Senior Security Analyst

Senior Security Analyst I’m working with an exciting new client looking to add several experienced Senior Security Analysts to a high‑performing SOC team supporting a regulated enterprise environment. This is a genuinely hands‑on SOC role where you’ll own security incidents from detection through to resolution while also driving proactive threat hunting, vulnerability management and continuous security improvements. Hybrid Working on Shift.

Office: Monday, Wednesday & Friday (Leeds) Home: Tuesday, Thursday, nights, weekends & bank holidays What you’ll be doing Investigating and responding to complex cyber security incidents Threat hunting across Microsoft Defender XDR and Microsoft Sentinel Using KQL to investigate alerts and identify root cause Working closely with Infrastructure, Cloud and Security Engineering teams Running proactive security activities, including vulnerability scanning and security validation Improving detection rules and strengthening the overall security posture What we’re looking for Strong commercial experience with Microsoft Defender XDR Strong experience using Microsoft Sentinel Excellent KQL query‑writing and investigation skills Proven experience within a SOC or Security Operations environment Experience handling incidents from investigation through to remediation Knowledge of hybrid Microsoft environments (Azure & on‑prem) Ability to work independently and make sound technical decisions Nice to have Experience in a SOC covering regulated industries such as Financial Services, Government or Critical National Infrastructure Vulnerability Management (Qualys) Microsoft SC‑200 or other recognised security certifications Please note: Candidates must be eligible to obtain SC and/or NPPV3 clearance. #J-18808-Ljbffr