About Antoine
French
Native or bilingual
English
Fluent
Experience
- NEOMA Business SchoolSystems & Network AdministratorEDUCATION AND E-LEARNINGJanuary 2026 - Today (5 months)Rouen, FranceDesign, operation, and operational maintenance of a multi-campus IT infrastructure with a high volume of users for a higher education institution.Analysis of business and operational needs and translation into technical actions on the existing infrastructure.Operation and administration of system and network environments in L2/L3 support.Daily monitoring of critical services and management of complex, high-impact incidents.Administration of virtualization and cloud environments (Nutanix, Azure) and identity services.Advanced management of network and security infrastructures: Cisco Catalyst, Meraki, FortiGate, and FortiManager.Implementation, modification, and securing of network policies, firewall rules, NAT, and VPNs.Management of authentication and security services: Active Directory, Azure AD, SSO, MFA.Administration of DNS services and domains via Gandi.Management and optimization of ITSM processes and L2/L3 support via Freshservice.Contribution to technical documentation, operational procedures, and continuous infrastructure improvement.Environment:Windows Server, Linux, Nutanix, Microsoft Azure, Active Directory, Azure AD, Cisco Catalyst, Cisco Meraki, FortiGate, FortiManager, Gandi, Freshservice, SNMP monitoring.
- BillupLinux Systems and Network Administrator MissionOctober 2025 - November 2025 (1 month)Design, deployment, and security of a 100% Linux hybrid high-availability infrastructure hosted on OVH cloud and on-premise for a business web application.• Translation of functional needs into a redundant and secure technical architecture.• Implementation and configuration of key services: Apache, PHP, MariaDB, InfluxDB, Telegraf, Grafana, and Cockpit.• Deployment and management on OVH VPS with centralized monitoring, automated backups, and system hardening.• Advanced security: SSH port change, Fail2ban, multi-factor authentication (MFA), fine-grained user privilege management, and firewalld configuration.• Administration and segmentation of SQL accounts with granular rights.• Integration of real-time monitoring via Telegraf + InfluxDB + Grafana for performance and service supervision.• Complete documentation of configurations, operational procedures, and maintenance plan.Environment: Debian, MariaDB, Apache2, PHP, InfluxDB, Grafana, Cockpit, Fail2ban, SSH, Firewalld, OVH Cloud (VPS / dedicated).
- VICTORIA GROUPSystem and Network AdministratorENVIRONMENTALSeptember 2024 - Today (1 year and 9 months)Sotteville-lès-Rouen, France- IT equipment monitoring- Updating solutions available to users- L1 to L3 Support- IT equipment management- Server migrations
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Education
- Systems and Network Administrator TitleCESI
- Systems and Network Technician TitleCESI2024