2 of 2 Permanent Senior Security Specialist Jobs in London

Senior Microsoft Identity Security Specialist

Location
Greater London, England, United Kingdom
Senior Microsoft Identity Security Specialist will play a key role within the Global Information and Cyber Defence and Identity function, supporting the organisation's Microsoft-first identity security strategy through the design, implementation and optimisation of Microsoft Entra ID and related platforms. The role will strengthen … organisation's identity security posture through Conditional Access, Identity Protection, Privileged Identity Management, password less authentication and Zero Trust-aligned controls.The role combines hands-on engineering with technical design, automation and continuous improvement, including the appropriate use of AI-assisted analysis to improve identity operations and security monitoring. ...

Senior Security Specialist – Penetration Testing

Location
Greater London, England, United Kingdom
LSEG is seeking aSenior Penetration Tester to join our internal offensive security team. This role is hands‐on and deeply technical, responsible for planning and executing penetration tests across a wide range of systems and applications. The successful candidate will be a skilled offensive security professional with … passion for uncovering vulnerabilities and improving security posture through rigorous testing and collaboration. Key Responsibilities Conduct in-depth penetration tests on applications, infrastructure, and cloud environments. Take full ownership of assigned pentesting engagements end‐to‐end and deliver with limited oversight. Compile technical scoping documents, track and document assessment ...