Thermax

ESG / Sustainability Intern

InternshipHybridMalappuram, Kerala4 months29K/mo1 openingImmediate / Rolling

About this internship

Join Thermax in Malappuram as an ESG / Sustainability Intern. This entry-level internship is designed for students and recent graduates who learn best by building, shipping and getting real feedback on ESG and corporate sustainability work. About the role As an ESG / Sustainability Intern at…

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Skills you'll use

Carbon Accounting (GHG Protocol)BRSR ReportingEnvironmental Impact AssessmentESG Frameworks (GRI / SASB)Sustainability Data CollectionAdvanced ExcelStakeholder Materiality AssessmentEnergy Audit BasicsRegulatory ResearchReport Writing

What you'll do

Work on measuring emissions and preparing the disclosures regulators now require alongside the core team
Apply Carbon Accounting (GHG Protocol), BRSR Reporting, Environmental Impact Assessment, ESG Frameworks (GRI / SASB) 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 (Environmental / Chemical), B.Sc/M.Sc (Environmental Science), BBA/MBA or B.A. (Economics) — 2026 freshers & final-year students welcome
Working knowledge of Carbon Accounting (GHG Protocol), BRSR Reporting, Environmental Impact Assessment (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 Malappuram, Kerala

Perks & benefits

Flexible working hoursNetworking with senior professionalsInternship CertificateLetter of RecommendationMentorship from a named mentor

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Practical assignment or case study with a short walkthrough
3HR discussion — stipend, start date, expectations and offer

About Thermax

Thermax operates in the energy & environment engineering sector and has an active presence in Malappuram. 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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