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About the internship

This internship is centered on the design and development of battery packs for electric mobility applications. The role involves building multi-module concepts, supporting production ramp-up, coordinating with internal teams, and contributing to certification and thermal design work.

Key responsibilities

Create and refine battery pack designs for the product.
Develop multi-modular concepts suited for the application.
Work closely with design-development, manufacturing, and supply chain teams.
Support the manufacturing and process team during scale-up of battery pack production.
Coordinate with certification and testing agencies such as ICAT and ARAI.
Handle cell tab joining methods including bolting, laser welding, spot welding, and wire bonding.
Calculate busbar thickness and contribute to busbar design.
Perform thermal analysis as part of the battery pack development process.

Who can apply

This opportunity is open only to candidates who can commit to a full-time, in-office internship, can begin between 22nd Jun'26 and 12th Aug'26, are available for 6 months, and have relevant skills and interest. Mechanical Engineering students are specifically eligible.

Requirements

Practical experience with design tools such as SolidWorks, NX, and Catia V5.
Working knowledge of battery cell chemistries such as NMC, NCA, and LFP.
Strong understanding of thermodynamics.
Ability to support structural and thermal management design for HV battery packs and auxiliary systems.
Awareness of passive and active cooling approaches.
Good communication and presentation abilities.
Sound technical decision-making skills.

Additional information

The company is focused on sustainable, technology-led electric mobility solutions for Indian and export markets, including electric vans and trucks. It is currently expanding through product development, partnerships, and operational scaling.

Internship details

Stipend: INR 15,000 to 20,000 per month. Duration: 6 months. Start: Immediately. Deadline: 2026-08-06 23:59:59. Openings: 2.

Perks

Certificate
Letter of recommendation
Informal dress code

Other requirements

Candidates should be comfortable with hands-on battery pack design work and cross-functional coordination in a fast-moving development environment.

Company overview

Gray Mobility is developing innovative and sustainable electric mobility solutions, with a strong focus on advanced technology, product creation, strategic partnerships, and regional expansion.

Battery Design and Development Intern