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Sr Security Engineer, Region Services

Sydney, New South Wales💼 Full-time🗓 2026-09-17 → 2026-09-27

Core

Architecting distributed security ownership and embedding security into the DNA of a portfolio of services underpinning Australia's national security capability.

Role type

Senior Security Engineering Lead (Developer Advocate for Security)

Builds

A model of distributed security ownership, Security Guardians programme, and secure-by-design frameworks for national security services.

Domain

National Security / Cloud Infrastructure / Generative AI

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure

Required skills

Threat modelling (STRIDE, CAPEC), Security architecture, Code review, Penetration testing coordination, Runbook creation, Security strategy, Mentoring, Generative AI proficiency

Preferred skills

Security Guardians programme leadership, Risk communication, Secure design patterns

Technologies

AWS cloud services, Generative AI tools

Responsibilities

Own threat modelling across critical services; Lead the Security Guardians programme to train and mentor security champions; Drive end-to-end security outcomes from design reviews to remediation; Construct security and system runbooks; Influence security strategy across partner organisations; Mentor system engineers and builders; Communicate security risk to senior leadership; Accelerate Generative AI proficiency in engineering teams.

Seniority

Senior, hands-on IC with mentorship and strategy responsibilities

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