Dimension Data India ltd. Sr.Network Engineer April’2012 – Till Date• Provided technical support in a 24x7x365 environment which includes uptime, configuration changes and network upgrade support.• Implemented MGCP for registration of Cisco voice gateways at remote locations with a centralized Cisco Unified Communication Manager cluster at the corporate location.• Configure SRST for providing redundancy of voice services to registered Cisco IP phones.• Managing user… Show more Dimension Data India ltd. Sr.Network Engineer April’2012 – Till Date• Provided technical support in a 24x7x365 environment which includes uptime, configuration changes and network upgrade support.• Implemented MGCP for registration of Cisco voice gateways at remote locations with a centralized Cisco Unified Communication Manager cluster at the corporate location.• Configure SRST for providing redundancy of voice services to registered Cisco IP phones.• Managing user accounts using bulk administration tool.• Registering phones using BAT, auto-registration, TAPS. • Implemented many infrastructure projects based on Switching, Routing, Voice, video conferences and Tandberg end points.• Implemented Cisco Tele Presence systems like CTS 3000 & 1000• Resolved network issues to reduce downtime and ensuring client Service Level Agreements.• Responsible for designing, and implementing Cisco Routers and Switches for small and medium sized businesses.• Responsible for maintaining firmware upgrades for Routers, Switches, Voice Gateways, Cisco call manager when applicable.• Implemented Cisco Tele Presence systems.• Handle first level of designing and implementing Cisco VOIP Solution for various customers, each with distinct requirements.• Handled multiple migration projects for Call Manager versions leading to 9.• Upgraded firmware version on Video Infrastructure devices. Show less