**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

EXP-5-12 yrs

Skill- Network Voice Admin(Cisco UCM)

Responsibility

- Provide operational support for a large-scale Cisco Unified Communications (UC) and Collaboration workplace 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.

📌 TCS IS HIRING FOR Network Voice Admin(Cisco UCM) (Chennai)
🏢 Tata Consultancy Services
📍 Chennai