Freelancer profile translated to English.
Back to original languageAbout Aubin
Currently a systems and network engineer at Uniprévoyance, I am generally interested in all technologies related to IT infrastructure, and I am looking for freelance missions east of Paris.
French
Native or bilingual
Can work on-site
Noisy-le-Grand (up to 20km)
Experience
- Mairie de Vitry-sur-SeineNetwork and Systems EngineerApril 2025 - Today (1 year and 4 months)Vitry-sur-Seine, FranceManagement of the city's network infrastructure (150 sites)Operation of 190 Aruba switches (access, distribution, and network cores)Filtering, NAT, and VPN on Stormshield FirewallNetwork design, VLAN creation, DHCP, DNS management...Internet line migration (public IPs)Supervision of the system team's activity
- UniprévoyanceSystems and Network EngineerBANKING AND INSURANCEMay 2023 - Today (3 years and 3 months)Montreuil, FranceLevel 2-3 management of the Windows/Linux system infrastructureAD, GPO, DNS, DHCP, Backup managementWSUS, KMS server setupVMware virtual infrastructure setup and management (ESX, Vcenter,..)VMware Horizon VDI solution setupNetwork management (Cisco user and core network switches)Routing and traffic management (Forcepoint Firewall)Squid Proxy (Servers) and Olféo (Users) managementProject monitoring for a Citrix user VPN implementationInfrastructure relocation/migration following a company moveInfrastructure reconstruction/restoration after a cyberattackServer migration to AWS cloudRenewal of domain names and SSL certificates
- WorldlineSystems EngineerJuly 2018 - April 2023 (4 years and 10 months)La Défense, FranceApplication operations managementSolution implementation, application updates, cloud evolutionMaintenance of Atlassian services (Jira, Confluence, Crowd)System and process monitoring (Centreon)AD, DNS managementTechnical support, troubleshooting
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Education
- CQP Network Administrator for BusinessesIEF2I Vincennes Training Center2010CQP Administrateur Réseau d'Entreprise
- DUT in Networks and TelecommunicationsIUT de Villetaneuse2007DUT Réseaux et Télécommunications