Job Description
Senior Cyber Security Operations Engineer
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Location: Sydney
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Employment Type: Full-time, Permanent
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Role Summary
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I am seeking a Senior Cyber Security Operations Engineer to drive its defensive cybersecurity operations. In this high-impact position, you will act as the primary subject matter expert across threat detection, incident handling, cloud posture, and defensive automation across a modern, multi-cloud environment.
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Working closely with engineering and operational leads, you will elevate our internal SOC capabilities, refine monitoring infrastructure, and ensure high operational resilience.
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Core Responsibilities
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Defensive Automation & Infrastructure: Drive the architecture and continuous tuning of enterprise SIEM, EDR, and identity protection tools. Build automated response playbooks to streamline triage and accelerate incident response.
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Incident Escalation & Threat Mitigation: Serve as the principal technical contact for critical security alerts, directing host containment, account isolation, and post-incident remediation.
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Proactive Threat Detection: Design and implement custom detection logic, hunt hypotheses, and correlation rules to uncover emerging threats.
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Security Control Engineering:



Collaborate with infrastructure, development, and cloud teams to integrate Secure-by-Design principles into organizational change pipelines.
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Process & Compliance Maturity: Develop standard operating procedures (SOPs) and align operational capabilities with recognized security frameworks.
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Requirements
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Proven Experience: 5+ years in dedicated cybersecurity roles, including 3+ years operating as a senior engineer or technical lead within an enterprise SecOps or SOC environment.
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Technical Mastery: Deep hands-on experience configuring and maintaining enterprise XDR, SIEM, and cloud identity platforms.
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Detection & Scripting: Solid capability writing custom detection rules (KQL or similar query languages) and building SOAR workflows.
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Vulnerability & Cloud Operations: Demonstrated background in vulnerability management, risk-based prioritization, and core cloud security principles (Azure/AWS).
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Framework Exposure: Working knowledge of standards such as NIST, ISO *****, MITRE ATT&CK;, or Essential Eight.
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Certifications: CISSP, SC-200, or equivalent senior security credentials highly regarded.
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#J-*****-Ljbffr

📌 Cyber Security Engineer (New South Wales)
🏢 Sirius.
📍 New South Wales