Job Description

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.

n

Key Responsibilities

n

Unified Communications & Telephony Design

n

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

n

Operations, Support & Troubleshooting

n

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




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

n

Documentation & Governance

n

n
Create and maintain:
n
High-Level Designs (HLDs)
n
Low-Level Configurations (LLDs)
n
Operational runbooks.
n
Maintain accurate inventory of:
n
Numbers
n
Licenses
n
Services.
n
Administer JAMF for macOS device management and security compliance.
n
Manage Microsoft Intune for Windows, macOS, iOS, and Android devices.
n
Deploy software and patches across enterprise endpoints.
n
Troubleshoot complex issues related to:
n
Windows Group Policy
n
Security patches.
n
Ensure compliance and vulnerability remediation across global endpoints.
n
J-18808-Ljbffr

📌 Senior Network Engineer New South Wales (Australia)
🏢 Coforge
📍 Australia