Network - WAN/LAN

Tata Consultancy Services
Posted on
Tata Consultancy Services logo

Experience
6 - 10 yrs
Salary (CTC)
₹5.7L - ₹6.3L
Job Location
Chennai, India
Vacancy
10
Designation
Network Engineer
Job Type
ONSITE

Job Description

Role-Network - WAN/LAN


Experience-6 to 10 yrs.


Location-Chennai.



Key Responsibilities


L1/L2 Network Monitoring & Incident Response


  • Continuously monitor enterprise networks using NMS and observability tools.
  • Perform L1/L2 troubleshooting for network alerts, incidents, and service degradation.
  • Diagnose and resolve issues related to LAN, WAN, Wireless, Firewall, VPN, and Internet connectivity.
  • Storewide outage triage and failover validation (cell/WAN2
  • Identify root cause indicators and escalate to L3/Engineering teams with detailed analysis.
  • Own incident tickets through resolution ensuring SLA and quality compliance.

Incident, Problem & Change Support


  • Handle P2/P3 incidents independently and provide strong initial triage for P1/Major Incidents.
  • Support Incident Managers during major outages with technical inputs and status updates.
  • Correlate alerts to detect broader network impacts and prevent repeat incidents.
  • Execute approved standard changes and maintenance activities as part of L2 support.
  • Participate in post-incident reviews and problem management activities.

SME Leadership & Operational Excellence

  • Act as an SME for specific network domains or tools within NOC.
  • Guide and mentor L1 engineers on troubleshooting approaches and best practices.
  • Review tickets for quality, accuracy, and completeness.
  • Create and maintain SOPs, runbooks, and knowledge base articles.
  • Identify automation or monitoring improvements to reduce manual effort and noise.

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