Head of Cyber Defence

Date: 13 Oct 2025

Location: Brisbane, QLD, AU, 4000 Melbourne, VIC, AU, 3000

Company: Origin Energy Services Ltd

  • Lead Origin's Cyber Defence Strategy, shaping resilience and trust 
  • Drive proactive threat preventions and set the vision for Cyber Security 
  • Brisbane or Melbourne based

 

Join a team that's All Kinds of Useful

 

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.

 

 

About the role:

As the Head of Cyber Defence, you’ll safeguard our business, people, and customers from evolving cyber risks by leading the strategy, development, and delivery of Origin’s Threat Defence and Response capability.

 

This pivotal role leads a highly capable Cyber Threat Management function, encompassing Security Operations, Data Loss Prevention, Threat and Adversary Simulations, and Cyber Incident Response. The function is distinguished by an integrated Threat Intelligence and Rapid Detection Engineering capability, enabling proactive identification and mitigation of emerging risks.

 

This role also partners closely with an industry-leading DevOps engineering team and leverages a unique cyber defence technology stack- maximising reach, usability, and cost-effectiveness to deliver robust, responsive protection aligned with business priorities and regulatory obligations.

 

Roles & Responsibilities

 

  • Represent Origin in engagements with government, regulatory, and industry bodies, ensuring compliance with cybersecurity obligations and influencing external cyber policy discussions.
  • Oversee key vendor and MSSP relationships, ensuring SLAs and performance standards are met to deliver resilient cyber defence capabilities.
  • Partner with senior leaders across the business to enhance security controls, incident readiness, and alignment of cyber initiatives with enterprise priorities.
  • Lead the design and execution of Origin’s Cyber Threat Detection & Response framework, including SOC, SIEM, endpoint, email, and automation platforms.
  • Maintain robust 24x7 security monitoring and incident response capabilities across IT and OT environments, minimising business impact from cyber threats.
  • Direct cross-functional cyber incident management and response exercises, ensuring compliance with SOCI and other regulatory obligations.
  • Drive the development of cybersecurity policies, standards, and governance frameworks, embedding best practices across the organisation.
  • Sponsor strategic cybersecurity uplift programs, fostering collaboration with industry peers and advancing Origin’s overall cyber resilience.

 

 

Skills & Requirements

You’ll be a hands-on and strategic leader, having experience with collaborating closely with teams across IAM, Security Engineering, and wider Technology teams to strengthen security posture and drive continuous improvement.

 

  • Extensive experience with cyber defence concepts and technologies, including SIEM, SOAR, EDR, NGFW, OT/ICS security.
  • Strong understanding of applicable governance, regulatory compliance, and risk management frameworks such as AESCSF, SOC CMM, ISO27001.
  • Exceptional written and verbal communication skills, capable of explaining complex cyber defence / threat management concepts to both technical and non-technical stakeholders.
  • Strong interpersonal skills, with the ability to work effectively with cross-functional teams and external partners.

 

So, why join us?

 

  • 20 weeks of paid leave for primary carers with flexible return options. 
  • Thrive in a culture of personal and professional growth. 
  • Enjoy a central CBD location with access to parking and public transport. 
  • Purchase up to four additional weeks of leave annually. 
  • Engage in opportunities through the Origin Foundation to support your community. 
  • Powering your career with unbeatable perks - Get discounted electricity, gas, and internet as an Origin employee. 
  • Explore unique and cost-effective employee EV Car subscriptions. 

 

 

Origin - Where good change happens

 

At Origin, we’re powered by people who believe in creating change.


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. 
 

Enjoy a challenging career in an exciting industry where you can grow and explore your potential. If you think you have transferable skills, an appetite to learn and would be a great fit, we’d love to hear from you. 


Here's a little about us: https://www.originenergy.com.au/about/careers/

 

Background checks may be required to determine your suitability for this position as part of the recruitment process and during your employment. These checks may include police checks, AusCheck, medical assessment and/or drug and alcohol testing.

 

Please note unsolicited CVs from agencies will not be accepted.

 

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.