Principal, Critical Network Platforms

Singtel • Macquarie Park, New South Wales • Posted June 24, 2026

Position Overview

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

As the Principal, Critical Network Platforms, you be tasked with designing, building, and providing high-quality hybrid infrastructure platforms for network automation tooling, operational systems, and engineering workloads.

What You’ll Do

  • Define, manage, and maintain hybrid infrastructure architecture patterns, reference builds, standards, and guardrails across on-premises data centres, private cloud (OpenShift, Proxmox), and public cloud (AWS, GCP) environments.

  • Lead infrastructure build reviews and provide architectural assurance across initiatives, ensuring scalability, security, compliance, and production readiness.

  • Build and sustain on-premises compute platforms, encompassing bare-metal server provisioning, hypervisor management, hardware lifecycle planning, ...