Freelancer profile translated to English.
Back to original languageAbout Mbagnick
Network & Security Engineer | Cybersecurity Expert
Passionate about securing IT infrastructures, I ensure the protection of systems and data against digital threats. My expertise covers network administration, intrusion prevention, and incident response.
Through constant technological monitoring and a proactive approach, I strengthen infrastructure resilience by guaranteeing their availability and integrity. My commitment: anticipate cyber threats and design robust solutions for a secure digital environment.
French
Native or bilingual
English
Conversational
Can work on-site
Paris (up to 50km)
Experience
- Hôtel de ville Asnières sur SeineCSISOPUBLIC SECTOROctober 2024 - Today (1 year and 10 months)Paris, FranceChief Information Security Officer (CSISO)Lead and coordinate all IT systems: security, networks, servers, and critical infrastructure.Administer and strengthen the security of the community's information systems and data, ensuring their consistency, integrity, confidentiality, and availability.Define, propose, and implement the security policy and associated standards (servers, applications, networks) in line with IT department guidelines.Supervise and analyze security alerts in conjunction with the SOC, manage incidents, and respond to threats.Thwart intrusion attempts and maintain active monitoring to identify and correct vulnerabilities.Administer systems and network environments (Windows Server, AD, DNS, DHCP, VLAN, Firewall, O365, Veeam) and ensure hardening of configurations.Ensure the information system's compliance with best practices and security standards (ISO 27001, GDPR, PSSI).Educate users on cybersecurity issues and promote a security culture within the community.Provide reporting and communication to management and project teams on risks and action plans.Act as a liaison between technical teams, operators, project managers, and service providers for all security-related issues.
- CNP Assurances Protection SocialeSOC Analyst L2BANKING AND INSURANCEAugust 2024 - October 2024 (2 months)Boulogne-Billancourt, France• Investigation and resolution of security incidents• Qualification and management of security alerts• Continuous improvement of security processes and systems• Automation of incident responses for increased efficiency• Optimization and security of network infrastructures• Proactive monitoring of systems and networks• Configuration and management of network equipment (switches, routers, firewalls)• Management of network access and permissions (Active Directory)• Implementation of robust security policies and procedures• Threat and vulnerability analysis• Support and troubleshooting of network issues, Log collection
- MADICORPSOC Analyst L2TECHSeptember 2023 - August 2024 (11 months)Paris, FranceInvestigation and resolution of security incidentsQualification and management of security alertsContinuous improvement of security processes and systemsAutomation of incident responses for increased efficiencyOptimization and security of network infrastructuresProactive monitoring of systems and networksConfiguration and management of network equipment (switches, routers, firewalls)Management of network access and permissions (Active Directory)Implementation of robust security policies and proceduresThreat and vulnerability analysisSupport and troubleshooting of network issues, Log collection
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Education
- Cybersecurity SOC Analystopenclassroom2023Investiguer des incidents de sécurité Qualifier Des alertes Résoudre des incidents Améliorer des processus et des systèmes de sécurité Automatiser des réponses à incident Contenir une propagation d'incident IOC, TTP, TLP, killchain, MITRE ATT&CK, MITRE D3FEND, les SIEM, SIRP, SOAR, EDR, le sandboxing, les composants de sécurité réseau (pare-feux, IDS/IPS, proxies, WAF), le langage Python, les outils ELK, Splunk, TheHive, Cortex, Wireshark / tshark ou encore n8n
- IT Technicianopenclassroom2022Installer et configurer les serveurs, les postes de travail, les équipements réseau (routeurs, commutateurs, points d'accès, etc.). Déployer et configurer les systèmes d'exploitation, les logiciels et les applications. Assurer la maintenance préventive et corrective des systèmes et des équipements réseau. Surveiller les performances des systèmes et des réseaux pour détecter et résoudre les problèmes de manière proactive. Effectuer les mises à jour logicielles et les patchs de sécurité. Fournir un support technique aux utilisateurs pour les problèmes liés aux systèmes et aux réseaux. Diagnostiquer et résoudre les incidents techniques signalés par les utilisateurs. Former les utilisateurs sur les bonnes pratiques et l'utilisation des systèmes et des réseaux. Mettre en place et gérer les mesures de sécurité (pare-feu, antivirus, VPN, etc.). Surveiller et répondre aux incidents de sécurité. Gérer les droits d'accès et les politiques de sécurité. Mettre en place et superviser les stratégies de sauvegarde des données. Effectuer des restaurations de données en cas de besoin. Vérifier régulièrement l'intégrité des sauvegardes.
Certifications
- SOC LEVEL 1TRYHACKME2024
- Analyze and manage IT risksopenclassroom2023