We are seeking an experienced Senior IP Telephony Engineer to design, implement, maintain, and troubleshoot contemporary 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 robust 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 New South Wales
🏢 Coforge
📍 New South Wales