Design Engineer - Chassis Structure & Powertrain Packaging

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

1. Design a welded 6061-T6 aluminium chassis frame and its members, including steering support and cross members.
2. Define the fabrication scheme: tube and extrusion sections, joint design, weld symbols and heat-affected-zone allowance.
3. Design suspension mounts as machined castings and a family of mounting brackets for bought-out components.
4. Design a swappable battery housing for multiple 48 V Li-ion packs, with slide/removal mechanism, locking, drainage, venting and service access.
5. Define cooling-fan provision with CAE; design fan mounting and airflow path.
6. Design vibration-isolated mounts for the traction motor, pedal generator, on-board charger, BMS and DC-DC converter; package pedals and cranks.
7. Develop a battery handling trolley concept.
8. Produce weldment, casting and assembly drawings; support weld-fixture concepts with manufacturing.

Skills and tools

1. Aluminium weldment design (AWS D1.2 or equivalent); extrusion and tube selection; casting design for machining; battery enclosure sealing and IP rating; mechanism design; GDT.
2. CATIA V5 or SolidWorks weldments.
3. 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.

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