DESCRIPTION Would you like to work at a leading cybersecurity company? Join the Cyberdefense team at S2 Grupo, Spain's leading cybersecurity company, and participate in national and international projects with public and private clients. At S2 Grupo we develop some of the most advanced tools in the country for threat detection and cybersecurity incident management, supported by intense and sustained R&D activities. Become part of a nationally recognized company in the fields of Cybersecurity and Cyberintelligence that has developed, together with CCN-CERT, important national cyberdefense tools such as GLORIA or CARMEN, making a significant contribution to the development of technologies enabling Public Administration and strategic companies to better defend against APTs. We are looking for Security Analysts to join our Blue Team. Main responsibilities (depending on the candidate's profile) would be: * Detection and management of security incidents * Threat Intelligence (tracking APT actors, malware analysis, Threat Hunting, etc.) * Handling various tools: SIEM, NIDS, HIDS, AV... * Performing forensic analyses and log reviews * Technical coordination of teams * Preparation of technical reports Additional certifications/knowledge we value: * Experience working in a CERT/SOC/CSIRT or Threat Intel group * Certifications or specialized courses in security * Experience in Big Data, machine learning, data mining, event correlation * Passion for Threat Hunting, geopolitics/geostrategy, and tracking emerging threats If you have experience in this field and are interested in the position, we encourage you to apply even if you feel your knowledge in some areas may not be sufficient, as our corporate training program is designed specifically to complement and enhance our team's capabilities. Additionally, S2 Grupo offers significant social benefits such as private health insurance, flexible compensation, indefinite contracts, and extensive professional development and internal mobility opportunities within a people-oriented work environment that enables genuine work-life balance. Take the next step in your professional career and join the S2 Grupo team. REQUIREMENTS DESIRABLE * Experience working in a certified CERT * Specialized certifications in managed security (CHFI, GPEH...) * CISSP certification * Specialized knowledge in CND, defensive security: intrusion detection (HIDS/NIDS), advanced persistent threats, system and network monitoring, forensic analysis, incident management * Security analysis: event correlation, data mining