GenerativX
Senior Security Engineer
United Kingdom
Posted 1 day ago
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Responsibilities
- Design and maintain enterprise SIEM/XSIAM architecture.
- Onboard and optimise endpoint, identity, network, cloud, and SaaS telemetry.
- Develop and tune correlation and behavioural detections.
- Use MITRE ATT&CK and threat modelling to identify detection gaps.
- Investigate complex incidents and reconstruct attack timelines.
- Build SOAR playbooks for automated investigation and response.
- Integrate XSIAM with Splunk, Sentinel, ServiceNow, and other security tools.
- Improve alert quality, reduce false positives, and monitor telemetry health.
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Skills
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- Strong SIEM/XDR/XSIAM engineering experience.
- Hands-on experience with Cortex XSIAM/XDR preferred.
- Experience with Splunk, Microsoft Sentinel, or similar SIEM platforms.
- Strong knowledge of endpoint, identity, cloud, and network security telemetry.
- Experience with detection engineering, SOAR, and incident response.
- Knowledge of MITRE ATT&CK, Python/PowerShell, and REST APIs.
- Strong troubleshooting and analytical skills.
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