Principal Network Architect

Singtel
Full-time Australia, New South Wales Computer Occupations
Posted:
March 03, 2026
Location:
Australia, New South Wales, Australia

Job Description

Optus is a leading Telecommunications company that is known for delivering innovative solutions to its customers, disrupting the industry, and becoming a technology company with a diverse offering of products and services.


This Principal-level Subject Matter Expert (SME) role represents the highest technical authority for Optus' corporate network architecture, corporate network segmentation strategy, cloud networking, and firewall technologies across on-premises, multiple clouds, and DMZ environments. As the organization's recognised technical leader in networking, you will define strategic direction, drive innovation, and ensure Optus maintains a world-class security posture aligned with regulatory requirements and business objectives.

You will architect and lead the evolution of zero-trust network architectures, enterprise-scale firewall strategies, advanced network segmentation (micro-segmentation, VLANs, VRFs), and secure multi-cloud networking across ...

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Job Overview

Job Type: Full-time
Location: Australia, Australia
Posted: March 03, 2026
Deadline: April 12, 2026