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
