Senior Cyber Security Operations Engineer
Location:
Sydney
Employment Type:
Full-time, Permanent
Role Summary
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.
Working closely with engineering and operational leads, you will elevate our internal SOC capabilities, refine monitoring infrastructure, and ensure high operational resilience.
Core Responsibilities
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.
Incident Escalation & Threat Mitigation:
Serve as the principal technical contact for critical security alerts, directing host containment, account isolation, and post-incident remediation.
Proactive Threat Detection:
Design and implement custom detection logic, hunt hypotheses, and correlation rules to uncover emerging threats.
Security Control Engineering:




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

📌 Cyber Security Engineer (Sydney)
🏢 Sirius.
📍 Sydney