Tcom - Network Support Senior Specialist

NTT
Bengaluru
Workplace: OnsiteFull timeFunction: Solutions Engineering & Sales EngineeringEducation: bachelorsSkills: ["Debugging","Troubleshooting","Communication","Documentation","Managing priorities"]

Provide advanced support for UC/VC services in a 24/7 environment, resolving escalated incidents and driving root cause analysis and corrective actions. Administer Cisco CUCM, Unity Connection, and Emergency Responder, plus Cisco Webex video endpoints and integrations. Monitor system health, generate capacity/performance and call-accounting reports, manage approved change/releases, and maintain KB articles and SOPs while coordinating with OEM vendors to ensure timely resolution.

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FursaFursa
NTT
NTT
3 weeks ago

Tcom - Network Support Senior Specialist

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Source: Company careers pageValidated by: Fursa AI
Last checked: 15 hours agoStatus: Live

Job Summary

Provide advanced support for UC/VC services in a 24/7 environment, resolving escalated incidents and driving root cause analysis and corrective actions. Administer Cisco CUCM, Unity Connection, and Emergency Responder, plus Cisco Webex video endpoints and integrations. Monitor system health, generate capacity/performance and call-accounting reports, manage approved change/releases, and maintain KB articles and SOPs while coordinating with OEM vendors to ensure timely resolution.
Location: Bengaluru
Workplace: Onsite
Employment Type: Full time
Job Function: Solutions Engineering & Sales Engineering
Seniority: Mid level

Key Responsibilities

  • •Resolve UC and VC issues escalated from L1, performing RCA and implementing corrective and preventive actions.
  • •Administer Cisco CUCM, Unity Connection, and Cisco Emergency Responder for user configuration, dial plan updates, and voicemail setup, including trunk and gateway configuration.
  • •Administer Cisco Webex video endpoints, perform room-system configuration and health checks, and troubleshoot video quality and scheduling integrations.
  • •Monitor UC and VC systems via dashboards and produce performance and capacity reports using call accounting tools.
  • •Implement approved UC/VC changes, software updates, and firmware patches within maintenance windows; document KB articles and SOPs and collaborate with OEM vendors to resolve cases.

Key Requirements

  • •Hands-on experience with Cisco UC platforms including CUCM, Unity Connection, and Cisco Emergency Responder (CER).
  • •Experience administering Cisco Webex devices and Control Hub (Microsoft Teams Rooms knowledge is a plus).
  • •Strong understanding of VoIP protocols (SIP, RTP, H.323) and dial plan logic (E.164, NANP).
  • •Working knowledge of voice gateways, CUBE, Session Border Controllers, and SRST configuration.
  • •Operational knowledge of ITIL incident and change management processes.
Education:Bachelor's in IT or Networking
Skills:DebuggingTroubleshootingCommunicationDocumentationManaging priorities
Certifications:Cisco CCNA/CCNP CollaborationCisco Webex or Video Network Specialist certificationITIL FoundationMicrosoft Teams Voice Engineer AssociateCCIE CollaborationAV Design
Tech Stack:Cisco Unified Communications Manager (CUCM)Cisco Unity ConnectionCisco Emergency Responder (CER)Cisco WebexCisco Webex Control HubMicrosoft Teams RoomsSIPRTPH.323Dial planE.164NANPVoice gatewaysCUBESession Border ControllersSRSTExchangeOutlookMicrocallClearView

Company Brief

NTT
Dimension Data, operating under NTT Ltd, provides managed IT services, cloud and data center solutions, networking, cybersecurity, and digital transformation services to enterprise customers worldwide.
Industry: Professional Services
Company Size: Enterprise (1,001+ employees)
Revenue: USD 1B+
Growth: Established Company
Valuation: Public Company (Market Cap in USD)
Headquarters: London, United Kingdom
Founded: 1983
WebsiteLinkedIn