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About the Role

As an Engineer – OT Cyber Security, you'll help secure the Operational Technology (OT) environments that support Origin's critical energy infrastructure. Working closely with cyber security, infrastructure and OT engineering teams, you'll design, implement and continuously improve secure solutions that keep our operational systems resilient, compliant and available.

Responsibilities

• Design and implement cyber security controls across OT infrastructure, Windows Server and Active Directory environments.
• Partner with OT, infrastructure and cyber security teams to deliver secure-by-design solutions across the full technology lifecycle.
• Strengthen identity, authentication and privileged access controls to reduce cyber risk across operational environments.
• Support cyber incident response, vulnerability management and continuous improvement initiatives.
• Contribute to audit, regulatory compliance and the ongoing uplift of Origin's OT cyber security capability.

Requirements

• Demonstrated experience securing Operational Technology, industrial control systems or critical infrastructure environments.
• Strong expertise in Windows Server, Active Directory, Group Policy and identity and access management.
• Experience implementing role-based access, least-privilege principles and privileged account management.
• Knowledge of OT cyber security frameworks such as IEC 62443, NIST or Essential Eight.
• Strong communication and problem-solving skills, with the ability to collaborate across engineering and operational teams to deliver practical security outcomes.

Skills

• OT Cyber Security
• Windows Server
• Active Directory
• Group Policy
• Identity and Access Management
• IEC 62443
• NIST
• Essential Eight
• Communication
• Problem-solving

Location

• Adelaide
• Brisbane
• Melbourne
• Sydney

Work Type

• Full-time

Experience Level

• Lead

About the Company

• At Origin, being useful is more than a tagline - it’s how we approach work every day. As a collective, we’re a team that thrives on finding better ways, working together, and owning our impact. From powering homes to delivering award-winning internet and helping to lead Australia’s energy transition. If you’re driven by purpose and excited to be part of something bigger, we’d love to have you on the journey.
• At Origin, we’re powered by people who believe in creating change.

Equal Opportunity

• We are committed to fostering a diverse, gender equitable workforce, where everyone is welcome, and all applications are evaluated on merit and potential. We encourage applications from Aboriginal and Torres Strait Islander Peoples, people living with disabilities, culturally diverse people, any stage in life, people with intersex variations and people within LGBTQ+ communities, including trans and gender diverse.
• Origin recognises Aboriginal and Torres Strait Islander Peoples as the Traditional Custodians of country throughout Australia, and we pay our respects to Elders past, present and future.