Senior Cloud & Network Reliability Specialist

Singtel GroupSydney, Sydney🇦🇺AustraliaPosted 18 Oct 2026

Why This Role Stands Out

This on-site role offers a fantastic opportunity to drive network reliability and mentor junior specialists within a leading telecommunications company, providing invaluable experience in cloud-native technologies and robust operational management. You'll thrive here if you possess strong engineering and cloud expertise and are eager to contribute to critical network operations in a dynamic environment. Apply now to grow your career with Singtel Group!

Quick Overview

Seniority

Mid Senior

Employment type

Full Time

Work mode

On Site

Location

Sydney, Sydney, Australia

Job Description

Optus is seeking a Senior Technical Specialist to maintain network performance and service reliability. The role is based on-site at Macquarie Park, Sydney, with a 24x7 rotating roster in the Network Operations Centre.

You will mentor juniors, work with managed service partners, and drive improvements across change, incident, and problem management. The candidate should have engineering/telecom qualifications and extensive cloud-native/virtualised tech experience, with strong vendor and