As part of the Computer Security Incident Response Team (CSIRT), you will contribute to the detection, analysis, and response to security incidents for a client and its clients operating in highly critical environments.This position is ideal for a hands-on cybersecurity professional passionate about incident response, threat analysis, and digital forensics, looking to grow within one of Europe's most advanced cyber defense organizations.ResponsibilitiesAnalyse and process security incidents, including IoC extraction, log analysis, malware review, and forensic investigationExecute documented response procedures from analysis to reportingPerform breach analysis and root cause identificationSupport customers and manage cybersecurity-related ticketsConduct Incident Response Readiness Assessments and auditsCollaborate with the wider CERT community and contribute to cybersecurity eventsEnsure compliance with the CSIRT Code of Practice and data protection regulationsProfileMinimum 3 years of experience in cybersecurity, ideally within CSIRT, SOC, or Dfir environmentsProven experience in incident handling, forensics, or threat analysisFamiliarity with SIEM, EDR, MISP, Cortex, or similar toolsGood understanding of ISO 27001, NIS2, and risk or incident management processesFluent in English and either French or DutchStrong analytical mindset, structured documentation skills, and ability to work autonomouslyPreferred Certifications :GCIH, GCIA, GNFA, Grem, GSEC, Ecppt, OSCP, CEH