Full-time

Domain Architect - Fixed Voice

Posted by Singtel • Macquarie Park, New South Wales, Australia

📍 Macquarie Park, New South Wales 🕒 June 18, 2026

About the Role

Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions.

The Domain Architect – Fixed Voice and Interconnect is responsible for the end‑to‑end architecture, evolution, and technical governance of Fixed Voice platforms and services, ensuring solutions are secure, resilient, scalable, and aligned with business strategy and industry standards. Acting as the technical authority across legacy and next‑generation voice technologies, the role drives roadmap development, solution design, and complex transformation initiatives within the Fixed Voice and Interconnect domain.

Your day to day will consist of

  • Own and maintain end‑to‑end Fixed Voice and Interconnect architectures, covering current, transitional, and target states across domestic and international environments.

  • Define and evolve the Fixed Voice technology roadmap aligned with busine...
  • Ready to Apply?

    Submit your application today and take the next step in your career journey with Singtel.

    Apply Now