[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Tata Consultancy Services jobs](https://jobs.opennash.com/companies/tata-consultancy-services/) · [Search jobs](/search/) Tata Consultancy Services · Kolkata # Network Routing & switching Kolkata IT & Infrastructure Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since. [Apply on Tata Consultancy Services’s careers site →](https://ibegin.tcsapps.com/candidate/next/en-IN/jobs/425521J) [OpenNash Jobs](https://jobs.opennash.com/) / [Tata Consultancy Services](https://jobs.opennash.com/companies/tata-consultancy-services/) / Network Routing & switching ## Job description TCS has been a great pioneer in feeding the fire of young techies like you. We are a global leader in the technology arena and there’s nothing that can stop us from growing together. ### What we are looking for Role Network Routing & switching Experience Range: 5 to 10 years Location: Kolkata Keywords: C isco SDWAN, BGP, OSPF, AAR, ZTP, VLANs, Spanning Tree, DNS, DHCP, Wireless WLC, Access Points Deployment Must Have:. Strong Understanding of TCP/IP stack, IPV4/IPV6 subnetting & addressing. 2. Deep Knowledge of VLANs, Trunking, STP, RSTP, Inter-VLAN routing. 3. Hands on experience with routing protocols – OSPF, BGP, EIGRP and static. 4. Strong Knowledge on router redistribution & policy control. ### Good Have 5. In depth knowledge of Layer 2 vs Later 3 switching, Port security, storm control. 6. Experience with vendors like Cisco, Juniper, Arista, HPE. 7. Strong Working knowledge of SD-WAN architecture & overlays, Control and Data plane separation. 8. Experience with platforms such as Cisco SDWAN, Velocloud or Fortinet. 9. Deep understanding of ZTP, AAR, Policy based traffic shaping, IPSec Tunnels & encryption