Data Network L1 Engineer (MPLS/NOC/SD‑WAN Support)

About the role

Join Tata Consultancy Services as a Data Network L1 Engineer, providing first‑line monitoring and incident handling for MPLS, VPN and SD‑WAN services. You will work in a fast‑paced NOC environment, ensuring network availability and rapid resolution of service disruptions.

Key responsibilities

• Monitor network health using NMS/EMS tools such as SolarWinds, PRTG and SevOne, tracking alerts for internet outages, MPLS link issues, VPN tunnel failures and SD‑WAN edge device problems.
• Log and categorize incidents in ServiceNow, Remedy or Jira, adhering to defined SLA/TAT and providing timely updates.
• Perform initial troubleshooting: verify interface status, device reachability, bandwidth utilization, VPN tunnel health and basic SD‑WAN checks.
• Escalate high‑priority (P1/P2) incidents to L2, OEM, ISP or field teams following the escalation matrix.
• Communicate regularly with stakeholders, support bridge calls during outages, and hand over shift notes.
• Maintain compliance with processes, SOPs and audit requirements, ensuring complete documentation in tickets.

Required profile

• Basic understanding of TCP/IP, routing and switching concepts.
• Familiarity with MPLS fundamentals (L2VPN/L3VPN) and SD‑WAN basics (overlay/underlay).
• Knowledge of internet and VPN services.
• Ability to use ping, traceroute and basic CLI commands for diagnostics.
• Experience with monitoring tools and ticketing systems.

Required skills

• TCP/IP
• Routing & Switching
• MPLS (L2VPN/L3VPN)
• SD‑WAN
• Internet & VPN services
• Ping
• Traceroute
• CLI
• SolarWinds
• PRTG
• SevOne
• ServiceNow
• Remedy
• Jira