Principal, Core Optimisation

Macquarie Park, New South Wales, Australia • Posted June 04, 2026

Job Type: Full-time

Location: Macquarie Park, New South Wales

Posted: June 04, 2026

Category: Computer Occupations

Application Deadline: July 14, 2026

Role Description

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
Deliver and optimise core network design, configuration, and automation across service chains, ensuring alignment with overall E2E design intent.

Maintain standardised interfaces, parameters, and configurations across domains, systems, and vendors.

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