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 freight operator in Australia is seeking an experienced OT Cyber Security Lead. This role involves developing and maintaining OT cyber standards and controls, ensuring security compliance under IEC 62443. The ideal candidate will have over 10 years in technical roles, with significant exposure to cyber security and a relevant degree. The company offers attractive benefits, professional development, and a collaborative work environment.

Benefits

Development and growth opportunities

Access to mentoring programs

Discounts on health insurance and travel

Qualifications

• 10 years in technical roles with 7 years in cyber / information security.
• Proven application of IEC 62443 and familiarity with NIST 800-53 / 800-82.
• Hands-on experience integrating controls with enterprise services.

Responsibilities

• Develop and maintain OT cyber standards and controls.
• Drive governance across critical OT assets and maintenance practices.
• Conduct threat/risk assessments and lead vulnerability reduction.

Skills

IEC 62443 expertise

Cyber security

Analytical skills

Communication skills

Education

Relevant degree (Cyber / IT / Engineering)

Tools

SCADA

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 / IC… ) 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.

Employment Type: Full-Time

Experience: years

Vacancy: 1