Sr Enterprise Security Architect

Job Summary

Senior Enterprise Security Architect

Job Type

Permanent

Role Overview

Role: NABs Domain Delivery Cycle requires architecture to be embedded early in the delivery chain - shaping and assessing the pipeline of Business Outcomes and Epics, preventing ill-formed work from entering the backlog, and ensuring solutions align with technology strategy and patterns.

Essential capabilities

• Produce and maintain the Domain Roadmap, defining transition states and sequencing to realise target state.
• Work with domain stakeholders and Product Owners to prioritise the delivery slate based on risk, cost, and strategic alignment.
• Function as the recognised SME on projects within the domain - providing technical authority and influencing project and domain stakeholders, documenting and approving solution architectures.
• Engage impacted Lead Domain Architects for cross-domain solutions.
• Work with delivery teams and Epic Solution Engineers to preserve architectural intent through build and deployment.
• Support the Enterprise Security Architect with delivery-informed input into target state evolution.
• Maintain domain artefacts - policies, NFRs, patterns, processes, and enterprise security architecture.
• Maintain domain assets and architecture information in CMDB.

Experience

• 20+ years experience in technology or security roles, with a significant portion in solution architecture, technical delivery, or hands-on security engineering within the relevant domain.
• Demonstrated experience producing domain or capability roadmaps that informed investment prioritisation and delivery sequencing within a large, complex enterprise.
• Demonstrated experience functioning as an architectural SME on projects - providing technical authority, shaping solution direction, and influencing project stakeholders to adopt sound architectural approaches.
• Demonstrated experience working with domain leadership and product owners to prioritise and sequence the delivery slate, balancing competing demands across risk, cost, and strategic alignment.
• Experience providing architectural oversight across concurrent projects, including solution endorsement, options assessment, and tech debt governance.
• Experience working within structured delivery cycles - embedded alongside product owners, delivery teams, and engineering in an agile environment.
• Experience in Australian financial services or similarly regulated industries preferred.