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

As a Security Platform Engineer – Microsegmentation, you will be responsible for designing, implementing, and continuously enhancing Optus' enterprise microsegmentation capability to strengthen network security and reduce the risk of lateral movement by attackers. Working within the Cybersecurity Platform Engineering team, you will map application communication flows, develop and enforce segmentation policies, and integrate the microsegmentation platform with the broader security ecosystem to improve visibility, control, and protection across the enterprise environment.

This is a hands-on engineering role focused on building a new security capability from the ground up. You will collaborate closely with Cybersecurity, Network Engineering, and Telco Network Engineering teams ...