HV Battery Systems Engineer, BMS & Firmware

Neev; Banbury; On-site; GBP 65,000 - 90,000; Full time

Job summary

Neev Systems Engineer in our Powertrain Systems Engineering group will drive the Battery Management System (BMS) and firmware control for our active SAE Level 5 autonomous EV platform, coordinating with cross-functional teams to optimize BMS algorithms and hardware integration.

The role includes planning firmware releases, investigating faults, and implementing updates to extend operation in production fleets, with a strong emphasis on safety and reliability in high voltage systems.

Qualifications

• BS or MS in Electrical or Computer Engineering.
• 3–5+ years in BMS and EV HV battery systems with field issue resolution.
• Deep knowledge of SOC, SOH, cell balancing, and boundary management.
• Experience with CAN, LIN, FlexRay, Ethernet, SPI, I2C for BMS integration.
• Hands-on with MATLAB/Simulink, LTspice, Python, C/C++ for algorithm dev and analysis.
• Strong communication and collaborative skills in a fast-paced production environment.

Responsibilities

• Manage electrical architectures and control strategies for BMS.
• Resolve HV battery system-level challenges and wiring updates.
• Lead firmware release and hotfix planning with cross-functional teams.
• Validate firmware updates to extend vehicle operation and safety.
• Engage with external suppliers to optimize BMS hardware and designs.
• Maintain system integration docs, DFMEA, and FTA focused on BMS faults.
• Plan and execute BMS/HV battery testing, including HIL/SIL.
• Review subsystem updates and engineering changes with teams and partners.
• Analyze telemetry and logs to drive field issue resolution.

Skills

BMS control

Firmware development

Team collaboration

Education

B.S./M.S. Electrical Engineering

Electrical/Computer Engineering

Tools

MATLAB/Simulink

LTspice

Python

C/C++

CAN tools

Job description

Neev Systems Engineer in our Powertrain Systems Engineering group will drive the Battery Management System (BMS) and firmware control for our active SAE Level 5 autonomous EV platform, coordinating with cross-functional teams to optimize BMS algorithms and hardware integration.

The role includes planning firmware releases, investigating faults, and implementing updates to extend operation in production fleets, with a strong emphasis on safety and reliability in high voltage systems.