Freelancer profile translated to English.
Back to original languageAbout Zakaria
Expert in Networks and Security with over 15 years of experience providing services and consulting to large companies. I offer my expertise to design and deploy high-performance, reliable, and secure network architectures.
French
Native or bilingual
English
Fluent
Arabic
Native or bilingual
Spanish
Basic
Can work on-site
Paris (up to 50km)
Experience
- INGENICONetwork Security ArchitectBANKING AND INSURANCEMay 2019 - December 2022 (3 years and 8 months)🎯 Define cloud LAN/WAN network architecture standards for INGENICO sites.🎯 Technical referent for the network and security department for user support.🎯 Implement and apply a migration strategy for the entire WAN network to a Fortigate SDWAN solution.🎯 Maintain operational PROD environments, implement changes, and track incidents.🎯 Interconnect Enterprise networks with various CSPs (AZURE, AWS, and OVH) via regional HUBs.🎯 Deploy a cloud proxy solution based on FORCEPOINT for all group users.🎯 Determine the migration roadmap for applications and workloads from the legacy datacenter to AZURE cloud.🎯 Support departments and services in their migration from on-premise environments to AZURE.🎯 Work on the DC move project from the legacy CORP DC to a new group DC.🎯 Collaborate with security teams to improve infrastructure security and patch vulnerabilities.🎯 Automate configuration deployment for LAN, WAN/SDWAN, MPLS equipment.🎯 Consolidate the tooling/supervision foundation for the Enterprise perimeter.🎯 Technological watch and validation of PoCs/PoVs for both network and security perimeters.🎯 Write technical documentation (HLD, LLD) and enrich the knowledge base.
- ENGIENetwork & Security ExpertENERGY AND UTILITIESMarch 2018 - April 2019 (1 year and 1 month)Paris, France🎯 Transformative IT Project: disentangling IT services for GRDF and migrating to a new Datacenter.🎯 Migration of network components and client sites to a new MPLS.🎯 Switching web browsing traffic from a Bleucoat solution to Zscaler.🎯 Support for implementing an Internet access service for GRDF applications.🎯 Creation of network maps, capacity planning studies, and reverse engineering for various business applications.🎯 Construction work for the partner interconnection platform.🎯 Connecting new partners via MPLS, IPSEC, AWS Cloud.🎯 Taking over operational management of the WIFI service provided at user sites.🎯 Creation and implementation of major changes.🎯 Contribution to Datacenter decommissioning projects, ENGIE network simplification, Metro Ethernet removal, and implementation of an interconnection platform.🎯 Writing architecture, installation/migration, and operation documentation.🎯 Commissioning of a Viptela SD-WAN solution in hub and spoke mode.
- Allianz GroupN3 Network and Security EngineerBANKING AND INSURANCEApril 2016 - February 2018 (1 year and 10 months)Paris, France🎯 Migration of various sites and BUs from the legacy network to AGN (ALLIANZ group's global network).🎯 Daily management of all FWs for the group's various subsidiaries and BUs (DMZs, VPNs, remote users, IPS, etc.).🎯 Validation of changes to be implemented on FWs.🎯 Handling requests and incidents for all subsidiaries via the ticketing tool, taking SLAs into account.🎯 Administration of Web proxies (nearly 30 Bluecoat proxies worldwide).🎯 Ensuring the proper functioning of FTP/DNS servers, SSL VPN portals, secure reverse-proxies, and RSA servers.🎯 Management of core switches in the main datacenters.🎯 Log analysis and deployment of corrective patches for the entire infrastructure.🎯 Supervision of the global MPLS network and management of modification requests.🎯 Integration/Upgrade of FWs and proxies for various subsidiaries.🎯 Creation/Improvement of security profiles on reverse-proxies.🎯 Project Mode: Datacenter move from Mondial Assistance premises to Equinix.
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Education
- Master's in Network & Telecom Engineering, Networks & TelecomsULCO University of the Littoral-Côte-d'Opale2013Master en ingénierie des Réseaux & Télécoms, Réseaux & Télécoms
- Bachelor of ManagementToulouse Business School / ESC Toulouse2012Bachelor en Management des affaires, Project Management