Security Architect

12-month fixed-term contract (annual salary) Sydney CBD Hybrid

We are looking for an experienced Security Architect to join Avant on a 12-month fixed-term contract, providing practical, delivery-focused security architecture across enterprise projects, technology platforms and security services. Reporting to the Senior Manager Security Engineering, you will play a key role in strengthening Avant's enterprise security architecture capability while embedding secure-by-design practices across technology initiatives. You will work across both enterprise security architecture and hands-on solution delivery, partnering with Security Engineering, Cyber Defence, Enterprise Architecture, Solution Architecture and delivery teams to ensure security designs are pragmatic, proportionate to risk and able to be implemented and supported effectively.

Key activities:

• Develop and mature security architecture frameworks, standards, reference architectures, reusable patterns and design guardrails
• Provide secure-by-design architecture support across projects from discovery through to implementation
• Lead threat modelling, security architecture reviews, risk and control gap assessments
• Define practical and testable security requirements for technology solutions
• Provide end-to-end solution architecture for new and existing security platforms and services
• Assess security products and services and support selection, implementation and integratio
• Develop reusable security patterns and support the onboarding of technology services to security platform
• Identify technical debt, security control gaps and opportunities to simplify or strengthen the security environment
• Provide trusted security architecture advice across technical, delivery, risk and business stakeholder

Skills and experience required:

• Substantial experience as a Security Architect, Cyber Security Architect or senior security engineering professional with strong architecture experience in a complex enterprise environment.
• Broad security expertise across areas such as IAM/PAM, cloud, network, application/API and infrastructure security, data protection/DLP, vulnerability management, SIEM/SOAR, DevSecOps, security resilience and AI security.
• Experience within an APRA-regulated environment and knowledge of CPS 230 and CPS 234 will be highly regarded, as will certifications such as CISSP, CISSP-ISSAP, SABSA, TOGAF, CCSP or CISM.

About Avant

Avant is Australia's leading medical defence organisation, proudly supporting medical professionals for over 130 years. With more than 100,000 members, including health practitioners and medical students across every state and territory, we provide trusted, market-leading products and services tailored to their professional, personal, and practice needs. Join an organisation with purpose, one that genuinely exists to support its members and improve healthcare in Australia. You'll work with committed, passionate colleagues in an environment that values both rigour and collaboration.