Komatsu · 20 hours ago
BMS Design & Development Engineer
Lake Orion, MI, US
Full-time
Onsite
Mid Level
$100K/yr - $150K/yr
3+ years expAmerican Battery Solutions Inc. is a manufacturer of advanced batteries for commercial, fleet, and industrial applications, recently acquired by Komatsu. The BMS Design & Development Engineer will focus on the design, development, and integration of Battery Management System hardware and software for lithium-ion battery packs, collaborating with cross-functional teams to ensure reliable operation and performance.
ConstructionIndustrialManufacturing
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
Qualification
Required
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
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)
Preferred
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
Benefits
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.
Company
Komatsu
Komatsu is a manufacturing company that specializes in the development of equipment for the construction industry.
10001+ employees
H1B Sponsorship
Komatsu has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (1)
2023 (7)
2022 (3)
2021 (2)
2020 (2)
Funding
Current Stage
Late StageLeadership Team
Hayden Akers
Partner Integration Manager
Masatoshi Ueno
Managing Director, office of CTO@Silicon Valley
Recent News
2024-11-07
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