Senior Cyber Security Engineer

Talenza; Sydney; On-site; AUD 150,000 - 190,000; Full time

Job summary

Talenza in Sydney seeks a Senior Cyber Security Engineer to elevate enterprise detection capabilities. This hands-on role concentrates on crafting high-quality detections, enhancing security monitoring, and conducting threat hunting to bolster threat visibility and response readiness.

You will collaborate with SOC, Incident Response and Threat Intelligence teams to strengthen monitoring, reduce cyber risk, and drive SOC maturity through automation and robust detection content.

Qualifications

• Extensive experience in detection engineering, security operations or security analytics.
• Hands-on with SIEM platforms such as Microsoft Sentinel, Splunk, QRadar or Elastic.
• Experience building detection rules, correlation logic and behavioral analytics.
• Strong knowledge of MITRE ATT&CK and modern attack techniques.
• Experience with EDR/XDR platforms and threat hunting methodologies.
• Scripting ability using Python, PowerShell, or KQL.
• Ability to translate threat intelligence into actionable detections.
• Strong analytical, investigative and problem-solving skills.

Responsibilities

• Design and develop threat detections across SIEM, EDR and XDR platforms.
• Create detection use cases aligned to adversary TTPs and MITRE ATT&CK.
• Conduct threat hunting to identify emerging threats and gaps.
• Translate threat intelligence into actionable detection content.
• Tune detection rules to improve accuracy and reduce false positives.
• Collaborate with Incident Response to develop detections from real incidents.
• Validate detections through attack simulations and testing.
• Implement automation and SOAR capabilities to improve operations.
• Identify monitoring gaps and improve visibility across cloud, endpoint, identity and network.
• Develop reporting and metrics to measure detection effectiveness and SOC maturity.

Skills

Threat detection design

Threat hunting

Security analytics

Scripting

Tools

Microsoft Sentinel

Splunk

QRadar

Elastic

Job description

Senior Cyber Security Engineer

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.

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

• Design and develop threat detections across SIEM, EDR and XDR platforms.
• Create detection use cases aligned to adversary TTPs and the MITRE ATT&CK framework.
• Conduct threat hunting activities to identify emerging threats and detection gaps.
• Translate threat intelligence into actionable detection content.
• Tune and optimise detection rules to improve accuracy and reduce false positives.
• Partner with Incident Response teams to develop detections from real-world incidents.
• Perform detection validation through attack simulation and testing activities.
• Implement automation and SOAR capabilities to improve security operations efficiency.
• Identify monitoring gaps and improve visibility across cloud, endpoint, identity and network environments.
• Develop reporting and metrics to measure detection effectiveness and SOC maturity.

Required Experience

• Strong experience in Detection Engineering, Security Operations or Security Analytics.
• Hands‑on experience with SIEM platforms such as Microsoft Sentinel, Splunk, QRadar or Elastic.
• Experience developing detection rules, correlation logic and behavioural analytics.
• Strong understanding of MITRE ATT&CK and modern attack techniques.
• Experience with EDR/XDR platforms and threat hunting methodologies.
• Scripting experience using Python, PowerShell, KQL or similar technologies.
• Experience leveraging threat intelligence to improve monitoring and detections.
• Strong analytical, investigative and problem‑solving skills.