Transmission L2 Engineer

Tata Consultancy Services; Doha; On-site; QAR 120,000 - 180,000; Full time

Job summary

Tata Consultancy Services (TCS) is seeking aSenior Transmission Engineer in Doha to troubleshoot complex network faults and drive rapid restoration. You will own high-priority incidents, analyze RCA, publish CAPA, and coordinate with cross-functional teams to minimize downtime.

The role requires deep knowledge of SDH, DWDM/OTN, fiber transport, and EMS/NMS tools, with a focus on governance, change activities, and reliability improvements.

Qualifications

• Extensive experience in telecom transmission technologies and fault isolation.
• Ability to perform RCA and publish CAPA with clear actions.
• Experience with change management and incident restoration in a telecom network.

Responsibilities

• Troubleshoot and isolate transmission faults across SDH/DWDM/OTN and fiber links.
• Own high-priority incidents, drive restoration within SLA/MTTR targets.
• Perform RCA and publish CAPA with preventive actions.
• Support planned changes and post-change validation, ensure rollback readiness.
• Analyze performance indicators and coordinate with cross-functional teams.
• Document incident summaries, SOPs and knowledge artefacts.
• Participate in governance and incident review forums.

Skills

SDH

DWDM/OTN

Microwave

Fiber transport

Ethernet backhaul

MPLS transport

EMS/NMS tools

Root cause analysis

Tools

EMS/NMS tools

Job description

Company – TCS (MEA)

Job type – Full time

Job Description:

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 www.tcs.com and follow TCS news at @TCS_News.

Key Responsibilities

1. Advanced Troubleshooting & Fault Isolation

• Perform deep-dive technical troubleshooting for transmission network issues
• Analyze faults related to:
• SDH / DWDM / OTN / Microwave links
• Fiber breaks and path failures
• Network synchronization issues
• Repeated or intermittent link failures
• Validate service impact and identify probable root cause
• Perform remote diagnostics and restoration support through EMS/NMS tools

2. Incident Resolution & Service Restoration

• Take ownership of high-priority and complex incidents escalated by L1
• Drive restoration activities within defined SLA/MTTR targets
• Coordinate with cross-functional teams such as:
• Fiber operations
• Field operations
• Power team
• Access/backhaul teams
• IP/MPLS team
• Lead technical bridge calls during major incidents

3. Root Cause Analysis (RCA)

• Conduct detailed RCA for major/repeat incidents
• Identify whether the issue is due to:
• Fiber cut
• Configuration mismatch
• Power failure
• External dependency or recurring instability
• Publish RCA inputs with corrective and preventive actions (CAPA)

4. Change & Planned Activity Support

• Review, validate, and support planned changes in transmission network
• Assess impact of maintenance activities such as:
• Device replacement
• Card replacement
• Ring reconfiguration
• Path rerouting
• Software/firmware upgrades
• Provide implementation support and post-change validation
• Ensure rollback readiness and risk mitigation during planned activities

5. Performance & Stability Management

• Analyze chronic issues and recurring faults
• Review transmission performance indicators such as:
• Link stability
• Error trends
• Optical power levels
• Latency or path-related degradation
• Repeat outage patterns
• Recommend preventive actions to improve network reliability
• Coordinate with OEMs/vendors for hardware/software-related incidents
• Track vendor cases for RMA, TAC support, and patch recommendations
• Escalate severe issues to higher technical support teams where required
• Ensure closure of vendor dependencies within expected timelines

6. Documentation & Knowledge Management

• Prepare incident RCA, technical summaries, and outage reports
• Create and update SOPs, troubleshooting guides, and knowledge documents
• Conduct technical mentoring and support for L1 teams
• Share lessons learned from major incidents and recurring problem areas

7. Operational Governance

• Support major incident review meetings and problem management forums
• Ensure adherence to SLA, MTTR, and incident process standards
• Review queue quality, ticket accuracy, and escalation effectiveness of L1 teams
• Drive continuous improvement opportunities in monitoring and restoration processes

Required Technical Skills

• Strong understanding of telecom transmission technologies:
• SDH
• DWDM / OTN
• Microwave transmission
• Fiber transport
• Ethernet backhaul
• MPLS transport basics
• Strong knowledge of transmission faults, path switching, and topology concepts
• Hands-on experience in alarm/event analysis through EMS/NMS tools
• Ability to analyze:
• Cross-connect or routing dependencies in transport layer
• Understanding of service impact analysis and restoration planning
• Exposure to OEM platforms (example: Huawei, Nokia, Ericsson, Ciena, Tejas, NEC, Ceragon, etc.) is preferred

Application Deadline: 20-Sep-2026

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