BMS Application Engineer, HV EV Battery Systems

HappyGlobal Service; Manteno (IL); On-site; USD 90,000 - 128,000; Full time

Job summary

HappyGlobal Service seeks a BMS Application Engineer to deliver high-voltage battery systems for EVs. You will work within a Tier 1 supplier environment, focusing on electrical architecture, BMS integration, and validation.

The role requires 3–5 years in battery/EV, HV experience (400–1000V), CAN/LIN knowledge, and travel up to 15% to suppliers or OEM sites. English proficiency is essential.

Qualifications

• Degree in Electrical Engineering, Mechatronics, or Mechanical.
• 3–5 years in battery or EV industry, preferably BMS hardware/software.
• Exposure to high-voltage systems (400–1000V) and automotive protocols.

Responsibilities

• Design and develop electrical architecture of HV battery systems (BMS, CMU).
• Translate customer/system requirements into feasible design and software solutions.
• Collaborate with BMS HW/SW, FuSa, Systems, Testing for full integration.

Skills

BMS hardware

CAN communication

System integration

Cross-functional teamwork

English communication

Education

Bachelor’s or Master’s degree in Electrical Engineering/Mechatronics/Mechanical

Tools

CAN

LIN

Job description

HappyGlobal Service seeks a BMS Application Engineer to deliver high-voltage battery systems for EVs. You will work within a Tier 1 supplier environment, focusing on electrical architecture, BMS integration, and validation.

The role requires 3–5 years in battery/EV, HV experience (400–1000V), CAN/LIN knowledge, and travel up to 15% to suppliers or OEM sites. English proficiency is essential.