Analyst - Cyber Defence

Origin Energy Services Ltd; Brisbane; On-site; AUD 90,000 - 130,000; Full time

Job summary

Origin Energy Limited is seeking an Analyst – Cyber Defence to strengthen security resilience by monitoring threats, investigating incidents and coordinating responses across endpoint, network, identity and cloud environments. You'll work with technology and business teams to contain threats, improve detections and maintain reliable security tooling, with hands-on investigations and clear records.

Candidates should have degree in IT or InfoSec and experience with SIEM/EDR, cloud security and

Qualifications

• Hands-on cyber security experience or related tech field.
• Familiarity with SIEM, EDR, cloud security tools and log analysis.
• Strong problem-solving and communication skills under pressure.
• Degree in Information Security, IT, Engineering or Computer Science, or equivalent experience.

Responsibilities

• Monitor and tune security tools, triaging alerts and escalating threats by risk.
• Investigate incidents, gather evidence and coordinate containment and response with owners.
• Conduct proactive threat hunting using telemetry and logs to uncover suspicious activity.
• Assess advisories and support improvements to security controls.
• Maintain reliable tooling and clear investigation records to improve detections.

Skills

Cyber security experience

SIEM/EDR

Cloud security

Communication skills

Education

Bachelor's degree in Information Security/IT/Engineering/CS

Tools

SIEM

EDR

Cloud security tooling

Job description

Select how often (in days) to receive an alert:

• Detect, investigate and respond to cyber threats, helping protect Origin's customers and critical as
• Multiple Opportunities - permanent and secondment
• Brisbane/Melbourne/Sydneybased

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 Analyst – Cyber Defence, you’ll help strengthen Origin’s security resilience by monitoring threats, investigating suspicious activity and responding to incidents across endpoint, network, identity and cloud environments. You’ll work with technology and business teams to contain threats, improve detections and keep security tools operating reliably. Your investigative skills and practical judgement will help turn security signals into timely action.

Key responsibilities

• Monitor and tune security tools, triaging alerts and escalating threats based on risk and business impact.
• Investigate incidents, gather evidence and coordinate containment and response actions with system owners.
• Conduct proactive threat hunting using telemetry, behavioural analysis and logs to uncover suspicious activity and control gaps.
• Assess threat and vulnerability advisories, supporting priority responses and improvements to security controls.
• Maintain reliable security tooling and clear investigation records, sharing insights to improve detections and operational processes.

About you

You’re curious, analytical and calm under pressure. You enjoy investigating complex issues, learning new techniques and working with others to resolve problems.

You’ll bring:

• Hands-on cyber security experience or substantial experience in a related technology field, such as OT, cloud, end-user computing or network infrastructure.
• Familiarity with SIEM, EDR, cloud security tools and log analysis. Working knowledge of cloud, identity and endpoint security, vulnerabilities and attacker techniques.
• Strong problem-solving and communication skills, with the ability to prioritise and make sound decisions under pressure.
• A relevant degree in Information Security, IT, Engineering or Computer Science, or equivalent experience.

Security or cloud certifications and training in incident response or threat hunting would be valuable.

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.