BMS Design & Development Engineer
16 hours ago
Lake Orion
Job Description Job Summary: The Battery Management System (BMS) Design & Development Engineer is responsible for the detailed design, development, integration, and support of BMS hardware, Software (SW) and associated algorithms for advanced energy storage applications. This role focuses on hands-on electrical design, hardware bring-up, bench testing, and system-level debug of lithium-ion battery packs to ensure safe, efficient, and reliable operation. This role will work closely with cross-functional teams including electrical hardware, embedded software, cell engineering, and test engineering, to deliver robust and scalable BMS solutions across the product lifecycle, from concept and schematic design through validation testing and production release. Responsibilities: • Design and support BMS hardware including sensing, protection, control, and interface circuitry., • Develop, review, and release electrical schematics, component selections, and electrical interfaces for battery packs., • Support Printed Circuit Board (PCB) layout reviews, hardware bring-up, debug, and rework activities., • Perform bench-level debugging and root-cause analysis of BMS hardware and interface issues., • Support integration of BMS hardware with battery cells, contactors, sensors, and pack-level components., • Execute BMS hardware validation including functional verification, protection feature testing, and fault-injection testing., • Develop and execute electrical and functional test plans to verify BMS performance., • Support signal integrity, power integrity, and noise immunity evaluations., • Assist with environmental, endurance, abuse, and fault-case testing as required., • Troubleshoot failed battery packs and implement corrective actions with validation testing., • Develop and support battery and control models using MATLAB/Simulink., • Assist with State of Charge (SOC), State of Health (SOH), and State of Power (SOP) algorithm development, tuning, and validation., • Correlate model predictions with laboratory, system, and field test data., • Debug interfaces between embedded software and BMS hardware (Analog to Digital Converter (ADC), Serial Peripheral Interface (SPI), Inter-Integrated Circuit (I2C), Control Area Network (CAN), General Purpose Input/Output (GPIO))., • Support embedded software teams during hardware bring-up and system debug activities., • Create and maintain technical documentation including schematics, design notes, test procedures, and validation reports., • Collaborate with cross-functional teams to support BMS development, integration, and issue resolution., • Support production, manufacturing, and field issue investigations when required., • Adhere to federal and state regulations., • Adhere to all company policies, processes, and procedures., • Performs other duties as requested, directed, or assigned., • Predictable and reliable attendance. Position Qualifications: • Bachelor’s degree in Electrical Engineering or equivalent degree required., • Minimum of three (3) years of engineering experience in BMS, battery systems, embedded hardware, or power electronics, or equivalent experience required., • Hands-on experience with schematic design, hardware bring-up, and electrical debugging required., • Experience working with high- and low-voltage battery systems and communication interfaces required., • Experience with SOC estimation methods such as Coulomb counting, Open Circuit Voltage (OCV) correlation, or basic observer-based techniques preferred., • Exposure to BMS validation testing, fault-case analysis, or safety mechanism verification preferred., • Familiarity with PCB design tools such as Altium, KiCad, or equivalent preferred., • Experience in automotive, energy storage, or electrification applications preferred., • Experience supporting production release and field issue resolution preferred., • Proficiency with lab equipment including Digital Multimeters (DMMs), oscilloscopes, power supplies, and electronic loads., • Familiarity with lithium-ion battery fundamentals and battery pack architectures., • Familiarity with using MATLAB/Simulink for modeling, algorithm development, or data analysis., • Understanding of embedded interfaces such as CAN, SPI, I2C, Universal Asynchronous Receiver-Transmitter (UART), and ADCs., • Proficient in Microsoft Office tools (Word, Excel, PowerPoint)., • Ability to travel and work flexible hours as needed (<10% travel on average). Key Competencies: • Influences Others: Has personal and organizational impact built on mutual trust, fairness, and honesty. Flexes their style to direct, collaborate, or empower as the situation requires., • Focuses on Quality: Drives work results with a quality focus on actions and results., • Decision Making & Analysis: Makes sound decisions based upon a mixture of data-driven analysis, expertise, experience, and judgment; collects relevant information, seeking input from others, and identifies connections and/or root causes of problems., • Takes Initiative: Exhibits strong drive for results and success; conveys a sense of urgency and drives issues to closure; persists despite obstacles and opposition., • Delivers Results: Achievement-oriented, feeling a sense of urgency to reach goals on time, if not before., • Teamwork: Works cooperatively with others to accomplish team goals and organizational objectives., • Communications: Exchanges thoughts, feelings, and information effectively. Physical Requirements / Working Conditions: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform essential functions. • Prolonged periods sitting at a desk and working on a computer., • Constantly operates a computer and other office equipment., • Ability to adjust focus, especially due to concentration on a computer screen., • May need to lift and carry up to 30 pounds and/or position the body to reach items on the floor/below knee level or reach overhead., • The person in this position needs to occasionally move about in industrial environments, and on uneven terrain., • Works in a temperature-controlled office environment, with occasional work in outdoor weather conditions, and in industrial environments., • The noise level in the work environment can be moderately loud. Why Join Us American Battery Solutions (ABS) provides comprehensive 100% employer paid benefit plans to employees and their family, competitive salary and retirement program. ABS employs a diverse and inclusive workforce. Benefits Overview • Paid time off includes 3 weeks vacation, up to 72 hours sick, 15 holidays, and parental leave., • 100% company-paid medical, dental, vision, short-term disability, long-term disability, and life insurance., • Flexible Spending Account (FSA) and Health Savings Account (HSA) offerings., • Company provided 401K savings plan with immediately vested matching contributions to help you save for retirement., • Voluntary benefits offerings., • Tuition assistance., • Employee Referral Program., • Employee development and career growth opportunities. About Us American Battery Solutions Inc. (“ABS”) is a manufacturer of advanced batteries for commercial, fleet, and industrial on- and off-road vehicles. Located in the heart of the U.S. automotive region with facilities in Michigan and Ohio. In 2023, ABS was acquired by Komatsu, a world leader in construction, mining, forestry, and industrial heavy equipment in support of Komatsu’s 2050 carbon neutrality goal. ABS continues to operate as an independent entity serving Komatsu applications while continuing to expand and grow our core commercial, fleet and industrial business. As we have grown, ABS has assembled a world-class team of dedicated and experienced engineers. This team is equipped with a deep understanding of high-voltage, automotive-grade battery systems from concept development and prototyping, to testing and validation, to high-volume production. We pride ourselves on developing a diverse team of next generation battery experts. The Location - Lake Orion American Battery Solutions Headquarters and Innovation Center is located in the heart of South-East Michigan in Orion Township. Orion Township is a Pure Michigan Trail Town that has a long-standing dedication to enhancing trails and pathways in its community, which is home to the Polly Ann Trail, Paint Creek Trail, and Iron Belle Trail. The township has more than 50 miles of trails. Southeast Michigan also boasts some of the best eating around! Whether your interest is in furthering your education, enjoying one of the many regional sporting events, or enjoying the vast outdoors that Michigan has to offer, you’ll be at the center of it here! AMERICAN BATTERY SOLUTIONS IS AN EQUAL OPPORTUNITY EMPLOYER.