About Guillaume
- Web Pentest (OWASP Top 10, exploitation)
- Active Directory (post-exploitation, privilege escalation)
- Network & infrastructure
- Challenge / Lab creation
- Training
French
Native or bilingual
English
Fluent
Experience
- Root-Me Pro,Cybersecurity ConsultantCONSULTING AND AUDITSSeptember 2025 - Today (9 months)Saint-Cyr-au-Mont-d'Or, FrancePentest: penetration tests (infra, web, API,). Reporting: technical/executive reports. CTF: design and development of challenges. Training: cybersecurity training for schools and professionals.
- Freelance,PentesterNovember 2025 - Today (7 months)Strasbourg, FrancePentest missions: penetration tests (web, API, infra). Deliverables: technical/executive reports. Client relations: scope definition, presentation, and follow-up. Quality & security: confidentiality and traceability.
- Technicien de maintenanceMaintenance TechnicianJanuary 2016 - January 2024 (8 years)Troubleshooting: diagnostics and incident resolution. Procedures & support: operating procedures, training. Optimization: implementation of technical improvements. Project management: management, follow-ups, quotes.
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Education
- Vocational Baccalaureate in ElectrotechnicsLycée Louis Marchal2016BAC PRO électrotechnique
- CARTP & CRTE, Altered Security OSCP, Offsec Cisco CCNA & CCNA CyberOpsCiscoCARTP & CRTE, Altered Security OSCP, Offsec Cisco CCNA & CCNA CyberOps