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AfterDuty

Cyber Security Engineer

Sirius. · Sydney, New South Wales

Type
Full-time
Posted
7 days ago

Overview

Your incident response discipline and investigative mindset transfer to threat detection and triage.

About this role

Senior Cyber Security Operations Engineer

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 environment.
  • 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 27001, MITRE ATT&CK, or Essential Eight.
  • Certifications: CISSP, SC-200, or equivalent senior security credentials highly regarded.

About cyber security & digital forensics roles for ex-police

Cyber security, digital forensics and incident-response roles. DMIs, cybercrime investigators and digital forensics officers bring evidential discipline and investigative judgement that DFIR and security teams struggle to hire.

See all cyber security & digital forensics jobs in Sydney

Why this fits a police background

  • Incident command & response
  • Working to legislation & regulation
  • Security operations

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