Senior Technical Specialist

Singtel • Macquarie Park, New South Wales, Australia • Posted June 06, 2026

Location Macquarie Park, New South Wales

Job Type Full-time

Category Computer Occupations

Posted June 06, 2026

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

The Senior Technical Specialist designs and implements IP-based platform infrastructure and service solutions, ensuring alignment with architecture standards and business requirements. The role involves developing low-level designs, configuring automation tools, and supporting testing and deployment across production networks. It requires strong expertise in routing, switching, firewall configuration, data centre networking (VXLAN/EVPN), and hands-on experience with major vendor equipment, along with flexibility for after-hours implementation and troubleshooting.
Your day to day will consist of
Design IP network connectivity solutions aligned with platform architectures and standards. 

Support onboarding and integration of new routers and switches into the network. 

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