Senior Cyber Security Analyst (L3)
- Hiring Organisation
- InfoSec People Ltd
- Location
- Slough, Berkshire, UK
- Employment Type
- Full-time
Senior SOC Analyst (Level 3) Salary: £52k-£64k depending on experience Hybrid: based in Canary Wharf 3x per week Shift pattern: 4 days on/4 days Off Overview We are seeking a highly capable Senior SOC Analyst (Level 3) to act as a technical … refinement of detection content across multiple SIEM and monitoring platforms. Design new queries, alerts, and automated workflows to improve visibility and reduce analyst workload. Tune existing detection rules, reduce false positives, and increase detection fidelity. Map detections to frameworks (e.g., MITRE ATT&CK) and identify visibility gaps. Data ...