Flex

Environmental Engineering Intern

InternshipIn OfficeThane, Maharashtra4 months14K/mo6 openingsImmediate / Rolling

About this internship

Start your career in environmental engineering with Flex as an Environmental Engineering Intern in Thane. 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 an Environmental Engineering Intern at Flex, your core…

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Skills you'll use

Environmental EngineeringWater & Wastewater TreatmentAir Quality MonitoringEIA BasicsCPCB NormsLab TestingWaste ManagementMS ExcelSampling MethodsTechnical Documentation

What you'll do

Work on effluent, emissions and compliance — the engineering a plant needs to keep its consent to operate alongside the core team
Apply Environmental Engineering, Water & Wastewater Treatment, Air Quality Monitoring, EIA Basics 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 (Civil / Structural / Environmental Engineering), Diploma in Civil or B.Arch
Graduating batch 2026, 2027 or 2028 — final-year students and recent graduates welcome
60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
Working knowledge of Environmental Engineering, Water & Wastewater Treatment, Air Quality Monitoring (or a genuine willingness to learn them)
Exposure to EIA Basics, CPCB Norms, Lab Testing is an advantage
Clear written and verbal communication in English, and care with detail in your work
No prior work experience required — this is a fresher-friendly internship
Based in Thane, Maharashtra or willing to work from there for the internship period

Perks & benefits

Pre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsInternship CertificateLetter of RecommendationStructured onboarding and a formal mentor at a large, established employer

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 Flex

Flex operates in the electronics manufacturing sector and has an active presence in Thane. 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 distance. The…

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