Teams Voice Architect / Senior Engineer
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Before you apply
LocationMelbourne, 161 Collins Street, Level 5; Brisbane, 10 Eagle Street; Canberra, 65 Canberra Avenue Bldg; Sydney, International House, 3 Sussex St; Adelaide, 30 Pirie Street; Perth, Exchange Tower
SenioritySenior
Company size10,000+ people
PostedOct 19, 2026 · 2w ago
Verified live3d ago
At a glanceSummarised by Seekless from the posting.
Microsoft Teams Phone
Microsoft Teams Voice Architecture
Operator Connect
Direct Routing
Session Border Controllers (SBC)
PSTN Connectivity and Telephony Services
Dial Plans and Number Management
Voice Routing Policies
Audio Conferencing
Microsoft Entra ID
Unified Communications Design
VoIP and SIP Technologies
Telephony Security and Compliance
Network and Connectivity Troubleshooting
Enterprise Voice Migration
Technical Design and Solution Governance
Designing and implementing Microsoft Teams Phone solutions in large enterprise environments
Direct Routing, Operator Connect, and SBC integration projects
Migration from traditional PBX or telephony platforms to Microsoft Teams
Government or highly regulated environments
Global telephony deployments and multi-region voice architectures
Complex numbering, voice routing, and telephony integration programs
Technical leadership across Unified Communications transformation initiatives
Australian citizen
Skills
Microsoft Teams Phone
Microsoft Teams Voice
Operator Connect
Direct Routing
Session Border Controllers (SBC)
PSTN
Dial Plans
Voice Routing
Audio Conferencing
Microsoft Entra ID
VoIP
SIP
Telephony Security
Network Troubleshooting
Enterprise Voice Migration
Role Description
The Teams Voice Architect / Senior Engineer is responsible for the design, build, configuration, and implementation of the Unified Communications solution within the client environment. The role provides technical leadership for Microsoft Teams Phone, PSTN connectivity, Direct Routing, Operator Connect, Session Border Controller (SBC) integration, voice routing, numbering, and telephony services.
Working closely with client stakeholders, network teams, identity teams, and solution architects, the role is responsible for delivering a secure, scalable, and resilient voice solution that supports local and international calling, integration with client telephony services, and future transition to client-managed SBC infrastructure.
You must be an Australian citizen to apply; security clearance is highly regarded.
Key Responsibilities
•
Lead the design and implementation of Microsoft Teams Phone services.
•
Design PSTN connectivity using Operator Connect, Direct Routing, and cloud-based SBC services.
•
Define voice routing, numbering plans, dial plans, and telephony policies.
•
Design and configure Microsoft Teams voice, audio conferencing, and calling capabilities.
•
Support integration with client telephony providers and external voice services.
•
Develop architecture to support future adoption of client-managed SBC infrastructure.
•
Configure voice security, resilience, and service continuity requirements.
•
Lead telephony testing, validation, troubleshooting, and performance optimisation activities.
•
Develop solution documentation, operational procedures, and support handover materials.
•
Support deployment planning, pilot activities, and production rollout of voice services.
•
Provide technical leadership and governance across the Unified Communications workstream.
Key Skills
•
Microsoft Teams Phone
•
Microsoft Teams Voice Architecture
•
Operator Connect
•
Direct Routing
•
Session Border Controllers (SBC)
•
PSTN Connectivity and Telephony Services
•
Dial Plans and Number Management
•
Voice Routing Policies
•
Audio Conferencing
•
Microsoft Entra ID
•
Unified Communications Design
•
VoIP and SIP Technologies
•
Telephony Security and Compliance
•
Network and Connectivity Troubleshooting
•
Enterprise Voice Migration
•
Technical Design and Solution Governance
Nice to have
.
Preferred Experience
•
Designing and implementing Microsoft Teams Phone solutions in large enterprise environments.
•
Direct Routing, Operator Connect, and SBC integration projects.
•
Migration from traditional PBX or telephony platforms to Microsoft Teams.
•
Government or highly regulated environments.
•
Global telephony deployments and multi-region voice architectures.
•
Complex numbering, voice routing, and telephony integration programs.
•
Technical leadership across Unified Communications transformation initiatives.
.