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💼 Professional Experience

🗓️ September 2023 – Today

🏢 Metsys | Systems Administrator 📍 Nantes | Saint-Herblain, France

Metsys

Multiple projects across various client environments:

🔐 Deployment, migration, hybridization, and security hardening of Exchange Servers 🧩 Design and implementation of WSUS infrastructure using RING & PEERING models 🏛️ Active Directory Domain Controller migrations ✉️ Deployment of Vade Secure anti-spam solution 🔍 Monitoring, security auditing, and remediation of Microsoft 365 tenants 📊 Active Directory security audits 🔁 Migration of Mimecast connectors 📶 Deployment of RADIUS Wi-Fi authentication using SCEP certificates with Intune ☁️ Deployment of Virtual Machines and Azure PostgreSQL Flexible Server 🔐 Cloud and on-premises security best practices implementation

Inter-contract period: 📚 Continuous self-training and upskilling 🧠 Technology watch and security monitoring 🛡️ Internal training sessions: security, scripting, remediation 🏅 Certification preparation and completion (Mimecast, Rubrik, Stormshield, etc.)

🗓️August 2021 – July 2023 🏫 Saint Joseph High School | Systems & Network Technician (Apprenticeship) 📍 Machecoul Saint Même, France

SaintJoseph

🖥️ Deployment and configuration of Windows Server 2019–2022 and Debian 10–11

🔄 Migration of tools and services from Windows Server to Debian 11
technical documentation and procedure writing

🐧 Design and deployment of Debian servers: OCS Inventory OS Tickets FOG SPIP

🧩 Daily administration of the server infrastructure using VMware vSphere: Server updates and patching Snapshot and replica management Windows services (DHCP, DNS, Active Directory, RDS, Apex One Antivirus) Debian services (WAPT, OCS, etc.)

💾 Backup strategy management with Veeam Backup: Daily and monthly backups Offsite backups Design, testing, and deployment of immutable backups

🗂️ Active Directory administration: User and group management Group Policy (GPO) implementation

📈 Infrastructure monitoring with PRTG 📡 Management of Cisco Meraki Wi-Fi infrastructure 🤝 Coordination with external IT service providers

🧑‍🏫 End-user support (teachers, staff, and students): Workstations, iPads, and specialized software

🔄 Contribution to IT strategy and planning: Infrastructure health assessment Hardware renewal planning Tool and solution selection

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