Battery Cell Mechanical Design Engineer

VINFAST is a pioneering electric vehicle (EV) company committed to revolutionizing the automotive industry with sustainable and innovative mobility solutions. As a leading player in the EV market, VinFast is dedicated to delivering high-quality, cutting-edge electric vehicles that redefine the driving experience. Our team consists of passionate professionals driven by a shared vision of creating a greener and more sustainable future through innovation, technology, and excellence.
In this role, you will be instrumental in the Battery Cell Institute, using your extensive skills to process and analyze large volumes of data. You will collaborate with diverse teams, including Engineering, Quality Control and VINFAST suppliers, to create cutting-edge solutions that will drive the future of transportation.
Design and develop mechanical components of battery cells (e.g., Can, Top Cap, Current Collector, tabs, sealing system)
Create and refine 3D CAD models and 2D drawings, including GD&T definition and tolerance stack-up analysis
Optimize design for: Structural integrity, Thermal performance, Vibration and impact resistance
Select suitable materials (e.g., aluminum, copper, stainless steel, polymers) based on performance, cost, and manufacturability
Design sealing systems, insulation structures, and tab/collector interfaces
Ensure compatibility with electrochemical and thermal requirements
Perform engineering analysis including: Tolerance stack-up, Thermal expansion, Mechanical stress (FEA)
Follow validation testing plans: Crush, drop, vibration, thermal cycling
Conduct root cause analysis for issues such as deformation, leakage, and welding defects
Work closely with suppliers to: Review designs (DFM/DFA), Support tooling development and sample builds (Prototype / Mass) , Resolve design, quality, and manufacturability issues
Ensure designs are suitable for high-volume production
Incorporate feedback from manufacturing and suppliers to optimize design
Collaborate with: Electrochemistry team to optimize cell performance, Simualation teams to ensure integrated design, Manufacturing team to improve production efficiency
Support integration of cells into modules and battery packs
Generate technical drawings, specifications, and design documentation
Manage BOM, ECN/ECO, and PLM system updates
Ensure compliance with industry standards (e.g., UL, IEC, ISO)
Prepare reports, project documentation, and progress updates for stakeholders
Requirements
Bachelor's degree in Mechanical Engineering, Mechatronics, Materials Science, or related field
2-5+ years of experience in mechanical design
Proficiency in CAD tools: NX / CATIA / SolidWorks / Creo (NX preferred)
Strong knowledge of
Sheet metal, stamping, machining processes
GD&T and tolerance analysis
Mechanical stress, fatigue, and thermal expansion
Experience working with suppliers and manufacturing environments
Hands-on experience in sealing and welding processes (e.g., laser welding)
Familiar with PLM systems (Teamcenter, Windchill, etc.)
Good English communication skills in a global environment
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