Job: Voice Gateway

Title Voice Gateway
Location Pune, Bangalore
Job Information

Key Responsibilities:

•Supervising responsibilities including interviewing and training/coaching team members.
•Act as internal escalation source in case team members need assistance.
•Provide operational support for LAN/WAN in a multi-shift 7 x 24 x 365 Operations Center
•Keep up to date with new products and services that are supported by GNOC.
•Handling and Escalating highly impacting operational issues to upper Management and/or 3rd party vendor escalation
•Any other project specific tasks relating to Operations passed on by the Senior Engineers.
•Perform vendor interaction with internal and external support organizations
•Participate in team projects and project/technology transition
•Monitor, troubleshoot, and escalate production problems affecting the global network and systems infrastructure
•Identify and resolve chronic issues.
•Troubleshooting and resolution of issues with both hardware and software as it relates to system configuration, trunking, Telco, dial plans, routing and features.
•Operational support for deployed technologies such as call managers, Unity voicemail systems, toll bypass gateways and network infrastructure
•Implement changes to the telephony environment (Call managers, gateways, gatekeepers, and Unity Voicemail system) as per business requirements.
•Troubleshoot call quality issues.

Knowledge & Skill Requirements:

•5-6 years experience in the troubleshooting and performance management of voice infrastructure networks (Both Legacy and IPT)
•Strong communication and interpersonal skills including an ability to convey technical information using non-technical language
•Extensive knowledge/experience with Cisco Voice over IP systems and components including Call Managers 7.x, gateways, gatekeepers, Unity voice mail, routers and switches.
•Must have thorough understanding of traditional call flows and communication protocols (SIP, H.323, MGCP, RTP,SRTP, SCCP, ISDN)
•Knowledge and experience operating converged (voice/video/data) networks, including knowledge of: CoS, QoS, WRED and related quality of service parameters over MPLS backbone.
•WAN and voice circuit experience in VoIP and Legacy Voice environment
•Basic knowledge of BGP, MP-BGP and OSPF routing protocols.
•Knowledge of VPN technologies and IPSec and GRE protocols.
•Understanding of network protocols like FTP, TFTP, NTP, DNS, DHCP
•Organizational and problem-solving skills
•Exposure to Cisco’s Unified Border Element (CUBE) and session border controllers.
•Understanding of multiplexing technologies
•Exposure to Cisco Presence and Emergency Responder configurations
•Experience in CUCM 7.x


•CCVP/CCIE (Voice) Certification

Experience: 3 to 5 Years

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