Network Routing & Switching

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

Job summary

TCS is seeking a seasoned network engineer in Pune to design, implement and troubleshoot complex data center networks. You will work with Nexus platforms, BGP routing, and advanced switching, including port-channel setups and VLAN configurations, while also handling IOS upgrades across devices.

The role requires hands-on data center experience, strong knowledge of OSPF and BGP, and familiarity with F5 load balancers for traffic management and high availability.

Qualifications

• Must possess hands-on experience with Cisco Nexus devices and data center environments.
• Rich hands-on experience in BGP routing concepts.
• Strong knowledge of switching concepts and port-channel configurations.
• Experience in IOS upgrades across Nexus devices and switches.
• Working knowledge of VLAN configuration and related L2/L3 concepts.
• Familiarity with OSPF routing and related protocol behavior.
• Experience with F5 Load Balancer configuration and management.

Responsibilities

• Knowledge and hands on experience (Configuring and Troubleshooting) in Cisco Nexus devices and its concepts.
• Hands on experience in Data Center environment.
• Rich hands on experience in BGP routing concepts.
• Switching Concepts and should have worked on multiple device IOS upgrades.
• Strong knowledge in VLAN and other switching concepts.
• Nexus Platform - VPC, VDC, VPC Peering, FEX, Fabric Path, VSS, VLAN and VXlan, features like fcoe.
• BGP Protocol - understanding of path selection, route reflectors, AS numbers, CEF.
• OSPF Protocol - process/state, redistribution, LSA, and related concepts.
• F5 Load Balancer - Load Balancing, VIPs, nodes and pools, SSL profiles.

Skills

Nexus Platform

BGP Protocol

Switching & Port Channel

IOS Upgrade

VLANs

OSP F Protocol

F5 Load Balancer

Job description

TCS is Hiring for Network Routing & Switching

Mode Of Interview:- Virtual

Date Of Interview:- 20-08-2026

location:-Pune

Exp:- 8-12Yr

JD

Must-Have**

• Nexus Platform, BGP Protocol, Switching & Port Channel, IOS Upgrade, VLAN’s, OSPF Protocol, F5-Load Balancer,

Good-to-Have

SN Responsibility of / Expectations from the Role

• 1 1. Knowledge and hands on experience (Configuring and Troubleshooting) in Cisco Nexus devices and its concepts 2. Hands on experience in Data Center environment 3.Rich hands on experience in BGP routing concepts 4.Switching Concepts 5.Should have worked on Multiple device IOS upgrades 6.Should have strong knowledge in VLAN and other switching concepts
• 2 Nexus Platform - VPC, VDC, VPC Peering, FEX, Fabric Path, VSS, VLAN and Vxlan, feature fcoe, VTP Domain, Access List, Vlan (L2, L3), Spanning-tree, VRF Context, Route-map
• 3 BGP Protocol - What is BGP? Port Number, Can I run two BGP process on single router, What is a poison reverse, Can I use BGP instead of any IGP, BGP path selection criteria, route reflector, BGP community attribute, recursive lookup in BGP, load balancing, autonomous system (AS) number, What is synchronization, and how does it influence BGP routes installed in the IP routing table, difference between RD and RT, RD travels in route update, CEF
• 4 Switching & Port-Channel – Suspended state, STP, RSTP, RSTP converges faster than STP, STP Port Roles, STP Blocking State, BPDU, STP Path Cost Value, TCN in RSTP, Port Roles in RSTP, HSRP Load balancing, HSRP Vlan redundancy
• 5 IOS Upgrade – (3650, Nexus Platform, 9300, 4500), 3650 Bundle Mode/Install Mode, Copying the IOS, Installing the IOS, Boot Statement verification, Software expanding, Nexus install command, Nexus non-disruptive.
• 6 VLAN’s – Native Vlan, Two subnet single VLAN, L2 & L3 Vlan Configuration, VTP, Revision number change on the switch
• 7 OSPF Protocol - OSPF Process & State, Summarization, Route Distribution, OSPF Cost, Type-1 (E1) & Type-2 (E2) in redistribution, OSPF Virtual link, LSA, Database Table
• 8 F5- Load Balancer - Load Balancing, LTM, GTM, VIP’s, Nodes and Pools, Method of Load Balancing, SSL Certificate, Profiles, Monitors, i Rules