Senior Network Engineer

Coforge; Newcastle City Council; On-site; AUD 100,000 - 130,000; Full time

Job summary

A leading technology services company is seeking a Senior IP Telephony Engineer to design and maintain modern unified communications and telephony platforms. The ideal candidate will have deep expertise in Zoom Phone, Cisco Voice Gateways, and SIP VoIP solutions, along with MDM administration skills. Responsibilities include architecting VoIP solutions, supporting complex incidents, and creating technical documentation. If you have strong troubleshooting abilities and experience in diverse environments, apply now!

Qualifications

• Deep expertise in Zoom Phone and Zoom Contact Center.
• Strong skills in Cisco Voice Gateways and SIP-based VoIP solutions.
• Experience in MDM administration using JAMF and Microsoft Intune.

Responsibilities

• Design and optimize call flows, auto-attendants, and voicemail.
• Monitor and maintain SIP trunks and carrier interconnects.
• Create and maintain High-Level Designs (HLDs) and Operational runbooks.

Skills

Zoom Phone / Zoom Contact Center

Cisco Voice Gateways

SIP-based VoIP solutions

MDM administration (JAMF, Microsoft Intune)

Troubleshooting using SIP traces

Job description

We are seeking an experienced Senior IP Telephony Engineer to design, implement, maintain, and troubleshoot modern 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.