BMS Controls Engineer II – Embedded Battery Tech

Inventus Power Illinois LLC; Woodridge (IL); On-site; USD 95,000 - 130,000; Full time

Job summary

Inventus Power is seeking a Controls Software Engineer II to contribute to the Battery Management System software for xEV and battery applications. You will define requirements, implement controls algorithms, calibrate, and validate software with cross-functional teams across hardware, systems, and validation.

You will work on SOC, SOH, SOP, charging control, diagnostics, balancing, and safety features, ensuring reliable integration with customer equipment and EV platforms.

Qualifications

• Bachelor’s degree in a related engineering discipline.
• 2-5 years of embedded/software controls experience.
• Proficiency in C/C++ for embedded systems.
• Experience with software design, implementation, debugging, and testing.
• Understanding of battery management systems and Li-ion batteries.
• Familiarity with model-based design and controls development methodologies.
• Experience with software verification and validation activities.
• Strong analytical, troubleshooting, and problem-solving skills.
• Excellent communication and cross-functional collaboration skills.

Responsibilities

• Participate in requirements definition, software design, implementation, and testing for BMS software and controls functions.
• Develop, implement, and maintain battery control algorithms including SOC, SOH, SOP, charging control, diagnostics, balancing, and safety functions.
• Support calibration, tuning, and optimization of battery algorithms for performance, reliability, and safety.
• Collaborate with systems, hardware, and validation engineers to integrate BMS software into battery products and customer applications.
• Support integration and validation with customer equipment, industrial machines, government applications, and EV platforms.
• Develop and execute software verification and validation plans including unit, integration, HIL, vehicle, and system testing.
• Analyze test data and system performance to identify issues and improve controls algorithms.
• Perform software debugging, root-cause analysis, and corrective action implementation.
• Support customer issue investigations and provide technical assistance for BMS software performance.
• Create and maintain software requirements, design documents, test procedures, validation reports, and release documentation.
• Participate in design reviews, code reviews, and technical discussions to ensure compliance with requirements.

Skills

Embedded C/C++

BMS software

Software testing

Controls engineering

Cross-functional collaboration

Analytical problem-solving

Education

Bachelor's degree in Electrical/Computer/Software/Controls Engineering or related discipline

Tools

MATLAB/Simulink

CAN/CANOpen/J1939

HIL/SIL testing

Job description

Inventus Power is seeking a Controls Software Engineer II to contribute to the Battery Management System software for xEV and battery applications. You will define requirements, implement controls algorithms, calibrate, and validate software with cross-functional teams across hardware, systems, and validation.

You will work on SOC, SOH, SOP, charging control, diagnostics, balancing, and safety features, ensuring reliable integration with customer equipment and EV platforms.