Enterprise Security Architect - Hybrid, Cloud & OT

Chandler Macleod Group; City of Melbourne; Hybrid; AUD 150,000 - 190,000; Full time

Job summary

Chandler Macleod Group is partnering with AGL to identify an experienced Security Architect for a six-month contract in Melbourne CBD in a hybrid setup. The role shapes and governs enterprise security architecture across cloud, OT, and on-premises environments, ensuring security is embedded into technology strategy and delivery.

You will lead threat modelling, risk assessments, and secure solution design, collaborating with technology, risk, and project teams to deliver secure-by-design outcomes.

Qualifications

• Proven experience in a Security Architect role within large and complex enterprise environments.
• Strong understanding of SABSA, TOGAF, NIST CSF, ISO 27001.
• Experience designing secure architectures across AWS, Azure and/or GCP in hybrid/on-prem environments.
• Hands-on threat modelling and risk assessments.
• Excellent stakeholder engagement and communication with leaders.
• Experience using ArchiMate, Visio, or Lucidchart for architecture diagrams.
• Tertiary qualification in Cyber Security, Information Technology, Computer Science, or a related discipline.

Responsibilities

• Develop and maintain security architecture standards, principles, patterns, and reference architectures.
• Provide expert security architecture guidance across cloud, hybrid, on-premises, and OT environments.
• Conduct security architecture reviews for major programs and technology initiatives.
• Lead threat modelling, security risk assessments, and secure solution design activities.
• Define and oversee implementation of security controls across IAM, Network Security, Application Security, Data Protection, Security Monitoring, Zero Trust Architectures.
• Contribute to architecture governance and security decision-making forums.
• Produce high-quality security architecture artefacts including roadmaps, diagrams, and threat models.
• Partner with enterprise architects, project teams, cyber security specialists, and business stakeholders to embed security throughout the delivery lifecycle.
• Provide recommendations on security risks, mitigations, and compensating controls.
• Stay abreast of emerging threats, technologies, and regulatory requirements.

Skills

Security Architecture

Threat Modelling

Risk Assessments

Cloud Security

IAM

Network Security

Application Security

Data Protection

Security Monitoring

Zero Trust

Education

Tertiary qualification in Cyber Security/IT/CS

Tools

ArchiMate

Visio

Lucidchart

Job description

Chandler Macleod Group is partnering with AGL to identify an experienced Security Architect for a six-month contract in Melbourne CBD in a hybrid setup. The role shapes and governs enterprise security architecture across cloud, OT, and on-premises environments, ensuring security is embedded into technology strategy and delivery.

You will lead threat modelling, risk assessments, and secure solution design, collaborating with technology, risk, and project teams to deliver secure-by-design outcomes.