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Rayane GuelbiRG

Rayane Guelbi

Network Administrator | Fortinet Cisco

€450/day
Lyon, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Rayane

Systems and Network Administrator with over 5 years of experience, I support companies in securing and optimizing their network infrastructures.

Whether for deployment, maintenance, migration, or support missions, I am committed to providing stable, secure, and tailored solutions to your needs.
  • French

    Native or bilingual

Can work on-site
Lyon (up to 50km)

Experience

  • ONE SYSTEM (délégation chez EFI AUTOMOTIVE)
    Network Administrator
    AUTOMOBILE
    November 2025 - Today (9 months)
    Beynost, France
    Network Maintenance in an international environment N2 network ticketing (ServiceNow) Fortigate, Fortimanager, Fortianalyzer, Forti EMS management Cisco Switch management, Cisco ISE, Cisco Prime, WLC Network segmentation project for subsidiaries
    Cisco Fortinet Wifi Routing & Switching
  • TRUSTTEAM (Proxival)
    Systems and Network Administrator
    September 2022 - October 2025 (3 years and 1 month)
    • Infrastructure Maintenance (Windows Server, VMware, RDS, Veeam)
    • Firewall harmonization, migration from Zyxel and Mikrotik firewalls to Fortigate. Security and hardening, implementation of standardized firewall filtering. SD-WAN configuration, IPsec VPN.
    • Decommissioning of local infrastructure, decommissioning of local AD, IPsec VPN configuration to Proxival datacenter
    • Migration of file servers to SharePoint, creation of SharePoint sites, redesign of the tree structure with the client, rights matrix
    • Aruba switch configuration, VLAN management
    • Patient Wifi deployment Cloudi-fi, creation of SSIDs with captive portals, creation of firewall rules
    • Participation in Cyber crisis exercises, cyber attack simulations
    • Active Directory hardening, PingCastle, Purple Knight, drafting action plans based on ANSSI recommendations
    • Handling N1 and N2 incidents
    • Technological watch
    • IT system monitoring
  • TRUSTTEAM (Proxival)
    Technician in charge of outsourcing contract
    September 2021 - October 2022 (1 year and 1 month)
    Lyon, France
    Taking responsibility for a contract: Project migration to 365 (Files + email) Contract monitoring Billing

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Education

  • Bac+5, Expert en système d'information
    ISITECH
    2024
    Bac+5, Expert en système d'information
  • Bac+3, Responsable de projets informatique
    ISITECH
    2018
    Bac+3, Responsable de projets informatique

Skill set

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