Network Security

2 days ago


Chennai Tamil Nadu, India Larsen & Toubro Full time

Network Security & Compliance

LNT/NS-C/1350399

TI-Transportation Infrastructure ICChennai Head Qrs.
- Posted On
- 07 May 2025
- End Date
- 03 Nov 2025
- Required Experience
- 2 - 6 Years

**Skills**:
Knowledge & Posting Location

INFORMATION TECHNOLOGY

CYBER SECURITY

NETWORK SECURITY

Minimum Qualification

BACHELOR OF COMPUTER SCIENCE (BCS)

BACHELOR OF INFORMATION TECHNOLOGY (BIT)

**Job Description**:

- Configure, deploy, and maintain FortiGate firewalls across site-level networks.
- Monitor and manage network setting, firewall policies, NAT rules, and VPN tunnels (IPSec).
- Perform regular updates, firmware upgrades, and system health checks on Fortinet devices.
- Investigate and respond to security incidents and network anomalies in coordination with the SOC team.
- Analyse traffic logs and event data to detect and mitigate potential threats.
- Collaborate with Site IT to ensure secure and optimized routing and switching configurations.
- Maintain Forti Manager for centralized management and reporting.
- Prepare documentation, network diagrams.
- Provide technical support and training to site ISD or IT staff as needed.
- Provide support for other firewalls like Palo Alto and Cisco Meraki.
- Hands-on experience with Fortinet products (FortiGate, FortiManager).
- Strong understanding of networking, firewall rules, VPNs and NAT.
- Familiarity with network protocols (TCP/IP, DNS, DHCP, etc.).
- Knowledge of routing and switching concepts (preferably Cisco or equivalent).
- Basic knowledge of SIEM tools and threat intelligence platforms is a plus.
- Experience in incident handling and troubleshooting.



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