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Tata Consultancy Services · Chennai

Network - Routing & Switching

ChennaiIT & Infrastructure

Last seen on Tata Consultancy Services’s official careers site on August 1, 2026; it may have closed since.

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Job description

Job Requirements- 6+ years of hands ‑ on experience in Enterprise Networking across Routing, Switching, SDWAN, Wireless and Advanced Network technologiess. Strong expertise in Routing and Switching with solid troubleshooting capability. Practical experience with Cisco SD ‑ WAN (Viptela) and end ‑ to ‑ end SD ‑ WAN fabric troubleshooting. Good understanding of Wireless Networking (Cisco & Aruba) and wireless performance troubleshooting.

Hands ‑ on experience with Cisco Catalyst Center (DNAC) for the tasks such as ZTP and SWIM. 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 multi ‑ layer network issues with effective communication and collaboration across cross ‑ functional teams.

Key Responsibilities- Enterprise Networking

Design, implement, and support large ‑ scale enterprise networks across Routing, Switching, SD ‑ WAN, Wireless, and Advanced Network technologies with a focus on reliability and performance.

Wireless Networking

Implement and m anage Cisco & Aruba wireless infrastructures covering RF design, WLAN architecture, security, seamless roaming and controller/AP provisioning Migration: Perform Legacy to SDWAN Migration. And Aruba to Cisco Wireless Migration.

Advanced Network Technology

Utilize Cisco Catalyst Center (DNAC) to automate network tasks such as Zero ‑ Touch Provisioning (ZTP), Software Image Management (SWIM), and bulk configurations for improved operational efficiency.

Multi ‑ Layer Troubleshooting

Diagnose and resolve complex network issues across Layer 1–7 using structured methodologies, packet captures, and telemetry data to ensure minimal service impact.

Collaboration & Communication

Work closely with cross ‑ functional teams to analyze requirements, design solutions, streamline operations, and deliver clear technical updates to stakeholders. </p

Qualifications

BACHELOR OF ENGINEERING

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