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
- 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.

📌 MAR_126 - Design Engineer – Chassis Structure & Powertrain Packaging (Bengaluru)
🏢 Marutee
📍 Bengaluru