A tier one client is scaling a lean, high impact security architecture team as it pushes deeper into cloud native engineering and AI assurance.

This is a 12 month contract for a senior security architect who wants genuine breadth across cloud, API security and Kubernetes, on a modern stack with real influence from day one.

This is a daily rate 12 month contract which can be based in Sydney, Melbourne or Brisbane, on a hybrid working arrangement.

This is a team that stays close to the global security landscape and works hands on with the technologies shaping it.

You will shape secure by design outcomes on current initiatives, assess existing platforms, identify and rate risk against the organisation’s appetite, and lend expert views where teams need them. This suits a senior architect who wants breadth, autonomy and a contemporary technical canvas rather than a narrow lane.

Core Responsibilities:
Partner with delivery teams early to embed security into design across a cloud native estate




Assess platforms and designs; identify risks and the changes needed to close them
Identify control gaps; contextualise against risk appetite; rate and publish
Provide expert consultancy on specific security and regulatory questions
Contribute advisory input to incident response where required

Experience Required:
Strong cloud security experience in a contemporary cloud native environment; AWS Or GCP
Demonstrable API security depth; API contracts, threats and controls
Experience with microservices and managed Kubernetes such as GKE or EKS
Application security grounding including OWASP threats
Genuine understanding of agentic AI and its security risks; agent workflows and frameworks

Why This Role
Modern, fully cloud native stack with real technical breadth
High impact seat in a lean, well regarded team
Exposure to emerging AI assurance work in a tier one workplace
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📌 Senior Security Architect Contract City Of Sydney
🏢 Decipher Bureau
📍 City of Sydney