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Oussama A.OA

Oussama A.

Expert Sécurité Réseau

€667/day
Paris, FR
15+ years

Average response time: 1 hour

About Oussama

Goal-oriented and collaborative IT professional with experience applying network design, installation, administration, and configuration to support growing business needs.
Proven analytical and problem-solving skills and adept at communicating with both technical and non-technical audiences.
Experienced in system documentation and creating policies to meet the needs of dynamic and continuously changing environments.

Certifications :
Fortinet :
NSE7 | Fortinet Network Security Architect

Palo Alto Networks :
PCNSE | Palo Alto Networks Certified Network Security Engineer

Cisco :
SSFIPS | Securing Networks Cisco Firepower Next-Generation IPS
SENSS [CCNP Sec] | Cisco Edge Network Security Solutions
CCNP RS | Cisco Certified Network Professional Routing and Switching
CCNA Security | Cisco Certified Network Associate Security
CCNA | Cisco Certified Network Associate
CCENT | Cisco Certified Entry Networking Technician

Juniper :
JNCIS-ENT | Juniper Networks Certified Internet Specialist - Enterprise Routing and Switching
JNCIA | Juniper Networks Certified Associate Junos

HP :
MASE | Master Accredited Systems Engineer
ASE | Accredited Systems Engineer
AIS | Accredited Integration Specialist
APS | Accredited Platform Specialist

Fortinet | Check Point :
FCNSA | Fortinet Certified Network Security Administrator
CCSA | Check Point Security Administration
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Carrefour
    Expert Sécurité Réseau & Cloud
    RETAIL (LARGE RETAILERS)
    November 2024 - Today (1 year and 7 months)
    ▸ Définition des architectures cibles Datacenter et rédaction des HLD / LLD / DMEP.
    ▸ Contribution à la rédaction du RFP Firewall groupe.
    ▸ Migration des firewalls Check Point vers Fortigate et Palo Alto.
    ▸ Mise en place de tunnels VPN / GRE entre Netskope et Palo Alto.
    ▸ Accompagnement des migrations vers Cloud Azure : VNet, VNG, NSG, ExpressRoute, peering.
    ▸ Côté automation : Développement de scripts Python exploitant les APIs FMG/FGT pour extraire, générer et déployerautomatiquement des configurations via des templates Jinja2, avec industrialisation des pushs de policies, objets etroutes afin d’accélérer les vagues de migration.
    ▸ Support N3 sur l’ensemble du périmètre.

    Environnement technique: Cisco Catalyst / Nexus 9K, Fortinet (FortiGate, FortiManager), Check Point, Palo Alto, Azure, GCP, Netskope,Cato Networks, Python, Jinja2, FMG API REST
    Cisco Technologies Fortinet Checkpoint Palo Alto Microsoft Azure
  • TotalEnergies
    Expert Sécurité Réseau
    ENERGY AND UTILITIES
    September 2022 - October 2024 (2 years and 1 month)
    Paris, France
    Définition de l’architecture technique et rédaction des documents (HLD/LLD).• Préparation des documents nécessaires pour le déploiement en production (DMEP).•
    Déploiement d'une infrastructure ADSI comprenant des équipements Cisco N9K, Fortigate et Checkpoint.•
    Migration des firewalls Checkpoint vers Fortigate & Palo Alto•
    Upgrade Cisco ISE de 2.7 vers 3.2•
    Support N3 sur l’ensemble du périmètre.

    Environnement Technique :Cisco Series (Catalyst / N9K), Cisco ISE, Arista, Fortinet (FortiManager, FortiAnalyser, FortiGate, FortiConverter),CheckPoint, Palo Alto, F5 LTM, Infoblox, Algosec, Python
  • Société Générale
    Security Expert
    BANKING AND INSURANCE
    January 2018 - July 2022 (4 years and 6 months)
    Île-de-France, France
    Responsable des différentes plateformes critiques sous mon périmètre.•
    Prise en charge des projets de bout en bout.•
    Référent Technique Fortinet/IPS/Gigamon•
    Gestion des upgrades et migrations d’infrastructures complexes.•
    Traitement de l'obsolescence logicielle et matérielle.•
    Rédaction des documents d’architectures et de mise en production (HLD/LLD/DMEP).•
    Déploiement des firewalls Fortigate, Cisco IPS et Gigamon•
    Transfert de compétence et formations techniques.•
    Support N3 sur l’ensemble du périmètre dédié.

    Environnement Technique :Cisco Series (Catalyst / Nexus / ASR 9K), Cisco ACI, Cisco ISEIPS - Cisco Firepower® NGFW (2K, 4K, 9K) & SourceFire (7K, 8K)Fortinet (FortiManager, FortiAnalyser, FortiGate), CheckPointGigamon (FM, HC2 & HC3), Citrix Netscaler (VPX, SDX), Python

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Education

  • Master of Engineering
    Time
    2012
    Master of Engineering in Computer Systems Security and Network

Certifications

Skill set

Categories