Senior Security Engineer

The Decipher Bureau · Australia, New South Wales, Australia

Location
Australia
Job Type
Full time
Posted
June 28, 2026

Job Description

he Company
We are partnering with one of Australia's most established fintechs, with headquarters in Australia and a global reach. Two years into a significant cyber and technology transformation, cloud security is at the heart of what comes next.
  
This role:
This is a senior individual contributor role inside a lean, high-trust security team. You'll be the 2ic and report directly to the Head of Security, mentor two junior engineers, and be the technical anchor for cloud security decisions across the business. You'll be shaping how a cloud-first fintech secures itself at scale.
  
Around 50% will be hands-on cloud security engineering - AWS is the primary environment, with Azure covering one business unit and M365 across the organisation. You'll own our cloud security posture, support IAM and incident response, and be a key player in our XDR consolidation.
  
The responsibilities:

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