Thermax

Bioprocess Engineering Intern

InternshipIn OfficeSiliguri, West Bengal3 months22K/mo2 openingsImmediate / Rolling

About this internship

Start your career in bioprocess and fermentation engineering with Thermax as a Bioprocess Engineering Intern in Siliguri. 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 Bioprocess Engineering Intern at…

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Skills you'll use

Fermentation EngineeringDownstream ProcessingBioreactor Scale-UpSingle-Use SystemsChromatography & FiltrationProcess Parameter OptimisationAseptic ProcessingMass & Energy BalancesBatch Documentation (cGMP)Process Data Analysis

What you'll do

Work on running fermentation and downstream steps and scaling them up alongside the core team
Apply Fermentation Engineering, Downstream Processing, Bioreactor Scale-Up, Single-Use Systems 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.Tech/M.Tech (Biotechnology / Chemical / Biochemical Engineering) or M.Sc (Biotechnology) — 2026 freshers & final-year students welcome
Working knowledge of Fermentation Engineering, Downstream Processing, Bioreactor Scale-Up (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 Siliguri, West Bengal

Perks & benefits

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

Interview & selection process

2 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Practical assignment or case study with a short walkthrough

About Thermax

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