Job Description

Senior Cyber Security Engineer n

We are seeking an experienced Senior Cyber Security Engineer to enhance and mature enterprise cyber detection capabilities. This hands‑on role focuses on developing high-quality detections, improving security monitoring, conducting threat hunting activities and strengthening the organisation's ability to identify and respond to cyber threats.

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Working closely with SOC, Incident Response and Threat Intelligence teams, you will play a key role in improving security visibility and reducing cyber risk across the enterprise.

Key Responsibilities n

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- Design and develop threat detections across SIEM, EDR and XDR platforms.
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- Create detection use cases aligned to adversary TTPs and the MITRE ATT&CK; framework.
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- Conduct threat hunting activities to identify emerging threats and detection gaps.
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- Translate threat intelligence into actionable detection content.
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- Tune and optimise detection rules to improve accuracy and reduce false positives.
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- Partner with Incident Response teams to develop detections from real-world incidents.
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- Perform detection validation through attack simulation and testing activities.
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- Implement automation and SOAR capabilities to improve security operations efficiency.
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- Identify monitoring gaps and improve visibility across cloud, endpoint, identity and network environments.
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- Develop reporting and metrics to measure detection effectiveness and SOC maturity.
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Required Experience nn
- Strong experience in Detection Engineering, Security Operations or Security Analytics.
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- Hands‑on experience with SIEM platforms such as Microsoft Sentinel, Splunk, QRadar or Elastic.
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- Experience developing detection rules, correlation logic and behavioural analytics.
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- Robust understanding of MITRE ATT&CK; and modern attack techniques.
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- Experience with EDR/XDR platforms and threat hunting methodologies.
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- Scripting experience using Python, PowerShell, KQL or similar technologies.
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- Experience leveraging threat intelligence to improve monitoring and detections.
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- Solid analytical, investigative and problem‑solving skills.
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📌 Senior Cyber Security Engineer (Sydney)
🏢 Talenza
📍 Sydney