Principal Security Engineer
- Hiring Organisation
- Jobleads-UK
- Location
- St Albans, England, United Kingdom
Engineering: Build, tune and maintain detection rules, correlation logic and alerting across SIEM and EDR. Engineer high-fidelity detections mapped to MITRE ATT&CK. Continuously reduce false positives and expand coverage. Automation: Engineer automation for security operations at scale — scripting (Python, Bash, PowerShell) for response orchestration, access … security events, perform root cause analysis, and apply threat intelligence to improve defensive posture. Understand attacker TTPs and operationalise frameworks like MITRE ATT&CK and NIST CSF. Vulnerability Management: Own the vulnerability management programme end to end — scanning, prioritisation, remediation tracking, SLA enforcement and executive ...