Senior Cisco Voice Engineer

Role Requirements

Required Technical Skills

• Cisco Collaboration Suite: CUCM, Unity, UCCX, CER
• Cisco IOS Voice Gateway configuration (SIP/MGCP/H.323)
• PSTN Technologies: POTS, ISDN, PRI, SIP Trunks
• Protocols: SIP, SCCP, MGCP, H.323, RTP
• Session Border Controllers (SBCs)
• Microsoft Teams Voice & Direct Routing
• VTC Room Technologies: Cisco Webex Room Kits, MS Teams Rooms, Zoom Rooms, Poly/Logitech devices
• Video Platform Admin Tools: Webex Control Hub, Teams Admin Center, Zoom Dashboard
• Basic Networking: TCP/IP, QoS, DNS, DHCP, VLANs
• Reporting Tools: Microsoft Office Suite (Word, Excel, PowerPoint), Project, Visio
  
  

• CCIE Collaboration (strongly preferred)
• CCNA Collaboration or CCNA Routing & Switching
• Microsoft Teams Voice or AVIXA CTS certification
• Experience with SS7 signaling and protocol stacks
• Familiarity with video monitoring tools like Vyopta, IR Collaborate, or Appspace
  
  

• Design, configure, and maintain Cisco Unified Communications solutions, including: CUCM, CUC, CER, UCCX, Voice Gateways (MGCP/SIP/H.323), Cisco IOS voice configurations.
• Manage and troubleshoot PSTN access including: POTS, E1, T1, ISDN, PRI, SIP trunks.
• Configure and maintain Session Border Controllers (SBCs).
• Integrate and support Microsoft Teams Voice including Direct Routing and SBC connectivity.
• Collaborate with ISPs and telecom vendors for deployment, upgrades, and troubleshooting.
• VTC (Video Teleconferencing) & Telepresence
• Deploy, support, and optimize Video Conferencing Rooms (VTC) and Telepresence systems.
• Configure and troubleshoot video collaboration platforms, including: Microsoft Teams Rooms (MTR), Cisco Webex / Webex Calling, Zoom Rooms, Google Meet Hardware.
• Oversee interoperability and integration between platforms.
• Ensure video solutions are scalable, secure, and high-performance.
• Manage monitoring and alerting tools for VTC rooms (hardware status, call quality, usage reports).
  
  

• Participate in project planning and implementation for unified communications.
• Troubleshoot escalated incidents across voice and video systems.
• Maintain detailed documentation (call flows, architecture diagrams, SOPs).
• Provide Tier 3 support and mentor junior engineers.
• Participate in a rotational on-call support schedule.