Mastercard

Network Security Intern

InternshipHybridThane, Maharashtra2 months34K/mo1 openingImmediate / Rolling

About this internship

Join Mastercard in Thane as a Network Security Intern. This entry-level internship is designed for students and recent graduates who learn best by building, shipping and getting real feedback on network security work. About the role As a Network Security Intern at Mastercard, your core focus will…

Skills you'll use

TCP/IP & RoutingFirewallsVPNWiresharkNetwork MonitoringLinuxCisco FundamentalsIDS / IPSTroubleshootingDocumentation

What you'll do

Work on hardening networks, reviewing firewall rules and monitoring traffic alongside the core team
Apply TCP/IP & Routing, Firewalls, VPN, Wireshark 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 TCP/IP & Routing, Firewalls, VPN (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 Thane, Maharashtra

Perks & benefits

Flexible working hoursNetworking with senior professionalsInternship CertificateLetter of RecommendationMentorship from a named mentor

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 Mastercard

Mastercard operates in the payments technology 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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