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

Preferred Qualifications

• 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

Key Responsibilities

Key Responsibilities

Voice & Collaboration (Core)

• 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).

General Duties

• 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.