We are seeking an experienced Senior IP Telephony Engineer to design, implement, maintain, and troubleshoot up-to-date unified communications and telephony platforms across on-premises and cloud environments. This role requires deep expertise in Zoom Phone / Zoom Contact Center , Cisco Voice Gateways , and SIP-based VoIP solutions , along with strong skills in MDM administration (JAMF, Microsoft Intune) for endpoint security and compliance.

Key Responsibilities

Unified Communications & Telephony Design

- Architect and deploy VoIP and Unified Communication solutions , including:
- Zoom Phone / Zoom Contact Center
- Cisco On-Prem IP PBX and SBC Platforms
- Design and optimize:
- Call flows, auto-attendants, hunt groups, queues, voicemail, IVR, and contact center routing.
- Collaborate with network teams to ensure:
- Bandwidth planning
- End-to-end voice quality assurance.

Operations, Support & Troubleshooting

- Act as the primary escalation point for complex telephony and UC incidents.
- Monitor and maintain:
- SIP trunks, SBCs, and carrier interconnects.
- Zoom voice workloads (devices, policies, dial plans).
- Cisco IP PBX instances and voice gateways.




- Perform advanced troubleshooting using:
- SIP traces, logs, and monitoring tools.
- Execute MACD (Moves, Adds, Changes, Deletes) for users, numbers, call flows, and devices.
- Work directly with customers and internal stakeholders to:
- Gather requirements and translate them into technical designs and implementation plans.
- Recommend best practices for Zoom and overall UC strategy.
- Coordinate with carriers and vendors for:
- Incident resolution.

Documentation & Governance

- Create and maintain:
- High-Level Designs (HLDs)
- Low-Level Configurations (LLDs)
- Operational runbooks.
- Maintain accurate inventory of:
- Numbers
- Licenses
- Services.
- Administer JAMF for macOS device management and security compliance.
- Manage Microsoft Intune for Windows, macOS, iOS, and Android devices.
- Deploy software and patches across enterprise endpoints.
- Troubleshoot complex issues related to:
- Windows Group Policy
- Security patches.
- Ensure compliance and vulnerability remediation across global endpoints.

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📌 Senior Network Engineer (Newcastle City Council)
🏢 Coforge
📍 Newcastle City Council