Principal Security Engineer
- Hiring Organisation
- Jobleads-UK
- Location
- St Albans, England, United Kingdom
allowlisting. Architecture: Design and implement enterprise security architecture built on zero trust and secure-by-default principles. Own the technical blueprint across cloud (AWS), SaaS, endpoints, network and identity. Detection Engineering: Build, tune and maintain detection rules, correlation logic and alerting across SIEM and EDR. Engineer high-fidelity … MITRE ATT&CK, NIST CSF, CIS Controls, OWASP) with practical application, not just theoretical knowledge. Experience securing cloud‐native and SaaS‐heavy environments (AWS preferred). Strategic thinker who can define a roadmap, influence stakeholders and make security decisions that balance risk with business enablement. Highly Desirable Experience ...