Cloudnine

Penetration Testing Intern

InternshipHybridMumbai, Maharashtra6 months27K/mo15 openingsImmediate / Rolling

About this internship

Cloudnine is hiring a Penetration Testing Intern in Mumbai — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to ethical hacking and penetration testing rather than a certificate-only programme. About the role As a Penetration Testing Intern at…

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Skills you'll use

Ethical HackingKali LinuxBurp SuiteNmap & MetasploitWeb App TestingNetwork ScanningOWASP Top 10Python ScriptingReport WritingResponsible Disclosure

What you'll do

Work on testing systems you are authorised to test, and writing the report that makes the risk understandable to a non-engineer alongside the core team
Apply Ethical Hacking, Kali Linux, Burp Suite, Nmap & Metasploit 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 (CSE/IT/ECE), BCA/MCA or B.Sc (Computer Science / IT)
Graduating batch 2025, 2026 or 2027 — final-year students and recent graduates welcome
60% / 6.0 CGPA and above preferred; strong project work is considered alongside academics
Working knowledge of Ethical Hacking, Kali Linux, Burp Suite (or a genuine willingness to learn them)
Exposure to Nmap & Metasploit, Web App Testing, Network Scanning 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 Mumbai, Maharashtra 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

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 Cloudnine

Cloudnine operates in the hospitals & healthcare sector and has an active presence in Mumbai. 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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