About Valentin
French
Native or bilingual
Portuguese
Native or bilingual
English
Fluent
Experience
- NaTranHead of Cyber DefenseENERGY AND UTILITIESJanuary 2026 - Today (5 months)Head of the Cyber Defense department, leading a multidisciplinary team of 30 employees across 6 units: SOC, CERT, CTI, Vulnerability Operations Center, and Red Team.Scope & Responsibilities:
- Operational and strategic supervision of detection, incident response, and threat management activities
- Leadership of the transition from a project team to a structured Cyber Defense department
- Coordination with CIOs, CISOs, and business unit leaders on major incidents and overall security posture
- Definition of processes, tooling, and team skill development
Areas of Expertise:- Threat Intelligence & targeted threat analysis (APT, data leaks, external exposure)
- OSINT & attack surface mapping
- Incident Response & digital forensics (DFIR)
- Cyber crisis management and communication to decision-makers
- NATRANOperational Lead SOC and CERTApril 2022 - December 2025 (3 years and 8 months)🎯 Supervision of SOC & CERT teams: Coordination of operational activities, KPI definition, dashboard creation, daily team animation.🚨 Crisis & Major Incident Management: Leading crisis cells, cross-functional coordination between CIOs, CISOs, and technical stakeholders.🚀 Business Development: Implementation and structuring of CTI, Digital Forensics, and Red Team units. Team growth from 5 to 20 analysts.🧬 Digital Forensics: Forensic analysis, IOC extraction, detailed report writing usable by incident response teams.🛰️ Cyber Threat Intelligence (CTI): Monitoring targeted threats, APT groups, and information leaks via OSINT and strategic partners.🌐 Attack Surface Management: Mapping of exposed assets, identification of risks related to shadow IT, and remediation recommendations.💰 Budgetary & Contractual Management: Budget creation, expense tracking, contracting, and selection of specialized external profiles.
- GRTGAZCERT AnalystJune 2020 - April 2022 (1 year and 10 months)📊 Security Alert Supervision: Analysis, triage, and prioritization of alerts generated by the SOC and detection tools (EDR, SIEM, etc.), in relation to real threats.🔍 Incident Management: Rapid investigation, qualification, and response to security incidents, in coordination with IT and business teams.🔧 Vulnerability Qualification: Risk assessment, prioritization based on context, support for patch management teams.⚙️ Automation & Scripting: Creation of Python and PowerShell scripts to automate recurring tasks (alerting, enrichment, IOC deployment, etc.).📘 Playbook Development: Design of operational procedures to structure SOC/CERT response and enhance analyst effectiveness.
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Education
- CYBERSECURITY ENGINEEREFREI2018Ingénieur en Cybersécurité spécialisé en sécurité offensive et investigation numérique.
Certifications
- CISSPISC22026
- RED TEAM OPSZero Point Security2025