About Nathan
French
Native or bilingual
English
Fluent
Experience
- Crédit Agricole Technology SericesGRC Cybersecurity ConsultantBANKING AND INSURANCEJune 2025 - Today (1 year and 2 months)Security Desk Management:oImplementation of whitelists/blacklists on CATS proxies and Regional BanksoSecurity analysis of new softwareoValidation of firewall rule modificationsoValidation for antivirus and EDR exceptionsoManagement of cyber incidents sent by the SOCoAccess managementVSE Referent (AlgoSec)oSecurity analysis and validation of requests for opening flows between different SI zonesoImplementation of a flow opening rule matrixoImplementation of exceptions in collaboration with the CISO teamVulnerability RemediationoReception of CVE alerts from CERToEscalation to the responsible solution SquadsoFollow-up of remediationImplementation of Level 1 ControlsAnalysis and validation of AI solution usage
- Ceres PartnersInformation System Manager - PMOJanuary 2024 - December 2024 (11 months)Use of EBIOS RM method for risk analysisOperational ResilienceoIT risk analysis leading to business cessationoStudy of solutions to ensure business continuity and recoveryoThird-party risk managementGDPRoPersonal data processingIntegration of security into the projectoAnalysis of various web vulnerabilities (OWASP 10)oSelection of security solutions to implementoTeam trainingPMO and Technical Assistance for Web Application DevelopmentoRequirements gatheringoRFI / RFPoWriting of specificationsoDefinition of KPIs for project monitoringoTechnical assistance on the development of Binance APIs and trading strategies in Python
- BNP ParibasIT Security EngineerBANKING AND INSURANCESeptember 2021 - September 2023 (2 years)Business Continuity:oDORA Compliance
- Understanding of DORA and its implications for financial institutions.
- Gap Analysis and identification of discrepancies
oAnalysis of risks related to Information and Communication Technologies (ICT)oReview of Business Impact Analysis (BIA)oWork on operational resilienceoImplementation of business continuity and recovery plansoTesting and validation of business continuity plansoAutomation of processes related to business continuityCrisis Management:oOrganization of crisis exercisesoImplementation of crisis management teamsoParticipation in Bank of France crisis exercisesoMaintenance of the Everbridge application:- Weekly loading of contacts from all entities
- Gap analysis to verify complete import
- Troubleshooting errors (files, macros, etc.)
oContinuous improvementoOverhaul of contact integration procedures to standardize processes between CIB and other entitiesPhishing test campaigns and communication around EverbridgeTraining of the Portugal crisis management team
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Education
- Engineering DegreeESME Sudria Paris School2023Diplôme d'ingénieur
Certifications
- ISO 27001 Lead ImplementerPECB2026