Senior Security Engineer: Architect Secure Cloud & Guardian Program

Amazon Web Services (AWS); Council of the City of Sydney; On-site; AUD 140,000 - 210,000; Full time

Benefits offered by this job

Learning & development support

Health, income protection & life cover

Military differential pay (Australia)

Employee Assistance Program

Family-building benefit

Employee discounts

Job summary

Amazon Web Services Australia Pty Ltd is seeking a Senior Security Engineer to weave security into every build across services for Australia’s national security capability. You’ll own threat modelling, lead a Developer Advocate for Security, and scale security practices across teams while shaping AI-enabled security strategies.

You will mentor builders, drive security reviews end-to-end, and codify secure-by-design principles to accelerate safe delivery at scale in a national context.

Qualifications

• Australian citizenship or eligibility for Australian Government security clearance.
• Ability to complete an Organisational Suitability Assessment.
• Experience leading threat modelling and security architecture.

Responsibilities

• Own threat modelling across a portfolio of services using STRIDE and CAPEC; translate findings into pragmatic mitigations.
• Establish and lead the Security Guardians programme; train and mentor security champions embedded in builder teams.
• Drive end-to-end security outcomes from design reviews and security assessments through remediation tracking.
• Review code, scripts, and detection mechanisms; develop repeatable runbooks for secure design and deployment.

Skills

Threat modelling

Security leadership

Code review

Security risk mgmt

AI security

Tools

STRIDE

CAPEC

Job description

Amazon Web Services Australia Pty Ltd is seeking a Senior Security Engineer to weave security into every build across services for Australia’s national security capability. You’ll own threat modelling, lead a Developer Advocate for Security, and scale security practices across teams while shaping AI-enabled security strategies.

You will mentor builders, drive security reviews end-to-end, and codify secure-by-design principles to accelerate safe delivery at scale in a national context.