Sentinel SEIM Engineer

Job Title: SIEM Engineer (Security Cleared)Location: United Kingdom (Must hold active Security Clearance)Job Type: Contract / PermanentOverview: We are seeking an experienced Security Information & Event Monitoring (SIEM) Engineer with active Security Clearance to join our cybersecurity team. The ideal candidate will be responsible for maintaining, developing, and optimizing the SIEM platform — ensuring effective log management, threat detection, and automation across complex IT and OT environments.Key Responsibilities: • Manage, maintain, and enhance the SIEM platform ensuring optimal performance and scalability. • Onboard and integrate new log sources, create custom parsers, and develop analytic rules. • Design and maintain detection rulesets, scope, plan, and track log integrations. • Develop automation for alert triage and incident remediation through SOAR tools. • Collaborate with Threat Detection & Response teams to ensure the SIEM platform aligns with security monitoring requirements. • Participate in infrastructure projects and security tool integrations. • Lead and mentor junior SIEM engineers, fostering a culture of continuous improvement.Key Skills & Experience: • Active UK Security Clearance – Essential. • Proven hands-on experience as a SIEM Engineer. • Strong understanding of security log management across multiple domains (identity, access, network, systems, cloud, and applications). • Proficiency in Python and/or PowerShell for data analysis and automation. • Experience with SOAR platforms and security automation workflows. • Excellent problem-solving, stakeholder management, and collaboration skills. • Team leadership or mentoring experience is highly desirable.Preferred Technologies / Tools: • Splunk, QRadar, LogRhythm, Sentinel, ArcSight, Elastic, or similar SIEM tools. • Familiarity with EDR, IDS/IPS, firewalls, and other security infrastructure. • Exposure to both IT and OT (Operational Technology) environments.