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Senior Security Platform Engineer - SIEM and SOAR

Singtel

Australia, New South Wales, Australia Full-time July 11, 2026

Opportunity Description

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


At Optus, we're focused on building resilient, modern security capabilities that help protect our customers, people, and business. We're looking for a Senior Security Platform Engineer – SIEM & SOAR to help engineer and evolve the enterprise platforms that power our cyber defence operations.

This is a hands-on engineering role for someone who enjoys solving complex technical challenges, automating everything possible, and building scalable security platforms that enable faster and more effective threat detection and response.

What You’ll Do

  • Design, build, and maintain enterprise SIEM and SOAR platforms that support critical cyber defence operations across the business. 

  • Onboard, normalise, and enrich security telemetry from a broad range of systems, ensuring hig...
  • Full-time Computer Occupations

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