Principal OT Cyber Security Adviser

Subscribe to job alerts; City of Brisbane; Hybrid; AUD 125,000 - 150,000; Full time

Job summary

A leading rail operator in Australia is seeking an OT Cyber Security Lead to enhance and govern operational technology security. Responsibilities include developing standards compliant with IEC 62443 and managing risk assessments and security reviews. The ideal candidate possesses a relevant degree, has over 10 years of technical experience, and hands-on knowledge of OT technologies. The role offers development opportunities and a collaborative, inclusive work environment.

Benefits

Development and growth opportunities

Discounts on health insurance and retail

Parental leave program

Qualifications

• 10 years in technical roles with 7 years in cyber / information security including OT exposure.
• Proven application of IEC 62443 and familiarity with NIST 800‑53 / 800‑82.
• Strong knowledge of OT technologies and protocols.

Responsibilities

• Lead the uplift of Operational Technology (OT) cyber across a complex rail environment.
• Develop and maintain OT cyber standards patterns and controls.
• Conduct threat / risk assessments and security reviews for suppliers.

Skills

Cybersecurity

Risk assessment

Technical communication

Education

Degree in Cyber / IT / Engineering

Tools

SCADA

ICS

LDAP

SSO

Job description

Location : Brisbane (Hybrid)

Remuneration : Competitive package bonus eligibility

• Impact at national scale protecting critical rail operations.
• Complex OT challenges with genuine executive backing.
• Hybrid work supportive team culture and professional development.

About the role

Lead the uplift of Operational Technology (OT) cyber across a complex rail environment. Youll set the standard for OT security (SCADA / ICS / industrial IoT) design and govern controls aligned to IEC 62443 and partner with frontline leaders to embed secure‑by‑design practices that protect safe reliable operations.

Key responsibilities

• Develop and maintain OT cyber standards patterns and controls that meet organisational and regulatory requirements.
• Own adherence to the OT Cyber Security Architecture under IEC 62443.
• Drive maturity uplift and governance across critical OT assets and maintenance practices.
• Provide authoritative advice on OT control requirements policy and risk.
• Design future‑state controls and integrations (identity / LDAP / SSO APIs mail event management).
• Conduct threat / risk assessments and security reviews for suppliers SaaS and integrations.
• Lead targeted vulnerability reduction across critical OT platforms.
• Build maintain and test OT incident response plans with cross‑functional teams.
• Perform and oversee security testing / assessments to proactively identify and address vulnerabilities.

About you

• Relevant degree (Cyber / IT / Engineering or similar).
• 10 years in technical roles with 7 years in cyber / information security including OT exposure.
• Proven application of IEC 62443 and familiarity with NIST 800‑53 / 800‑82.
• Hands‑on experience integrating controls with common enterprise services (LDAP / SSO web / API mail event management).
• Strong knowledge of OT technologies and protocols (SCADA ICS industrial IoT).
• Organised analytical and able to translate risk into clear decisions and actions.
• Confident communicator who influences across frontline engineering operations and IT.

What we offer you

At Aurizon we support the development and growth of our employees. With a national portfolio of operations we offer long‑term and exciting career opportunities.

Some of our benefits include

• Development and growth opportunities.
• Access to mentoring and development programs.
• Discounts on selected health insurance funds, personal travel, gyms, vehicles and retail brands.
• Parental leave program and super booster.

About Aurizon.

is Australias largest rail freight operator and a top 100 ASX year we deliver more than 250 million tonnes of Australian commodities right across the country. Aurizon is crucial to the Australian economy connecting miners primary producers and industry with international and domestic markets.

Look to Aurizon for a diverse and collaborative culture.

At Aurizon we are proud of our diverse collaborative creative and high‑performance culture. We celebrate the contribution of every employee and provide opportunities for career development in a dynamic caring and inclusive work environment.