TCS IS HIRING FOR Network Switching(LAN Technology)

Location- Chennai

Exp- 6-8 yrs

Skill- Network Switching(LAN Technology)

Responsibility

Wireless LAN Technologies

• Deep knowledge of 802.11 standards (a/b/g/n/ac/ax).
• Expertise in Wi-Fi design, coverage planning, and capacity management.
• Familiarity with RF fundamentals (signal strength, SNR, interference, channel planning).

Wireless Infrastructure

• Hands-on experience with enterprise-grade WLAN controllers (Cisco WLC, Aruba, Meraki, etc.).
• Configuration and management of Access Points (APs), SSIDs, VLANs, and roaming.

Cisco: CUCM, Unity, Expressway, CUBE, VG/ISR, RTMT, CAR.

• Microsoft: Teams Phone (Direct Routing/Operator Connect), SBC integration.

Maintain the client’s security and networking devices and upgrade when necessary

• Providing end-to-end support for other engineers on Palo Alto equipment/software
• Cross train in-house to share knowledge and share workload
• Responsible of global protect VPN and troubleshooting
• Responsible for vulnerability fix and patching
• Live packet capture and troubleshooting report

Provide documentation designed and installation rollouts

• Responsible for LAN/WAN installation including switches and routers
• Provide support to project managers on security/network deployments
• Suggest and detail design changes as and when needed
• Design, deploy, and maintain Cisco ACI (Application Centric Infrastructure) fabric.
• Configure APIC controllers, tenants, VRFs, bridge domains, and endpoint groups (EPGs).
• Implement contracts, filters, and policies for secure communication between EPGs.
• Integrate ACI with Layer 2/Layer 3 networks, firewalls, and external routing protocols (BGP, OSPF).
• Perform firmware upgrades, patches, and ensure compliance with security standards.
• Documentation for the customers installations and provide continue service advice
• Generate Monthly and Quarterly Firewall Audit and Network Capacity Management Reports
• Timely response on break fix and help in resolving all the incidents that pertain to Network Data and Security
• Perform Day to Day Operational work pertaining to Network Data and Security (Incidents, Service Requests, Change Requests)
• Plan and review all the Network Change Requests