Thermax

Cyber Security Intern

InternshipIn OfficeMumbai, Maharashtra4 months28K/mo2 openingsImmediate / Rolling

About this internship

Join Thermax in Mumbai as a Cyber Security Intern. This entry-level internship is built for candidates early in their journey who are eager to turn classroom knowledge into hands-on cybersecurity experience on real, business-facing work. As a Cyber Security Intern, you will work closely with…

Skills you'll use

Network SecurityLinuxVulnerability AssessmentSIEMPythonEthical Hacking

What you'll do

running vulnerability assessments
monitoring security alerts
supporting incident response
documenting security findings
Collaborate with the team and document your work
Take ownership of assigned tasks and act on feedback

Who can apply

Pursuing or recently completed a relevant degree (stream depends on the role) — 2026 freshers & final-year students welcome
Foundational knowledge of Network Security, Linux, Vulnerability Assessment (or a strong willingness to learn them)
Good communication, problem-solving and a genuine eagerness to learn
Based in or willing to work from Mumbai
A portfolio, project or coursework you can show (a plus, not mandatory)

Perks & benefits

Internship CertificateLetter of RecommendationMentorship from experienced professionalsReal-world project experienceHands-on with industry tools

Interview & selection process

4 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Case study or take-home assignment with a short presentation
3Discussion with the hiring manager
4HR discussion — stipend, start date, expectations and offer

About Thermax

Thermax is a energy & engineering company with a strong, growing presence in Mumbai — one of India's biggest hubs for early-career opportunities. The team believes the best way to grow is by doing, which is why interns here are given real ownership from the start rather than being kept on the…

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