Senior SOC Analyst in London

Senior SOC Analyst – Contract | London (Office-Based) Inside IR35 | 3-Month Contract | Market Rate We are currently seeking an experienced Senior SOC Analyst to join a leading financial services organisation based near Liverpool Street, London. This is an office-based role requiring strong expertise in threat analytics, incident response, and advanced cyber investigations within a highly regulated environment. Key Responsibilities * Act as the primary escalation point for complex security incidents, conducting deep-dive investigations to determine root cause, scope, and impact. * Lead containment, eradication, and recovery activities, ensuring timely resolution of high-priority incidents. * Support the standardisation and improvement of SOC processes, workflows, and reporting across regions. * Work closely with Detection Engineering teams to fine-tune detection logic and enhance alert quality. * Mentor junior SOC and IR analysts to uplift operational excellence. * Contribute to the development and review of SOC SOPs and Tier 1/Tier 2 processes. * Liaise with internal technology teams to support response tasks and escalate blockers when necessary. * Prepare accurate responses for regulatory and audit queries. * Maintain strong knowledge of emerging threats, attacker TTPs, and industry security practices. * Participate in occasional out-of-hours incident response where required. Your Profile Essential Experience: * 5+ years’ experience as a Senior SOC Analyst or Tier 2/3 Analyst. * Strong background in incident response, threat analytics, and cyber investigations. * Deep understanding of attacker TTPs and incident response frameworks (NIST, SANS). * Hands-on experience with SIEM/EDR/SOAR tools (Splunk preferred). * Strong OS, networking, and security infrastructure skills. * Experience within the financial services sector. * Excellent communication skills and the ability to explain complex issues to technical and non-technical stakeholders. * Knowledge of security standards such as ISO 27001 and NIST CSF. Desirable: * Leadership experience within SOC operations. * Expertise in detection engineering and advanced threat analysis. If you’re an experienced SOC specialist seeking your next challenge within a high-impact financial environment, we’d love to hear from you. Apply today with your CV