HCLTech

Network Security Intern

InternshipHybridKolkata, West Bengal4 months22K/mo1 openingImmediate / Rolling

About this internship

HCLTech is hiring a Network Security Intern in Kolkata — a hands-on, mentor-led internship built for students and 2026 freshers who want real exposure to network security rather than a certificate-only programme. About the role As a Network Security Intern at HCLTech, your core focus will be…

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 Kolkata, West Bengal

Perks & benefits

Exposure to professional tools and workflowsPre-Placement Offer (PPO) opportunityFlexible working hoursNetworking with senior professionalsInternship Certificate

Interview & selection process

3 rounds — typical selection flow for this role:

1Application screening & resume shortlisting by the talent team
2Team-fit / behavioural interview with the team
3HR discussion — stipend, start date, expectations and offer

About HCLTech

HCLTech 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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