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Network - Routing & Switching

TCS

6 - 10 years

Chennai

Posted: 01/07/2026

Job Description

Job Description

Job Requirements-

6+ years of handson 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 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.

Key Responsibilities-        

Enterprise Networking: Design, implement, and support largescale enterprise networks across Routing, Switching, SDWAN, 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 ZeroTouch Provisioning (ZTP), Software Image Management (SWIM), and bulk configurations for improved operational efficiency.

 

MultiLayer 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 crossfunctional teams to analyze requirements, design solutions, streamline operations, and deliver clear technical updates to stakeholders.

 

Location
Chennai
Job Function
IT INFRASTRUCTURE SERVICES
Role
Analyst
Job Id
417063
Desired Skills
Routing,Switching
Desired Candidate Profile
Qualifications : BACHELOR OF ENGINEERING

About Company

Tata Consultancy Services (TCS) is one of the largest multinational IT services and consulting companies in the world, headquartered in Mumbai, India. It operates in over 50 countries and is a part of the Tata Group, India's largest business conglomerate. TCS offers a wide range of services including software development, consulting, digital transformation, and business solutions, serving industries such as finance, healthcare, retail, and telecommunications. Known for its global reach, technological expertise, and innovation, TCS is consistently ranked among the top IT services companies globally.

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