Network Cisco

Key Responsibilities

• Design, configure, administer, and troubleshoot Cisco Voice and Collaboration environments.
• Hands-on experience with Cisco CUCM (Call Manager) administration, configuration, upgrades, and troubleshooting.
• Manage and support Cisco Unity Connection for voicemail and unified messaging.
• Configure and troubleshoot Ribbon SBC / PSX for SIP signaling, call routing, and voice connectivity.
• Troubleshoot SIP, RTP, TCP/IP, DNS, and voice call-flow issues.
• Configure and maintain Cisco IP Phones, gateways, trunks, dial plans, route patterns, translation patterns, and partitions/CSS.
• Monitor voice infrastructure and resolve incidents, service requests, and performance issues.
• Perform voice platform upgrades, patching, migrations, and production changes.
• Work with network, security, and application teams to resolve complex voice and connectivity issues.
• Maintain technical documentation, configuration standards, and operational procedures.

Required Skills

• Strong experience in Cisco Voice / Collaboration technologies.
• Cisco CUCM – Administration and troubleshooting.
• Cisco Unity Connection – Administration and troubleshooting.
• Ribbon SBC / PSX – Configuration and troubleshooting.
• Strong knowledge of SIP, RTP, VoIP, TCP/IP, DNS, and networking fundamentals.
• Experience with SIP Trunks, dial plans, gateways, route patterns, and call routing.
• Good troubleshooting and incident management skills.
• Exposure to monitoring tools and ITIL-based support processes is an added advantage.