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
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
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
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
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

