Senior Security Platform Engineer (Data Security)

Singtel

Full-time Computer Occupations
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Location
Australia, New South Wales, Australia
Posted
July 06, 2026

Job Description

*We are open to applicants from: Sydney, Melnourne, Brisbane & Adelaide


At Optus, our role is to connect millions of Australians daily and securing that connection starts by maintaining the integrity of our security platforms. We're looking for a Senior Security Platform Engineer to lead the configuration standards, enforcement policy, and platform engineering decisions that underpin our proxy, endpoint, and email threat prevention systems.

This is not a platform administration role. This is an engineering-first position where you define the standard, drive the governance, and hold accountability for the security outcome while partnering with Technology and Infrastructure teams who lead day-to-day implementation.

You'll sit at the intersection of governance and technical depth, representing platform engineering at the Traffic Governance Board, translating complex governance decisions into detailed engineering requirements, and ensuring...