SIEM Analyst

Logicalis Spain is looking to incorporate a SIEM Security Analyst with experience in monitoring, security event analysis, and threat detection, with specific knowledge in Threat Intelligence, Threat Hunting, and Pentera. The person will join a cybersecurity service oriented toward detection, analysis, and continuous improvement of the client's security capabilities. Main duties: Monitoring and analysis of security events and alerts through SIEM platforms. Investigation and analysis of security incidents. Creation, tuning, and improvement of correlation rules and use cases. Analysis of false positives and optimization of detection capabilities. Performing Threat Hunting activities to identify anomalous behaviors or threats not detected by traditional mechanisms. Use and analysis of Threat Intelligence information, including IoCs, TTPs, and threat campaigns. Enrichment of alerts and investigations with threat intelligence sources. Execution and analysis of exercises using Pentera, identifying potential attack vectors and validating the effectiveness of security controls. Analysis of results obtained through Pentera and coordination with technical teams for the remediation of identified vulnerabilities or weaknesses. Preparation of technical reports and follow-up on improvement actions. Collaboration with SOC, infrastructure, systems, and security teams.