Freelancer profile translated to English.
Back to original languageAbout Antoine
I secure and modernize Microsoft & Network infrastructures for companies where IT system reliability is vital: production, healthcare, insurance, public sector.
I handle diagnosis, remediation, and controlled production deployment for:
• Active Directory & Entra ID: hardening (MITRE / CIS), MFA, Zero Trust
• Enterprise PKI: workstation/server certificates, monitoring, automatic rotation
• NPS/RADIUS & 802.1X: Wi-Fi/LAN security, EAP-TLS, controlled BYOD
• Fortinet: advanced segmentation, traffic analysis, IPsec/SSL VPN, HA, SOC-ready
• LAN/Wi-Fi: switch/AP network design & optimization (ExtremeCloud IQ, Aruba, Cisco)
• VMware ESXi + Veeam DR: high availability, verified recovery
Added value:
✔ clean operational documentation
✔ knowledge transfer to internal teams
✔ measurable improvement in security level
✔ business results-oriented approach
Critical SMEs / Mid-sized companies / Healthcare facilities / Insurers / Local authorities.
Remote or on-site interventions in Île-de-France.
French
Native or bilingual
English
Conversational
Can work on-site
Le Plessis-Bouchard (up to 50km)
Experience
- MAISON DE SANTÉ BEMSONSYSTEM & NETWORK ADMINISTRATORMEDICALAugust 2023 - January 2025 (1 year and 5 months)Garges-lès-Gonesse, FranceAudit and budgeting of IT needsReceipt, inspection, configuration, and setup of computer workstations and printersConfiguration and installation of Wi-Fi access points / switches (Cisco)Provide user support and incident management User account and rights management.
- SONCEBOZ SAIT SUPPORT SPECIALISTTECHNovember 2021 - June 2023 (1 year and 7 months)Boncourt, JU, SwitzerlandUser support & IT training IT project management User rights management AD/SAP/ DMS Management of Veeam backups and Acronis / Mirage backups Stock management via SAP Continuous migration and deployment Technologies: Fortinet - MimeCast - EasyVista - SAP - Cisco CUCM - Cisco Switch Active directory, Veeam, RoyalTS, Mobicontrol, Sccm, Jabber
- HÔPITAL GHR MULHOUSE SUD ALSACEDESK SUPPORT TECHNICIANMEDICALJuly 2019 - August 2021 (2 years and 1 month)Mulhouse, FranceUser support and systems administration Continuous improvement of IT services IT stock management Installation and deployment of computer workstations Level 2 and 3 user support SQL server, Powershell Technologies: GLPI, Office 365, Windows server 2016, Sccm, Teams, business applications
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Education
- BACHELOR'S DEGREE IN INFORMATION TECHNOLOGY SERVICES FOR ORGANIZATIONS (SISR)Ingésup Paris 20 School2016LICENCE SERVICE INFORMATIQUE AUX ORGANISATIONS (SISR)
- ASSOCIATE'S DEGREE IN INFORMATION TECHNOLOGY SERVICES FOR ORGANIZATIONS (SISR)Ingésup Paris 20 School2015BTS SERVICE INFORMATIQUE AUX ORGANISATIONS (SISR)