Data Network L2 Engineer

Company – TCS (MEA)

Job type – Full time

About Us:

Tata Consultancy Services (TCS) is an IT services, consulting and business solutions organization that has been partnering with many of the world’s largest businesses in their transformation journeys for over 50 years. TCS offers a consulting-led, cognitive powered, integrated portfolio of business, technology and engineering services and solutions. This is delivered through its unique Location Independent Agile™ delivery model, recognized as a benchmark of excellence in software development.

A part of the Tata group, India's largest multinational business group, TCS has over 616,171 of the world’s best-trained consultants with 157 nationalities in 53 countries. For more information, visit  and follow TCS news at @.

Job Description:

Key Responsibilities

1. Advanced Troubleshooting & Fault Isolation

• Diagnose complex issues related to:
• Routing issues (BGP, OSPF, Static routes)
• SD-WAN overlay/underlay instability
• Perform deep analysis using CLI, logs, and monitoring tools

2. Incident Resolution & Service Restoration

• Own P1/P2 incidents escalated by L1
• Restore services within MTTR targets
• Troubleshoot:
• PE/CE connectivity issues
• VRF routing problems
• Tunnel failures (IPSec/SD-WAN)
• QoS-related degradation

3. Routing & Protocol Analysis

• Hands-on experience in:
• BGP (peering, route propagation issues)
• OSPF (neighbourship, LSDB issues)
• MPLS labels & forwarding
• Identify routing loops, flaps, asymmetry

4. SD-WAN Operations

• Validate:
• Control connections
• Overlay tunnels
• Policy/config issues

5. Root Cause Analysis (RCA)

• Perform detailed RCA for major incidents
• Identify root causes:
• Config issues
• Hardware/software fault
• ISP/backhaul issues
• Policy misconfigurations

6. Change & Implementation Support

• Validate and support:
• Network changes
• Config modifications
• Routing updates
• Ensure impact assessment and rollback readiness
• Coordinate with:
• Manage vendor escalations and TAC cases

8. Performance & Stability Improvement

• Drive network optimization
• Recommend improvements for:
• Routing stability
• Bandwidth optimization
• SD-WAN policy tuning

9. L1 Support & Governance

• Guide L1 team on troubleshooting
• Improve SOPs and knowledge base
• Ensure quality checks on ticket handling

Required Technical Skills

• Strong expertise in:
• MPLS (L2/L3 VPN)
• Routing protocols – BGP, OSPF
• TCP/IP stack
• Hands-on in:
• Network logs & packet analysis
• Knowledge of:
• QoS, SLA tracking

Experience & Qualification

• B.Tech / Diploma (Telecom / Networking / IT)
• Certifications:
• CCNA/CCNP (preferred)
• SD-WAN certification (added advantage)

Key KPIs

• MTTR reduction
• RCA quality & timeliness
• High severity incident resolution
• Repeat issue reduction
• Change success rate
• Strong understanding of:
• NOC / Service Assurance processes
• Incident / Problem / Change management
• Tools:
• Service Now / Remedy / Jira
• Monitoring tools (NMS/EMS)
• Soft Skills:
• Communication (customer & internal)
• Ability to work in 24x7 shifts.

Final date to receive applications: 20-Sep-2026

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