Solution Architect - Thelephony and Voice

  • Australia
  • Parramatta
  • Contract
  • AU$1000 - AU$1100 per day

🚀 Solution Architect – Unified Communications & Telephony

📍 Parramatta & Sydney Olympic Park (Hybrid)
📅 Contract until Feb 2027
🏛 Government Organisation | Critical Infrastructure Program

We are partnering with a major Government organisation delivering a large-scale Critical Network Program and are seeking an experienced Solution Architect – Unified Communications & Telephony to lead the design and modernisation of enterprise voice platforms.

This is a strategic architecture role focused on transforming legacy Cisco UC environments into secure, scalable, cloud-based UCaaS/CCaaS solutions supporting mission-critical and emergency communication services.


🔎 The Opportunity

You will take ownership of the end-to-end voice architecture within a complex Government environment, defining the future-state strategy and guiding migration from on-prem Cisco UC platforms to modern cloud collaboration solutions.

This role combines deep technical expertise, architectural governance, and senior stakeholder engagement.


🏗 Key Responsibilities

  • Define and lead the enterprise voice & unified communications architecture roadmap

  • Architect migration from Cisco UC (CUCM, Unity, UCCX, Expressway, etc.) to UCaaS/CCaaS platforms (e.g. Webex Calling/Contact Centre or equivalent)

  • Design secure, resilient SIP trunking and emergency telephony solutions

  • Develop HLDs, LLDs, and architecture artefacts

  • Act as Design Authority for telephony solutions

  • Oversee decommissioning of legacy platforms

  • Provide technical leadership across build, migration, and operational transition

  • Ensure solutions align with Government security, compliance, and resilience standards


✅ What We’re Looking For

  • Extensive experience architecting enterprise unified communications solutions

  • Deep expertise across Cisco UC stack

  • Strong understanding of SIP, VoIP, telephony architecture & QoS

  • Proven experience delivering telephony/cloud migration programs

  • Experience working within Government or highly regulated environments

  • Strong stakeholder engagement and vendor management capability

Desirable: CCNP/CCIE Collaboration or equivalent


🔐 Eligibility Requirements

  • Australian Citizen / Permanent Resident / NZ Citizen

  • Ability to obtain/hold Baseline National Security Clearance

  • Comfortable working within a secure, critical-services environment


This is a rare opportunity to shape the future of communications within a high-profile Government digital transformation program.

📩 Apply now or reach out for a confidential discussion.

Apply now

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