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Principle Battery Engineer – BMS
Greenville, NC

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We are in need of a strong Technical Engineer with significant battery management system (BMS) experience including battery requirements and functionality for new product design.      This is not a battery cell design role.

 The Principal Battery Engineer will be responsible for leading all aspects of the design and development of battery platforms. Ensuring the battery platforms meet the battery module and rack requirements for various applications such as UPS or energy storage applications. This engineer will also be responsible for driving all battery platform development activities. This will require to interface with mechanical design, thermal design, electrical design, harness design, and battery management system (BMS) FW/SW development.

* MUST reside in the USA. 


  • Translate application requirements into battery platform requirements, including electrical, mechanical, thermal, environmental, reliability, and cost requirements
  • Review battery supplier specifications (e.g., battery cells and modules) 
  • Technically lead the design and development of state-of-the-art battery platforms by working with mechanical, electrical, FW/SW, and testing engineers
  • Develop test plans and procedures, identify hardware needs, and design test set-ups for battery platform validation
  • Perform battery cell and module testing for characterization
  • Develop battery models for performance and lifetime
  • Lead battery platform FMEA activities
  • Perform battery technology scouting and industry trend study
  • Support business divisions for successful adoption of battery platforms for the end products
  • Support business divisions and supply chain management in supplier management and development.

Preferred Qualifications:

  • Master’s or Ph.D. in engineering or science.
  • 5+ years of experience with Lithium batteries (e.g., Lithium-Ion, LiFePO4).
  • Understanding of different types of battery technology, their performance, and characteristics
  • Experience in developing specifications and requirements for battery modules and packs/racks
  • Experience in developing battery modules and packs/racks by working with mechanical, thermal, electrical, FW/SW, and testing engineers.
  • Direct experience testing lithium battery cells, modules, and packs/racks.
  • Understanding of battery management system (BMS) requirements and functionality.
  • Experience with safety, compliance, and regulatory standards (UL1642, UL1973, UL9540, etc.)
  • Customer-focused with good relationship building and communication skills.
  • Strong written communication and verbal communication skills.
  • Battery product development experience, including cell qualification and UL certification.
  • Experience in project planning and tracking.
  • Experience working in diverse cultural situations with global customers and team members.
  • Design for Six Sigma certification.
  • Bilingual in English/Korean or English/Chinese. 
  • Ability to travel 15-25% domestic and International . 
– No Sponsorship.  Candidate must be Green card holder or US Citizen

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