About Frantzson
French
Native or bilingual
English
Fluent
Experience
- ManpowerGroupNetwork Security EngineerJanuary 2021 - Today (5 years and 5 months)Puteaux, France🔹 Design and implementation of a robust and secure VPN infrastructure, enabling seamless and secure data exchange with external partners.🔹 Provide expert-level support to project teams to optimize network performance and ensure the smooth operation of critical applications.🔹 Ensure the operational maintenance of existing network infrastructures, guaranteeing 24/7 service continuity with minimal interruptions.🔹 Management of high-impact network projects focused on innovation, including network upgrades and the adoption of new technologies.🔹 Offer third-level (N3) support for LAN/WAN incident resolution and change management.🔹 Lead the successful migration of over 100 sites to a new SD-WAN infrastructure, driving service availability and optimizing costs.🔹 Close collaboration with vendors to achieve optimal results and ensure timely delivery of network solutions.🔹 Utilize advanced technologies such as Cisco, Fortinet (FortiGate, FAZ, FMG), Cloudflare, Zscaler, and Meraki to enhance network security and performance.
- IEDOM-IEOM (FILIALE BANQUE DE FRANCE)Network Security EngineerFebruary 2019 - November 2020 (1 year and 9 months)Paris, France🔹 Implementation of advanced endpoint security solutions, significantly strengthening the organization's cybersecurity posture.🔹 Application of security audit recommendations to optimize network infrastructure and ensure compliance with industry standards.🔹 Centralization of authentication protocols using RADIUS across switches, firewalls, and Wi-Fi networks to enhance access control and security.🔹 Management of the Public Key Infrastructure (PKI) system, generating and installing certificates to secure communication channels.🔹 Creation of detailed documentation on network architecture, procedures, and operational guidelines to ensure smooth network operation.🔹 Conducting vulnerability assessments and proactively identifying security gaps, leading to improvements in the network infrastructure.🔹 Administration of a multi-vendor environment, working with technologies such as Cisco, HP, Dell EMC, and Bitdefender to enhance network performance.Streamlining network configuration processes, ensuring seamless integration of new devices and security protocols.
- MAIRIE DE PARISNetwork Security EngineerSeptember 2018 - December 2018 (3 months)Paris, France🔹 Design and deployment of a centralized Wi-Fi architecture for guests, enhancing user experience.🔹 Configuration and optimization of critical network services, including NTP, DNS, and DHCP, to ensure high availability and security across the network.🔹 Administration of advanced network equipment configurations, such as Palo Alto firewalls, WLCs, and Infoblox, to ensure optimal network performance.🔹 Develop and maintain comprehensive network documentation to support ongoing operations and future expansions.
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Education
- Master en Architecture des Systèmes en RéseauxUNIVERSITÉ PARIS-SACLAY2017
Certifications
- Network Security Expert Level 4 - ProfessionalFortinet2021
- Network Security Expert Level 7 - SpecialistFortinet2021