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Bernard D.

Administrateur systèmes et réseaux freelance

    TJM
    À partir de 520 €/jour
    Localisation
    Liège · Full remote
    Langues
    Français

    Disponible immédiatement · 20 ans d'expérience

    Compétences

    • Cisco4/5
    • Windows Server4/5
    • Azure4/5
    • Linux4/5
    • Nagios4/5
    • ITIL4/5
    • Red Hat4/5
    • vSphere4/5
    • Microsoft 3654/5
    • PRINCE24/5
    • E-commerce4/5
    • WordPress2/5
    • Shopify3/5
    • WooCommerce2/5
    • Ansible2/5
    • VMware3/5
    • Active Directory3/5
    • Centreon3/5
    • Fortinet3/5
    • PKI3/5

    Spécialités

      Expériences

      1. Infrastructure Engineer

        2017 — 2024

        • Owned the day-to-day health of the full IT infrastructure: [X] servers, [Y] users, multi-site environment. • Managed Cisco & Huawei switching, Juniper & Fortigate firewalls, VNX & Huawei storage. • Administered vCenter virtualization (RHEL, CentOS, Windows Server 2008R2–2022). • Delivered modernization projects: RDS farm implementation, production server upgrades, dev/prod environment alignment for risk-free proof-of-concept testing.

        • Windows Server
        • Cisco
        • Red Hat
      2. ICT Consultant / ICT Coordinator

        2012 — 2017

        • Design, implementation and worldwide maintenance of the Humanitarian Aid ICT infrastructure (interim ICT manager). • Cisco VPN interconnection of field sites across [N] countries; Cisco switching, Cisco Meraki wireless. • VMware ESXi/vSphere servers on IBM hardware — Windows 2008R2/2012R2, multi-domain Active Directory forest. • Secured WiFi with RADIUS + PKI certificates, WDS deployment, centralized antivirus & backup, KMS, Nagios monitoring.

        • VMware
        • Active Directory
        • Cisco
        • Nagios
        • vSphere
        • PKI
      3. Service Engineer, Network Operating Center

        2008 — 2011

        • Monitored and troubleshot the international telecom backbone and leased lines — 24/7/365 availability. • Cisco 7200/7600, Catalyst 6500; Siemens, Alcatel, Marconi transmission; Nagios, Ubuntu.

        • Cisco
        • Nagios
      4. 1st-level NEC Support Engineer

        2005 — 2007

        • Helpdesk support for servers, workstations and networks (hardware + OS: Windows Server 2000/2003, Red Hat Linux). • Delivered computer-security trainings (Norman Antivirus technical agents): security fundamentals & antivirus troubleshooting. • KEY SKILLS • Cisco & network: Cisco ASA, Ironport, ISE, Catalyst switches, Meraki APs & VPN concentrators • Microsoft: Windows Server 2008R2–2022 (certified 2012R2), Exchange, Azure, Microsoft 365 • Virtualization: vCenter (Fasttrack 8), ESXi, vSphere, Workstation, VirtualBox • Linux: CentOS administration (professional), Ubuntu, Kali, Debian; EyesOfNetwork & Centreon monitoring • Automation & other: Ansible, Fortinet, Juniper NetScreen, Huawei OceanStore & switches, VOIP basics • Web: WordPress, WooCommerce, Shopify, Wix — web & e-commerce delivery

        • WordPress
        • Shopify
        • WooCommerce
        • Azure
        • Ansible
        • Linux
        • Windows Server
        • Cisco
        • Centreon
        • Red Hat