HFCL Limited

Machine Learning Intern (Manufacturing & Quality)

InternshipIn OfficeKolkata, West Bengal3 months19K/mo5 openingsImmediate / Rolling

About this internship

HFCL Limited is hiring a Machine Learning Intern (Manufacturing & Quality) in Kolkata — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to machine learning on the shop floor rather than a certificate-only programme. About the role As a Machine Learning…

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Skills you'll use

PythonTime-Series & Sensor DataAnomaly DetectionPredictive MaintenanceScikit-LearnStatistical Process ControlFeature EngineeringData VisualisationMES / SCADA DataDomain Collaboration

What you'll do

Work on predicting defects and downtime from production and sensor data alongside the core team
Apply Python, Time-Series & Sensor Data, Anomaly Detection, Predictive Maintenance 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 (Mechanical / Electrical / Production / CSE), M.Tech or M.Sc
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 Python, Time-Series & Sensor Data, Anomaly Detection (or a genuine willingness to learn them)
Exposure to Predictive Maintenance, Scikit-Learn, Statistical Process Control 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 Kolkata, West Bengal or willing to work from there for the internship period

Perks & benefits

Internship CertificateLetter of RecommendationMentorship from a named mentorLive project experienceExposure to professional tools and workflows

Interview & selection process

2 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Technical interview on fundamentals and your projects

About HFCL Limited

HFCL Limited operates in the telecom & optical fibre sector and has an active presence in Kolkata. 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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