FINN

Battery Management System (BMS) Engineer Intern

InternshipIn OfficeRewari, Haryana3 months21K/mo3 openingsImmediate / Rolling

About this internship

Start your career in battery systems and electric vehicles with FINN as a Battery Management System (BMS) Engineer Intern in Rewari. You will sit with a working team, use the same tools and systems they do, and own a defined piece of work from day one. About the role As a Battery Management System…

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Skills you'll use

Battery ChemistryCell Balancing ProtocolsCAN Bus CommunicationMATLAB / SimulinkState of Charge (SoC) EstimationEmbedded CThermal ManagementBattery Testing & CyclingFunctional Safety BasicsData Logging & Analysis

What you'll do

Work on developing and validating battery management logic on real packs alongside the core team
Apply Battery Chemistry, Cell Balancing Protocols, CAN Bus Communication, MATLAB / Simulink to live, production-facing problems
Document your work clearly for reviewers and stakeholders
Participate in reviews and act on the feedback you receive
Collaborate across engineering, product, design or business as required
Follow the team's quality, testing and documentation standards

Who can apply

Pursuing or recently completed B.E./B.Tech (Electrical / Electronics / Mechanical / Mechatronics) or M.Tech — 2026 freshers & final-year students welcome
Working knowledge of Battery Chemistry, Cell Balancing Protocols, CAN Bus Communication (or a genuine willingness to learn them)
Strong fundamentals in your discipline and clear problem-solving ability
Care with detail and the discipline to document your work
Clear written and verbal communication in English
Based in or willing to work from Rewari, Haryana

Perks & benefits

Letter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunity

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Discussion with the hiring manager on the role and your fit
3HR discussion — stipend, start date, expectations and offer

About FINN

FINN operates in the car subscription & mobility sector and has an active presence in Rewari. Interns here are put on real work from the start, because the team's view is that the fastest way to learn a craft is to practise it under people who already do it well — not to watch it from a…

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