Unified Communication Technical Consultant (Contract till 31st Dec)

Role: • Manage, administer, and support Cisco Unified Communications Manager (CUCM 14/15) in a high-availability environment • Perform CUCM upgrades and patching with minimal or zero downtime • Maintain CUCM clusters including backup, restore, certificate management, and health monitoring • Configure device pools, regions, locations, and LDAP synchronization • Design and implement SIP trunks, PRI circuits, and Cisco CUBE gateway integrations • Configure dial-peers, translation rules, route patterns, and call routing logic • Implement outbound-only PRI links without impacting production systems • Manage MGCP, SIP, and analog gateways including VG224Support BT trading voice systems including turret platforms (IPTrade) • Perform upgrades, failover configuration, and troubleshoot trading voice environments • Administer Cisco UCCE 12.5 including agent creation, skill groups, team profiles, and Finesse/CAD configuration • Develop and maintain ICM scripts for call routing • Manage call flows and configurations in SAMWIN contact center • Work with Cisco routers, switches, and gateways for voice/data integration • Manage authentication systems using Cisco ISE (RADIUS/TACACS) • Develop and execute automation scripts (Python) for bulk configurations • Optimize call routing and system performance across UC environments Requirements: • Minimum of 6 years of experience in Unified communications engineering. • Experience in working in a banking or financial services industry is required. • Bachelors degree in Computer science or similar relevant education background • Experience with Python scripting is required. • Experience in performing advanced troubleshooting using tools such as debug ccapi, ISDN Q931, Wireshark, and RTMT • Strong hands-on experience with Cisco CUCM (v11.5 to 15.x) • Expertise in SIP, PRI, CUBE, MGCP, and VoIP protocols • Experience with Cisco UCCE/UCCX and contact center technologies • Strong troubleshooting skills in voice and network environments • Experience in banking or trading voice systems is highly preferred • Knowledge of monitoring tools such as RTMT, SolarWinds, Cisco Prime • Familiarity with Linux/Windows servers for UC backend support • Experience with Oracle SBC • Exposure to Verba recording systems • Knowledge of SAMWIN contact center platform • Familiarity with BT trading voice systems and turret platforms