Security Engineer - SIEM - sought by investment bank based in London - Contract - Hybrid Inside IR35 - umbrella Key Responsibilities SIEM Management & Optimization: Design, implement, and maintain Microsoft Sentinel workspaces, connectors, analytics rules, and playbooks Develop advanced KQL queries for threat hunting and reporting Optimize SIEM performance, cost, and data retention policies Troubleshoot log ingestion and parsing issues Log … guidance on securing applications and infrastructure Security Advisory & Innovation: Support PoCs for new security tools Help define and measure control effectiveness Required Skills & Experience 3+ years in a Security Engineer, SOC Analyst, or similar role Hands-on experience with Microsoft Sentinel and KQL Strong knowledge of Active Directory, Windows/Linux systems, and cloud platforms (Azure, AWS, GCP) Proficiency More ❯
Security Engineer - SIEM - sought by investment bank based in London - Contract - Hybrid *Inside IR35 - umbrella* Key Responsibilities SIEM Management & Optimization: Design, implement, and maintain Microsoft Sentinel workspaces, connectors, analytics rules, and playbooks Develop advanced KQL queries for threat hunting and reporting Optimize SIEM performance, cost, and data retention policies Troubleshoot log ingestion and parsing issues Log … guidance on securing applications and infrastructure Security Advisory & Innovation: Support PoCs for new security tools Help define and measure control effectiveness Required Skills & Experience 3+ years in a Security Engineer, SOC Analyst, or similar role Hands-on experience with Microsoft Sentinel and KQL Strong knowledge of Active Directory, Windows/Linux systems, and cloud platforms (Azure, AWS, GCP) Proficiency More ❯
City of London, London, United Kingdom Hybrid / WFH Options
Langley James Limited
Cyber Security Engineer required by a London financial brokerage ( near Bank station ), paying up to £75k + bonus + benefits. Hybrid role (3 days office-based). Join a focused 3-person IT Security team, reporting to the IT Security Officer, to implement and maintain robust security across their infrastructure. Key responsibilities include managing WAF/DDoS, security gateways … SIEM/SOAR/EDR, firewalls, MFA/SSO, MDM/MAM, vulnerability scans, and incident response. Key Responsibilities: Manage WAF/DDoS, web/email security gateways, SIEM/SOAR/EDR (alert response), firewalls, MFA/SSO, MDM/MAM, vulnerability scans/remediation, security certificates, IDS/IPS, PAM, and deliver security awareness training. Remediate More ❯
