Cognizant

Penetration Testing Intern

InternshipWork from HomeKolkata, West Bengal6 months28K/mo4 openingsImmediate / Rolling

About this internship

Cognizant has an open Penetration Testing Intern position in Kolkata for motivated freshers and final-year students. You will work on live offensive security projects and finish with something you can genuinely talk about in interviews. About the role As a Penetration Testing Intern at Cognizant…

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Skills you'll use

Ethical HackingBurp SuiteKali LinuxWeb Application SecurityMetasploitNmapOWASP Top 10PythonNetwork ScanningReport Writing

What you'll do

Work on testing applications and networks for exploitable weaknesses alongside the core team
Apply Ethical Hacking, Burp Suite, Kali Linux, Web Application Security 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/BCA/MCA/B.Sc (CS, IT) — 2026 freshers & final-year students welcome
Working knowledge of Ethical Hacking, Burp Suite, Kali Linux (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 Kolkata, West Bengal

Perks & benefits

Live project experienceExposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionals

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Online aptitude / domain assessment
3Technical interview on fundamentals and your projects
4HR discussion — stipend, start date, expectations and offer

About Cognizant

Cognizant operates in the it services & consulting 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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