Security Operations Engineer

Charterhouse; Sydney; Hybrid; AUD 110,000 - 150,000; Full time

Job summary

Charterhouse is seeking an experienced Security Engineer to join a major cyber resilience programme in a large enterprise environment in Sydney. The role is hands-on, focusing on security operations engineering, detection and response automation, web application protection and network segmentation.

You will work with internal security teams and external partners to strengthen controls, enhance threat detection and deliver key cyber resilience initiatives across the organisation.

Qualifications

• Hands-on experience with Microsoft Sentinel and advanced KQL.
• Experience building security orchestration and automated responses using Azure Logic Apps.
• Experience administering Akamai WAF and tuning protections.
• Experience implementing enterprise micro-segmentation and policy enforcement.
• Strong understanding of security ops, threat detection, incident response and vulnerability management.
• Knowledge of enterprise network security, firewalls, access controls, and hybrid environments.
• Experience delivering security improvements in complex enterprise programmes.
• Strong troubleshooting, communication and stakeholder engagement skills.

Responsibilities

• Develop and optimise Microsoft Sentinel capabilities, including detection rules, advanced queries, log ingestion and security monitoring.
• Build and maintain automated security response workflows to improve incident handling and containment.
• Manage and tune web application firewall controls to protect applications while minimising disruption to legitimate traffic.
• Implement and refine network micro-segmentation policies to restrict unauthorised access and limit lateral movement.
• Support vulnerability scanning, assessment and remediation validation across enterprise environments.
• Review security alerts and incidents, improve detection logic and collaborate with managed security providers to enhance operational outcomes.
• Contribute to security engineering improvements, technical documentation and the delivery of a broader cyber resilience programme.

Skills

Microsoft Sentinel

KQL

Azure Logic Apps

Automation workflows

Akamai WAF

Micro-segmentation

Threat detection

Incident response

Security operations

Stakeholder engagement

Job description

An opportunity is available for an experienced Security Engineer to join a major cyber resilience programme within a large, complex enterprise environment.
This is a hands-on role suited to a technically strong security specialist with experience across security operations engineering, detection and response automation, web application protection and network segmentation.

Working alongside internal security teams and external security partners, you’ll help strengthen security controls, improve threat detection and response capabilities, and deliver key cyber resilience initiatives across the organisation.

Key responsibilities

• Develop and optimise Microsoft Sentinel capabilities, including detection rules, advanced queries, log ingestion and security monitoring.
• Build and maintain automated security response workflows to improve incident handling and containment.
• Manage and tune web application firewall controls to protect applications while minimising disruption to legitimate traffic.
• Implement and refine network micro-segmentation policies to restrict unauthorised access and limit lateral movement.
• Support vulnerability scanning, assessment and remediation validation across enterprise environments.
• Review security alerts and incidents, improve detection logic and collaborate with managed security providers to enhance operational outcomes.
• Contribute to security engineering improvements, technical documentation and the delivery of a broader cyber resilience programme.

Security Engineer

12-month contract | Sydney | Hybrid working

An opportunity is available for an experienced Security Engineer to join a major cyber resilience programme within a large, complex enterprise environment.
This is a hands-on role suited to a technically strong security specialist with experience across security operations engineering, detection and response automation, web application protection and network segmentation.

Working alongside internal security teams and external security partners, you’ll help strengthen security controls, improve threat detection and response capabilities, and deliver key cyber resilience initiatives across the organisation.

Key responsibilities

• Develop and optimise Microsoft Sentinel capabilities, including detection rules, advanced queries, log ingestion and security monitoring.
• Build and maintain automated security response workflows to improve incident handling and containment.
• Manage and tune web application firewall controls to protect applications while minimising disruption to legitimate traffic.
• Implement and refine network micro-segmentation policies to restrict unauthorised access and limit lateral movement.
• Support vulnerability scanning, assessment and remediation validation across enterprise environments.
• Review security alerts and incidents, improve detection logic and collaborate with managed security providers to enhance operational outcomes.
• Contribute to security engineering improvements, technical documentation and the delivery of a broader cyber resilience programme.

Security Engineer

12-month contract | Sydney | Hybrid working

About you

• Strong hands-on experience with Microsoft Sentinel, including advanced KQL, analytics rules and Data Collection Rules (DCRs).
• Experience developing security orchestration and automated response workflows using Azure Logic Apps and related integrations.
• Practical experience administering and tuning Akamai web application security solutions.
• Experience implementing or managing enterprise micro-segmentation technologies and policies.
• Solid understanding of security operations, threat detection, incident response and vulnerability management.
• Strong knowledge of enterprise network security, including firewalls, access controls and hybrid environments.
• Experience working across complex enterprise environments and delivering technical security improvements as part of a wider programme of work.
• Strong troubleshooting, communication and stakeholder engagement skills.