Chief Information Security Officer

Greater Western Water

Chief Information Security Officer managing enterprise-wide cyber security for Greater Western Water. Developing strategies to address threats across IT and operational technology environments with leadership oversight.

Posted 6/19/2026full-timeFootscray • 🇦🇺 AustraliaLeadWebsite

Tech Stack

Tools & technologies

Cyber Security

About the role

Key responsibilities & impact

Develop and deliver an enterprise-wide cyber security strategy and roadmap aligned to business objectives, addressing current and emerging threats across IT, OT (Operational Technology), and third-party environments.
Embed a strong security-conscious culture through engaging, business-friendly initiatives and organisation-wide cyber security exercises.
Oversee security risk management, ensuring effective identification, mitigation, and governance of risks and issues.
Provide clear reporting and insights to the CIO, Board, and committees on cyber posture, performance, and emerging threats.
Lead day-to-day security operations, including continuous threat monitoring and proactive response to minimise risk.
Provide technical leadership during cyber incidents to ensure effective response and minimal business disruption.
Establish and maintain security policies, standards, architecture, and incident response frameworks.
Partner with the CIO to demonstrate the value and impact of cyber security initiatives and roadmap delivery.
Build and lead a high-performing team, fostering accountability, continuous improvement, and capability development.
Translate strategy into a clear operating plan, contributing to enterprise decision-making and aligning security outcomes with organisational priorities.
Build strong senior stakeholder relationships and effectively manage and escalate emerging issues.
Champion a culture of safety, wellbeing, diversity, and inclusion while supporting employee growth and development.

Requirements

What you’ll need

Experience across both IT and OT environments, including securing industrial control systems and critical infrastructure.
Proven experience developing and delivering enterprise cyber security strategies and roadmaps.
7+ years’ leadership experience managing cyber security functions and teams.
Strong executive communication skills, able to translate technical risks into business impact and value.
Demonstrated ability to lead complex cyber programs and provide strategic thought leadership.
Expert knowledge of security frameworks (e.g. NIST, ISO 27001, ISM) and hands-on implementation of standards such as NIST CSF, Essential Eight, PCI-DSS or COBIT.
Financial acumen to manage and optimise cyber security budgets.
Experience leading cyber incident and breach response.
Relevant tertiary qualifications and industry certifications (e.g. ISACA, ISC2).
Desirable: knowledge of critical infrastructure regulations (e.g. SOCI Act) and Operational Technology environments (e.g. Purdue model).

Benefits

Comp & perks

We embrace flexibility and connection with a balance of on-site and WFH
Free onsite parking (subject to availability)
Gender neutral, 16-week parental leave available from commencement
Monthly work life balance day off to treat yourself (if full-time)
Free income protection and salary continuance insurance
Access to corporate health insurance deals with major providers
Wellbeing, prayer, and sensory rooms in the Footscray and Sunbury office

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

cyber security strategyrisk managementincident responsesecurity frameworksNISTISO 27001NIST CSFEssential EightPCI-DSSCOBIT

Soft Skills

executive communicationleadershipstakeholder managementteam buildingstrategic thought leadershipaccountabilitycontinuous improvementemployee growthculture of safetydiversity and inclusion

Certifications

ISACAISC2