À propos de Alexandre
Ingénieur et Architecte en Réseau et Sécurité.
Également passionné par la Cybersécurité.
Plus de 15 ans d'expériences.
J'ai travaillé :
- Au Luxembourg : Post Luxembourg, Kneip, Société Générale, BGL et la Banque Centrale du Luxembourg et Arendt.
- En Belgique : SNCB , Atos Wordline et Orange.
- En France : Telindus
Allemand
Bilingue ou natif
Luxembourgeois
Notions
Français
Bilingue ou natif
Néerlandais
Capacité professionnelle limitée
Anglais
Capacité professionnelle complète
Accepte de travailler sur site
Luxembourg (jusqu’à 50 km), Bruxelles (jusqu’à 50 km)
Expériences
- Banque centrale du LuxembourgNetwork and Security Engineer + Architectdécembre 2020 - Aujourd'hui (5 ans et 8 mois)LuxembourgINTERVENTION:• Implementation of an Infoblox solution (DNS part only)• Implementation of the F5 architecture (LTM/ASM/APM)• Config of F5 ASM to replace McAfee (Skyhigh) Proxies for Openshift Cluster (automation with Ansible).• Backbone and Datacenter Hardware replacement• Checkpoint Firewalls Hardware/Software replacement• Network Access Control (NAC) implementation with 802.1x (MAB as fallback) on Cisco ISE• Implementation of Cisco DNA for monitoring and administrating Cisco switches/routers/APs• Replacement of old Cisco 3750 (-x) Access Switches with Cisco 9300 Switches• Continuously upgrading our devices after new CVE's• Doing support and create HLD and LLD schema• Cabling Copper or Fiber Optic Cables and supporting/managing external technician• Participating in the BCL Architectural committee and the Change Advisory Board (CAB)• Cybersecurity Exercises in Basel with other central banks security experts (CTF like competition) + Attending Cisco Live for the last 3 years
- KneipNetwork and Security Engineeraoût 2017 - novembre 2020 (3 ans et 3 mois)LuxembourgINTERVENTION:• Provide ongoing administration and support of the network and security systems• Participate in local and global projects within the company• 2nd and 3rd level support• Write documentations and follow the technology evolution• Maintenance and different upgrades of our equipment• Periodically internal pentest (network/os/application)• Malware analysis• Event Logs/Incidents Review• Security courses to non technical employees about Phishing,Malware,etcTECHNICAL ENVIRONMENT:• Firewalling: Stonegate, Checkpoint, Fortigate, F5 Big IP ASM• Networking: CISCO (IOS, ISE, WLC), F5 Big IP LTM• Operating Systems: RHEL6/7, Oracle Linux, Windows Server 2012R2, Windows 7-10• Services: FTP (vsftpd), Webservers (Apache, JBoss, OHS, IIS), Application servers (Oracle Application Stack; SOA, OSB, ODI, BI)• Applications: External and internal Applications (InHouse Developed based on Ruby, java and .net)• Monitoring: Opsview Monitoring Enterprise / Nagios• Virtualization layer: VMware• Scripting: Shell, perl, Powershell• Pentest: Nmap, Nessus, Metasploit, Burpsuite, etc• Malware Analysis: VirusTotal, IDA, Cuckoo, SysAnalizer• SIEM tool : Splunk
- POST LUXEMBOURGNetwork and Security Engineerjanvier 2016 - juillet 2017 (1 an et 6 mois)LuxembourgINTERVENTION:• Plan, implement and deploy effective solutions• Security and network infrastructure core components administration• 2nd and 3rd level support of ICT customers related to incident management and request fulfilment• Work with publishers and manufacturers• Optimize the infrastructure by developping scripts and software• Write documentations and follow the technologie evolution• Maintenance and different upgrades of our equipment.TECHNICAL ENVIRONMENT:• Firewall, DNS, DHCP, Load Balancing, VPN• Checkpoint, Fortinet, Radware, Pulse Secure, Juniper, Infoblox, Cisco switches, Ironport, ACS, HP switches.
Recommandations
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Formations
- Master of Information System ManagementUNIVERSITY OF LUXEMBURG2026Master in Information System Security Management.
- Bachelor of Science in Information TechnologyInstitut of Higher Education of Namur.2011Bachelor in Information Technology.