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

The Principal is responsible for delivering end-to-end Core Network design, configuration, performance and automation outcomes across service chains, ensuring alignment to defined design intent, operational requirements and automation guardrails.

The role operates across Core domains including Packet Core, Voice/IMS, Policy & Charging, Signalling, Subscriber Management, Network Exposure and Telco Cloud, translating system-level direction into practical engineering outcomes.

What You'll Do