Network Security Engineer

Tata Consultancy Services; Kolkata District; On-site; INR 1,800,000 - 3,200,000; Full time

Job summary

Tata Consultancy Services is seeking a Network Security professional with 10+ years of enterprise networking experience. The role focuses on Fortinet FortiManager/FortiAnalyzer, OSI model knowledge, and VPN support, including Cisco ASA configurations. The interview is virtual and venue is Kolkata.

Candidates should have Linux/Unix CLI skills and strong troubleshooting abilities. This position is based in Kolkata, India, with contact through Talent Acquisition Group.

Qualifications

• 10 years of enterprise networking experience required.
• Experience with Checkpoint R77 virtual firewalls.
• Fortinet FortiManager and FortiAnalyzer experience required.
• Linux/Unix command line knowledge.
• Experience with Cisco ASA Site-to-Site and Client-to-Site VPN.
• Network troubleshooting and OSI model understanding.
• Infoblox management experience preferred

Skills

Network Security

Fortinet FortiManager

FortiAnalyzer

OSI Model

VPN

Linux/Unix CLI

Cisco ASA VPN

Infoblox

Troubleshooting

Tools

FortiManager

FortiAnalyzer

Job description

Job Position : Network Security

Exp-Range-10-15 Years

Required Tech stack : Network Security, OSI MODEL, Forti Manager, Forti Analyzer

Interview Date : 25-Jul 2026 (Saturday)

Interview mode :Virtual

Venue : Kolkata

Must Have:

• 10 years of experience in a large enterprise environment - Required o Checkpoint R77 virtual firewalls;
• Smart Domain Manager - Optional o Fortinet 5.6 virtual firewalls;
• Forti Manager, Forti Analyzer - Required o Linux/Unix command line knowledge
• Preferred o Network troubleshooting (L2/L3) o Packet capturing o OSI model understanding (L1-L4) Required o Cisco ASA Site to Site and Client to Site VPN
• – Required o Infoblox management – Preferred
• Good-to-Have o OSI model understanding (L1-L4) – Required o Infoblox management

Thanks & Regards

RITESH RAVI Human Resources

Talent Acquisition Group

Tata Consultancy Services

Company website : https://www.tcs.com