Principal BMS Engineer defines technical direction, owns system-level architecture decisions, ensures regulatory and functional safety compliance, and serves as the subject-matter expert across firmware, electronics, algorithms, and system integration. In this role, you will own and steward multi-generation BMS platforms, define system-level technical direction, and guide cross-functional architectural decisions to ensure BMS solutions are robust, scalable, and aligned with current and future product roadmaps. 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. ## Related Videos - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [Playing Pong on a shoulder press machine](https://www.wearedevelopers.com/videos/100140-playing-pong-on-a-shoulder-press-machine) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Agent Smith Gets Hardware: Autonomous IoT Hacking From Debug Port to Cloud API](https://www.wearedevelopers.com/videos/100258-agent-smith-gets-hardware-autonomous-iot-hacking-from-debug-port-to-cloud-api) - [Remote Driving on Plant Grounds with State-of-the-Art Cloud Technologies](https://www.wearedevelopers.com/videos/251-remote-driving-on-plant-grounds-with-state-of-the-art-cloud-technologies) - [Detecting Money Laundering with AI](https://www.wearedevelopers.com/videos/111-detecting-money-laundering-with-ai) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [A Guide to Green Tech and Green IT Careers](https://www.wearedevelopers.com/magazine/374-a-guide-to-green-tech-and-green-it-careers)