Job Description

**Walkin Drive**

Drive Date-26-Sep-26

Drive Venue-TATA Consultancy Services Module-4, 3rd Floor South Block, Chennai One It Sez Phase-2, 200 Feet Radial Rd, inner, ring road, MCN Nagar Extension, Pallavaram, Thoraipakkam, Tamil Nadu 600097

EXP-5-12 yrs

Skill- Network Voice Admin(Cisco UCM)

Responsibility

Provide operational support for a large-scale Cisco Unified Communications (UC) and Collaboration environment via ticketing tool (Service Now)
Monitor and support Cisco Collaboration infrastructure to ensure high availability and service continuity.
Troubleshoot and resolve incidents related to voice, video and collaboration technologies within defined SLAs.
Support Cisco Unified Communications Manager (CUCM), Cisco Unity Connection (CUC), IM & Presence (IM&P), Cisco Emergency Responder, Cisco Expressway, CUBE/VG and Cisco Webex.
Support Microsoft Teams Voice and hybrid collaboration solutions integrated with Cisco UC.
Manage and troubleshoot SIP trunks, dial plans, route patterns, route lists, translation patterns, media resources and call routing.
Perform user provisioning, endpoint configuration, phone registration and MACD (Move, Add, Change, Delete) activities.
Troubleshoot call failures, one-way audio, registration issues, codec mismatches, media path issues, and SIP signaling problems.
Analyze logs, traces, RTMT data and diagnostic information to identify root causes and restore services.
Participate in incident management, problem management and change implementation activities.
Perform health checks and proactively identify potential issues within the UC infrastructure.
Work closely with Network, Security, other vendors and customer teams during incident resolution and planned changes.
Participate in knowledge transfer (KT) and service transition activities.
Maintain technical documentation, SOPs, operational runbooks and knowledge articles.
Participate in on-call support and maintenance activities as required.