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🥝 Senior Technical Specialist

Singtel | Macquarie Park, Australia | Posted June 04, 2026

Job 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 IP & Security Technical Specialist / Senior Technical Specialist plays a critical role in maintaining the performance, availability, and customer experience of the Optus Network. This is achieved through hands-on operational execution and the technical governance of suppliers, focusing on service assurance areas such as Change, Problem, and Incident Management.

The role is part of a Tier 2 Network Operations team based in the Optus Network Operations Centre in Macquarie Park and we are looking to fulfil roles that involve 24x7 as well as 9-5 rostered coverage.

In this position, the Specialist will deliver high-quality support, provide leadership to less experienced team members, and act as a key liaison between internal teams and external partners. The role req...

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