Transmission L1 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 @.

• Monitor transmission network alarms through NMS/EMS tools on a 24x7 basis
• Identify network events, faults, service-impacting alarms, and performance degradation alerts
• Perform first-level alarm correlation and prioritization based on service impact
• Track node/link down events, path failures, LOS, LOF, interface flaps, power alarms, and transmission degradation alarms

• Raise incidents/tickets for all network alarms and customer-impacting events
• Categorize incidents based on severity, region, service, and technology
• Maintain proper updates in ticketing tools with time-stamped actions
• Ensure all incidents are acknowledged and assigned within defined SLA timelines

• Perform basic troubleshooting using SOPs, troubleshooting guides, and knowledge base
• Validate alarm persistence, flap behavior, repeat incidents, and service dependency
• Perform preliminary checks such as:
• Alarm acknowledgment
• Link/path status validation
• Interface and bandwidth checks
• Power/environment checks (where tool visibility exists)
• Reachability checks through monitoring systems
• Escalate unresolved or critical alarms to L2 / Shift Lead within defined TAT
• Coordinate with field teams, fiber teams, power teams, and OEM/vendor teams as per escalation matrix
• Follow escalation hierarchy for P1/P2 incidents without delay
• Inform customer support/service desk for affected services where required

• Provide timely updates to all stakeholders during incidents
• Maintain bridge call support for major outages if required
• Coordinate with internal teams for restoration activities
• Share handover notes clearly during shift change

• Ensure incidents are handled as per agreed SOP, SLA, and operational processes
• Maintain proper incident documentation and closure remarks
• Support shift governance, queue hygiene, and ageing control
• Adhere to reporting discipline and audit requirements

• Prepare shift-wise incident summaries and outage reports
• Maintain daily logs of major alarms, repeat faults, and pending issues
• Highlight chronic/repetitive issues to L2/team lead
• Support in MIS generation and service outage tracking

• Basic understanding of telecom transmission technologies:
• SDH
• DWDM
• Ethernet / MPLS Transport
• Fiber network basics
• Basic knowledge of alarm handling and NOC tools
• Understanding of incident management and escalation process
• Familiarity with EMS/NMS monitoring platforms
• Knowledge of transmission fault types such as:
• Link down / path down
• Interface down events