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Cybersecurity Architect

Melbourne, Victoria💼 Full-time🗓 2026-09-07 → 2026-09-24

Core

Lead the design, implementation, and maintenance of secure OT architectures for a major rail project in Victoria, ensuring safety and service continuity for critical rail infrastructure.

Role type

Senior IC Cybersecurity Architect (OT/Critical Infrastructure)

Builds

Secure OT architectures, security controls, and risk mitigation strategies for rail transport systems

Domain

Rail transportation / OT Cybersecurity / Critical Infrastructure

Deliverable

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

Required skills

OT cybersecurity architecture, risk assessment, ISA/IEC 62443 standards, zone and conduit modelling, vulnerability management, third-party vendor security management, incident response, secure architecture design, defence-in-depth, network segmentation

Preferred skills

Cyber-physical risk assessment, cloud connectivity security, data lake integration, intrusion testing techniques, AD/RADIUS authentication

Technologies

Firewalls, IDS/IPS, EDR, jump servers, virtualisation security, proxy connections, cloud connectivity, data lake integration, AD/RADIUS

Responsibilities

Lead security analysis and define cybersecurity requirements and architecture for solutions; Design and maintain resilient, threat-resistant security architectures; Conduct risk assessments, implement security controls, and evaluate solutions; Manage cybersecurity aspects of third-party vendors and oversee vulnerability management; Respond to security incidents and deliver post-incident analysis; Monitor emerging cyber threats, trends, and technologies.

Seniority

Senior, hands-on IC

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