Senior Security Ops Engineer Network & Perimeter Security

There has never been a more exciting time to join Endeavour Energy.

More than 2.7 million people across New South Wales rely on us every day to deliver safe and reliable electricity to their homes and businesses. With over 1,700 employees across our network, we are one of the largest employers in Greater Western Sydney.

You don't need prior energy industry experience to succeed with us. We are looking for talented professionals who embrace challenge, value collaboration, and are passionate about making a difference. Together, we're leading the transition to smarter, cleaner, and more sustainable energy solutions for our customers and communities.

About the Role

As a Senior Security Operations Engineer – Network & Perimeter Security, you will play a critical role in protecting Endeavour Energy's Information Technology (IT) and Operational Technology (OT) environments.

You will be responsible for maintaining and enhancing security controls, leading incident response activities, conducting threat analysis and investigations, and driving improvements across our security infrastructure. This hands-on technical role requires extensive experience across network and perimeter security technologies and a strong understanding of cybersecurity operations.

You will also contribute to the delivery of security projects, influence security strategy and roadmaps, and provide technical leadership to the broader Security Operations team. As a senior member of the team, you may mentor junior engineers, support operational capability development, and act as an escalation point in the absence of the Security Operations Manager.

As Endeavour Energy operates 24/7, participation in an on-call roster for major incident escalation may be required.

Key Responsibilities

Security Operations & Continuous Improvement

• Assess and strengthen security controls across IT and OT environments to protect against evolving cyber threats.
• Drive continuous improvement initiatives to enhance security operations and reduce organisational risk.
• Optimise and maintain security technologies including firewalls, load balancers, web proxies, VPNs, and vulnerability management platforms.
• Identify opportunities to improve cybersecurity resilience and operational efficiency.

Operational Support & Service Delivery

• Provide Level 2 and Level 3 support for security-related incidents, problems, and changes in accordance with service level agreements.
• Ensure security platforms are effectively integrated with the broader technology environment.
• Support operational stability, performance, and resilience of security infrastructure.

Technical Leadership

• Configure, maintain, and optimise network security technologies, including firewalls, load balancers, web application firewalls, and network segmentation controls.
• Enhance vulnerability management capabilities across the enterprise.
• Leverage expertise in Secure Access Service Edge (SASE), including Security Service Edge (SSE) and SD-WAN technologies.
• Develop and enforce security policies and standards to safeguard network traffic and organisational data.
• Provide technical guidance and leadership within the Security Operations team.

Stakeholder Collaboration

• Partner with IT, OT, infrastructure, and project teams to ensure security requirements are embedded into solutions and services.
• Support compliance with ISO 27001, the Australian Energy Sector Cyber Security Framework (AESCSF), and other relevant regulatory and industry frameworks.
• Build strong relationships with internal stakeholders and external vendors.

Incident Response

• Lead and coordinate responses to high-priority security incidents.
• Represent Security Operations in incident management and response forums.
• Conduct analysis of significant security events and coordinate investigation activities with threat hunting and cyber defence teams.
• Provide expert advice and recommendations for remediation and risk mitigation.

Qualifications & Certifications

Essential

• Bachelor's degree in Cyber Security, Computer Science, Information Technology, or a related discipline, or equivalent industry experience.

Desirable

• Vendor certifications across technologies such as Palo Alto, F5, VMware NSX, Netskope, Zscaler, or Forcepoint.
• Certified Information Systems Security Professional (CISSP) certification.

Skills & Experience

Essential

• Minimum 5 years' experience in Security Operations or Cyber Security Engineering.
• Strong hands-on experience with:
• Network and perimeter security technologies
• Palo Alto and Check Point firewalls
• VMware NSX Firewall
• AVI Load Balancer
• Secure Web Gateways and web proxy solutions
• SSE and SD-WAN technologies
• Azure Web Application Firewall (WAF)
• Vulnerability management platforms
• Experience supporting incident response and security operations in complex enterprise environments.
• Knowledge of ISO 27001 security controls and governance frameworks.

Desirable

• Experience working within Operational Technology (OT) environments.
• Knowledge of the Australian Energy Sector Cyber Security Framework (AESCSF).
• Experience within critical infrastructure or highly regulated industries.

Why Join Us?

When we power together, we achieve more.

At Endeavour Energy, diversity, inclusion, and belonging are at the heart of our culture. We are committed to creating a workplace where everyone feels safe, valued, respected, and empowered to contribute their best.

As a critical infrastructure organisation, Endeavour Energy conducts background screening and suitability assessments as part of the recruitment process to help protect our people, customers, and assets.

For further information, please contact: recruitment@endeavourenergy.com.au

Applications close: 5 July 2026