Clean Science and Technology

Bioprocess Engineering Intern

InternshipIn OfficeHowrah, West Bengal3 months26K/mo2 openingsImmediate / Rolling

About this internship

Join Clean Science and Technology in Howrah as a Bioprocess Engineering Intern. This entry-level internship is designed for students and recent graduates who learn best by building, shipping and getting real feedback on bioprocess and fermentation engineering work. About the role As a Bioprocess…

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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 Howrah, West Bengal

Perks & benefits

Mentorship from a named mentorLive project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hours

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Technical interview on fundamentals and your projects
3HR discussion — stipend, start date, expectations and offer

About Clean Science and Technology

Clean Science and Technology operates in the specialty chemicals sector and has an active presence in Howrah. 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…

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