HV Battery Systems Engineer

LER TechForce; Madison Heights (MI); On-site; USD 95,000 - 135,000; Full time

Job summary

LER TechForce is seeking an experienced HV Battery Systems Engineer to develop system requirements for high voltage battery systems in hybrid and electric vehicles. You will design and implement BMS functions to ensure safety, reliability, and performance across development phases.

The role involves system modeling, verification, and cross-functional collaboration for prototype and production-intent battery systems, with documentation of specifications, test plans, and validation results to meet

Qualifications

• Bachelor’s or Master’s degree in Electrical or Mechanical Engineering.
• 3+ years of experience in HV Battery Systems, Battery Management Systems, or Electrified Powertrain development.
• Proven experience in battery systems development, integration, and validation, preferably in the automotive industry.

Responsibilities

• Develop and define system requirements for high voltage battery systems in hybrid and electric vehicles.
• Design and implement battery management functions to ensure safety, reliability, and performance.
• Conduct system performance analysis and modeling to optimize battery system operation.
• Support verification and validation activities for battery control strategies and system performance.
• Collaborate with cross-functional teams on system integration, testing, and troubleshooting of prototype and production-intent battery systems.
• Support all phases of development, including concept design, prototype testing, validation, and production readiness.
• Document technical specifications, test plans, and validation results to ensure compliance with industry standards.

Skills

HV Battery Systems

Battery Management Systems

Electrified Powertrain

System Modeling

Functional Safety

Education

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

Tools

MATLAB/Simulink

Embedded Coder

C/C++

Job description

• Develop and define system requirements for high voltage battery systems in hybrid and electric vehicles.
• Design and implement battery management functions to ensure safety, reliability, and performance.
• Conduct system performance analysis and modeling to optimize battery system operation.
• Support verification and validation activities for battery control strategies and system performance.
• Collaborate with cross-functional teams on system integration, testing, and troubleshooting of prototype and production-intent battery systems.
• Support all phases of development, including concept design, prototype testing, validation, and production readiness.
• Document technical specifications, test plans, and validation results to ensure compliance with industry standards.

What you'll need to be successful:

• US Citizen or Green Card holder required.
• Bachelor's or Master's degree in Electrical Engineering, Mechanical Engineering, or a related field.
• 3+ years of experience in HV Battery Systems, Battery Management Systems, or Electrified Powertrain development.
• Proven experience in battery systems development, integration, and validation, preferably in the automotive industry.
• Strong understanding of lithium-ion battery chemistry, battery management systems, control strategies, and battery pack architectures.
• Experience with system modeling, performance analysis, and testing of high voltage battery systems.
• Knowledge of industry standards and safety regulations related to high voltage systems.
• Ability to develop, manage, and trace system-level and functional-level requirements.
• Experience with battery system integration, performance evaluation, and vehicle-level interactions.
• Strong understanding of battery state estimation, including State of Charge (SOC), State of Health (SOH), and State of Power (SOP).
• Understanding of battery thermal management systems and associated control strategies.
• Experience with battery charging and discharging strategies, including DC fast charging and industry-standard charging protocols.
• Familiarity with automotive communication and diagnostic protocols, including CAN, CAN FD, and UDS.
• Experience in battery system testing, validation, and performance analysis.
• Proven ability to conduct and support MiL, HiL, battery pack-level, and vehicle-level validation activities.
• Skilled in battery data analysis, including correlating simulation models with test results.
• Familiarity with Functional Safety (ISO 26262), ASPICE, and systems engineering best practices.

Preferred:

• Experience with battery modeling, parameter identification, and battery simulation tools.
• Experience with BMS algorithm development, including SOC, SOH, and thermal management functions.
• Knowledge of HV safety requirements, battery testing standards, and regulatory compliance.
• Experience with cell, module, and pack validation activities.
• Knowledge of battery abuse testing, safety standards, and regulatory requirements.
• Proficient in development tools such as MATLAB/Simulink (required), Embedded Coder, and C/C++.