Contact Center & Enterprise voice services JOB DESCRIPTION (UCS A ) Specialist o The Unified Communications Engineer will participate in a global technology team delivering IPT and video applications o Configuration of Client and SIP trunks with peer Client / SIP proxy servers o Coordination with Carriers, vendor, OEM, Client technical Team for new deployment or upgradation o Capacity planning and engineering for voice call routing o Toll-Free / Toll Number provision from service providers for internal/external parties o Provide support for UC products and services deployed, mostly in India but also support global IT staff with UC issues
o Performs systems tuning to optimize performance of IPT systems and reduce communication costs
o Analyzing IPT systems performance data for purposes of capacity analysis and management
o Keep up-to-date with advanced Unified Communication technology used by the industry
o Assume responsibility for technical studies, and make recommendations for products and services covering overall UC platform
o Three to Five years of the required experience must have been in the implementation, maintenance, modification and/or operation of large telecommunications systems and networks MAJOR TASKS AND RESPONSIBILITIES MAY INCLUDE o Configure Session Border Controller(Client) for SIP communication with peer Client or SIP Proxy servers o Implement voice call routing policy between UC end points to service providers o Route TFN/DID numbers via SIP gateway o Manage the call flow from/ to internal PBX to Service providers o Manage Global UC Dial-plan allocation o Manage multiple network infrastructure projects and L3 operational tasks concurrently
o Install, configure, and maintain voice and data networks related to UC o Install and maintain Client, CUCM, UCXN, and UCCX o Configure and maintain standard QoS templates across all network devices o Provide third level support to Network Operations and Service desk teams o Support Cisco CUCM, Avaya SM, Client and MS Teams implementations Requirements o KNOWLEDGE, SKILLS, ABILITIES, AND COMPETENCIES o Hands on experience with industry leading Session Border Controllers (Clients)
o Understanding and troubleshooting knowledge of SIP Call Flow and IP packet analyzers like Wireshark o Performance reporting, network optimization and troubleshooting of enterprise IPT deployments
o Demonstrated experience managing security policies and procedures for IPT and video
o Demonstrated experience with Cisco Unified Communications Manager (CUCM),Unity Connection, Voice Gateways, CUBE, IP Phones o 4+ years network engineering experience with focus on IPT particularly Client o Hands on Knowledge/ Experience of H.323, H248, MGCP and SIP o Hands on Knowledge / Experience of Voice over Internet Protocol (VoIP) and IP Trunking concepts, topology design VoIP media RTP/RTCP o Expertise with Signaling Protocols ISDN, CAS, Analogue, T1/E1 PRI, E&M o Experience / Knowledge of compression algorithms G729, G711, G722 etc o Extensive experience configuring, implementing, and troubleshooting QoS o Experience supporting Voice Transport, including setup, configuration, and troubleshooting of toll-free numbers desirable o Demonstrated experience in performing upgrades of CUCM 7.X to 12.X
o CCNA or CCNP Voice desired o Excellent oral and written communication skills desirable
o Architecture, engineering and construction experience desirable
o Ability to work independently, defines priorities, and meets critical deadline
o Exceptional problem solving and analytical skills to resolve issues and challenges.
