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Domain Security Architect – Infrastructure & Networks

Sydney, New South Wales💼 Full-time🗓 2026-09-25 → 2026-09-26

Core

Shape the security architecture and cyber roadmap for Australia's critical payments and banking infrastructure and network platforms.

Role type

Senior Domain Security Architect (Infrastructure & Networks)

Builds

Secure server, virtualisation, and network platforms underpinning critical financial services

Domain

Financial Services / Cybersecurity / Network Infrastructure

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

Infrastructure security architecture, Network security (routing, switching, firewalls, SD-WAN, SASE), Zero Trust design, Risk assessment, Threat modelling, Stakeholder engagement, Strategic roadmap planning

Preferred skills

CISSP, CCIE Security, TOGAF, ASD ISM, Essential Eight, CPS 234 compliance

Technologies

Cisco, F5, VMware vSphere, Linux, Windows Server, Azure, Kubernetes, Active Directory/Entra ID

Responsibilities

Lead cyber strategy and multi-year roadmap for infrastructure and network domains; Define segmentation and zero trust network architecture; Design secure technology solutions aligned with regulatory frameworks; Conduct security risk assessments and threat modelling; Author security reference architectures and hardening guidelines; Partner with operations teams to drive remediation and compliance; Represent Cyber to technology and business stakeholders

Seniority

Senior, hands-on IC with strategic leadership

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