Senior MXDR Security Engineer sought by leading investment bank based in the city of London.
**Inside IR35 - 3 days a week on site**
What You'll Do:
* Development of use cases and rulesets across multiple log sources.
* Performing regular rule refinement sessions to address rule logic issues and false positives.
* Output activities from refinement sessions such as development and/or refinement of rules and workbooks.
* Optimisation activities such as log utilisation tracking and refinement.
* MITRE ATT&CK heat map coverage.
* Working with internal ITC teams and the Customer to identify any onboarding or offboarding projects of appropriate log sources necessary for effective security monitoring.
* Identification of opportunities for additional monitoring.
* Workbook creation for data visualisation.
* Attendance at Service Review Meetings.
* Maintenance of Service Documentation such as LLD (co-management activity).
Skills required:
* Hands-on MXDR/SIEM experience (e.g., Sentinel, Splunk, QRadar)
* Strong telemetry parsing/enrichment skills
* Solid grasp of MITRE ATT&CK & threat-detection best practices
* Clear communicator with a customer-focused mindset
* Passion for continuous improvement in cyber defence
Please apply within for further details.
Alex Reeder
Harvey Nash Finance & Banking
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