Design Engineer – Chassis Structure & Powertrain Packaging
Position: Design Engineer – Chassis Structure & Powertrain Packaging
Experience: 5–8 years in frame / welded structure design, with EV battery enclosure or powertrain mounting exposure
Qualification: B.E./B.Tech Mechanical or Automobile Engineering
About the role
Design the welded aluminium chassis frame, swappable battery enclosure and powertrain mounting of a four-wheel electric cargo vehicle.
Key responsibilities
- Design a welded 6061-T6 aluminium chassis frame and its members, including steering support and cross members.
- Define the fabrication scheme: tube and extrusion sections, joint design, weld symbols and heat-affected-zone allowance.
- Design suspension mounts as machined castings and a family of mounting brackets for bought-out components.
- Design a swappable battery housing for multiple 48 V Li-ion packs, with slide/removal mechanism, locking, drainage, venting and service access.
- Define cooling-fan provision with CAE; design fan mounting and airflow path.
- Design vibration-isolated mounts for the traction motor, pedal generator, on-board charger, BMS and DC-DC converter; package pedals and cranks.
- Develop a battery handling trolley concept.
- Produce weldment, casting and assembly drawings; support weld-fixture concepts with manufacturing.
Skills and tools
- Aluminium weldment design (AWS D1.2 or equivalent); extrusion and tube selection; casting design for machining; battery enclosure sealing and IP rating; mechanism design; GD&T.
- CATIA V5 or SolidWorks weldments.
- Preferred: awareness of traction-battery safety standards; EV battery enclosure experience.
About Marutee
Marutee Design & Engineering Pvt. Ltd. is a 200+ engineer firm headquartered in Bengaluru, with offices in Royal Oak, Michigan and Singapore, delivering mechanical design, CAE, electrical/harness and manufacturing engineering services.