TCS Hiring!!!

Role & responsibilities

Manage and support Cisco Nexus Switches, Cisco Routers, Fortinet Firewalls, Fortinet Switches, and Fortinet Wireless LAN Controllers (WLC) / Access Points (APs) to ensure network availability and performance.

Perform configuration, deployment, maintenance, and troubleshooting of LAN, WAN, Wireless, and Security infrastructure.

Monitor network health, performance, bandwidth utilization, and availability using ManageEngine OpsManager Plus and proactively address issues.

Configure and maintain Fortinet Firewalls, including security policies, NAT, VPNs (Site-to-Site and SSL VPN), routing, and threat prevention features.

Administer Cisco Nexus switching environments, including VLANs, STP, VPC, trunking, routing protocols, and high-availability configurations.

Manage and support FortiManager and FortiAnalyzer,



including centralized policy management, device administration, configuration backups, log analysis, reporting, and compliance monitoring.

Administer and troubleshoot Fortinet Wireless Infrastructure (WLC/APs), including SSID management, wireless security, RF optimization, and client connectivity issues.

Perform firmware upgrades, patching, vulnerability remediation, configuration backups, and technology refresh activities across network and security infrastructure.

Provide L2/L3 support, conduct root cause analysis (RCA), resolve incidents and problems, and participate in change and release management activities.

📌 Network Security Administrator (Chennai)
🏢 Tata Consultancy Services
📍 Chennai