Senior Network Engineer

Role - Senior Network Engineer

Job location - NewCastle, NSW

Skills - Zoom, Cisco, JAMF, MDM

Experience - 3+ Years

Role Overview

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:
• Proper QoS configuration
• 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.
• Yealink IP Phones.
• Perform advanced troubleshooting using:
• SIP traces, logs, and monitoring tools.
• Execute MACD (Moves, Adds, Changes, Deletes) for users, numbers, call flows, and devices.

Customer Engagement & Delivery

• 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:
• Provisioning
• Number porting
• Incident resolution.

Documentation & Governance

• Create and maintain:
• High-Level Designs (HLDs)
• Low-Level Configurations (LLDs)
• Operational runbooks.
• Maintain accurate inventory of:
• Telephony devices
• Numbers
• Licenses
• Services.

MDM & Endpoint Management

• 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
• macOS policies
• Security patches.
• Ensure compliance and vulnerability remediation across global endpoints.

Required Skills & Keywords

• Zoom Phone / Zoom Contact Center
• Cisco IP Telephony, SIP, SBC, VoIP
• JAMF, MDM, Microsoft Intune
• QoS, UC Strategy, Endpoint Security.