Network Admin

Tata Consultancy Services; Chennai District; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Tata Consultancy Services in Chennai is seeking an experienced Network Admin to manage enterprise networks, spanning routing, switching, SD-WAN, and wireless, with a focus on reliability and performance.

The role requires 6–11 years of hands-on experience with Cisco technologies (SD-WAN, DNAC, LAN/WAN) and datacenter networking, along with strong troubleshooting and cross-functional collaboration in a fast-paced environment. Interview date is 21-Aug-26; mode Virtual; venue Chennai.

Qualifications

• 6+ years of hands-on experience in Enterprise Networking across Routing, Switching, SDWAN, Wireless and Advanced Network technologies.
• Strong expertise in Routing and Switching with solid troubleshooting capability.
• Practical experience with Cisco SDWAN (Viptela) and end-to-end SDWAN fabric troubleshooting.
• Good understanding of Wireless Networking (Cisco & Aruba) and wireless performance troubleshooting.
• Hands-on experience with Cisco Catalyst Center (DNAC) for ZTP and SWIM tasks.
• Strong ability to prioritize tasks, manage multiple workstreams in a fast-paced, deadline-driven environment, and proactively identify and mitigate risks.
• Proven analytical and troubleshooting skills across multilayer network issues with effective communication and collaboration across cross-functional teams.

Skills

Routing & Switching

SD-WAN

Wireless Networking

Cisco DNAC

DC/Datacenter Networking

Troubleshooting

LAN/WAN

Cross-functional Collaboration

Project Prioritization

Tools

Cisco DNAC

Datacenter Networking

Job description

Job Position : Network Admin

Exp-Range-6-11Years

Required Tech stack :Network Admin, Cisco, LAN,WAN, Routing ,,Datacenter, SDWAN ,

Interview Date :21-Aug-26

Interview mode :Virtual

Venue : Chennai

Must Have :

• 6+ years of handson experience in Enterprise Networking across Routing, Switching, SDWAN, Wireless and Advanced Network technologies
• Strong expertise in Routing and Switching with solid troubleshooting capability.
• Practical experience with Cisco SDWAN (Viptela) and endtoend SDWAN fabric troubleshooting.
• Good understanding of Wireless Networking (Cisco & Aruba) and wireless performance troubleshooting.
• Handson experience with Cisco Catalyst Center (DNAC) for the tasks such as ZTP and SWIM.
• Strong ability to prioritize tasks, manage multiple workstreams in a fastpaced, deadlinedriven environment, and proactively identify and mitigate risks.
• Proven analytical and troubleshooting skills across multilayer network issues with effective communication and collaboration across crossfunctional teams.