Network Administrator

Department Icon Operations Maintenance & Support
Posted: 3 weeks ago
6-11 years
Chennai
Operations Maintenance & Support
work from office
Full Time
Closes 20 Dec 2026

Posted: 3 weeks ago
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Job Description

Hiring: Network Admin

Location: Chennai

Experience: 6-12Years

Interview Mode: Virtual

Interview Date: To Be Announced 

We are hiring an experienced Senior Network Engineer with strong expertise in Enterprise Networking, Cisco SD-WAN (Viptela), Routing & Switching, Wireless Technologies (Cisco & Aruba), and Cisco Catalyst Center (DNAC). The candidate will be responsible for network implementation, migration, troubleshooting, automation, and operational support across large-scale enterprise environments.


Ideal Candidate:


  • Strong hands-on experience in Enterprise Networking
  • Expertise in Routing & Switching
  • Experience with Cisco SD-WAN (Viptela)
  • Hands-on with Cisco & Aruba Wireless Technologies
  • Experience with Cisco Catalyst Center (DNAC)
  • Strong troubleshooting skills across Layer 1-7
  • Experience in network migration and transformation projects

Roles & Responsibilities :


  • Design, implement, and support enterprise network infrastructure.
  • Manage and troubleshoot Routing, Switching, SD-WAN, and Wireless environments.
  • Perform Legacy WAN to Cisco SD-WAN migration activities.
  • Execute Aruba-to-Cisco Wireless migration projects.
  • Utilize Cisco Catalyst Center (DNAC) for automation, ZTP, and SWIM operations.
  • Troubleshoot complex network issues across Layer 1-7.
  • Conduct root cause analysis and ensure timely resolution of incidents.
  • Collaborate with internal teams and stakeholders for seamless project delivery.
  • Ensure network availability, reliability, security, and performance.

Skills

SdwanCiscoRoutingNetwork AdministrationSwitchingCisco CatalystArubaCatalystOperationsDelivery

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About Company

Tata Consultancy Services (TCS) is an Indian multinational information technology services and consulting company headquartered in Mumbai, Maharashtra.

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