Ousaid Abbaz

Senior Network Architect | Fortinet & Cisco

Salaire / Taux journalier

Paris, France

Freelance

Expertises

AnsiblePythonTerraformLinuxSplunkCybersécuritéITILWindows

Langues

Anglais (Courant)Français (Courant)

À propos

Introduction

Network & Security Architect with 15+ years designing enterprise-grade infrastructure for Fortune 500 clients. Expert in SDA, SDWAN, ISE, and multi-vendor security solutions (Fortinet, PaloAlto, Cisco). Currently architecting critical projects at Novo Nordisk and Groupe BPCE, delivering seamless migrations with zero downtime. I transform complex network challenges into scalable, secure solutions that reduce TCO and enhance performance.

Liens

Expérience de travail

Network Architect

Novo NordiskFreelance

août 2024 - Présent

2 ans 3 mois

28000 Chartres, France

• Designed and implemented advanced network solutions for the FFEX expansion project, focusing on SDA Campus Network and SDWAN. • Managed the integration of DNAC, ISE, and security solutions like PaloAlto, enhancing network reliability. • Led the migration of infrastructure block by block, ensuring seamless transitions and minimal downtime.

Senior Network Architect

Groupe BPCEFreelance

oct. 2022 - Présent

4 ans 1 mois

EPS Ensemble Protection Sociale 4 Rue Ferrus, 75014 Paris

• Designed and implemented high-level and low-level network architecture for FortiNAC solutions. • Conducted presales activities and provided expert guidance on FortiClient and Fortigate security solutions. • Managed routing and switching tasks utilizing Cisco technologies across multiple sites in Paris and Reims.

Network Security Architect

Inmac wstoreFreelance

févr. 2024 - juil. 2024

6 mois

Paris, France

• Served as a Network Security Architect at Inmac wstore, focusing on WAN infrastructure. • Conducted reverse engineering of existing LLD and HLD deliverables to optimize network design. • Sized target solutions during presales consulting, ensuring alignment with client needs. • Developed a detailed migration plan for WAN infrastructure utilizing Fortigate and Cisco routing technologies.

Senior Network Security Consultant

GTT (Gaztransport & Technigaz)Freelance

nov. 2022 - déc. 2023

1 an 2 mois

Paris, France

Network Architect/Security Network Consultant o Reverse engineering of the existing plateforme , LLD HLD deliverable of the GTT infrastructure which contains: o Security: Fortigate, ForcePoint, PaloAlto, o Campus Network : Fabric Cisco 9500/9300 (BGP, IS-IS,LISP.) Micro-segmentation DNA Center, ISEv 3.0, WLCv9800, with fusion point as PaloALto ( VRF) , Border 9500, Edge 9300 Underlay : IS-IS BGP Overlay : LISP , VxLAN, TrustSec SGT . o Synoptic data exchange between North /south Est /Ouest o Structure The WAN Map Outside to Inside & DMZ , Partners , remote sites , LLD DLD o Subdivided the platform into several service areas o Passive DC Displacement (Operating Mode, ITIL Standard, Prince2) Build to run o Perform the Migration Test and Validation Plan (HNO) operations o Audit of the platform to highlight the various problems and inconsistencies and then correct them and propose solutions. In particular, WAN (LLD DLD, DAT ) o Architecture to virtualize Fortigate front-end firewalls / Force Point On promised on an ESXI LLD HLD DAT MOP HNO platform ( organized changes in ITIL Method ) o As We Can automated tasks from the infra team (Ansible , Python). o N3 For delivery service Networks & Security Tshoot Analysis & Solution o Build to run & support N3 for the remote sites Cisco, Fortigate , Cisco Meraki MX HA MS210 o N3 support from the Run team composed of 8 SYS Admin Resources Tshoot N3

Senior Network Architect

Swisslife RIOMFreelance

mai 2022 - oct. 2022

6 mois

7 rue Belgrand 92300 Levallois Perret

• Conducted presales process analysis to identify errors between N3/N2 Architects, minimizing total cost of ownership (TCO) for projects. • Implemented security measures utilizing F5 LTM-ASM-APM and Firewalls (StoneSoft-Checkpoint) orchestrated by VRA/VRO (Ansible). • Developed low-level design (LLD) and high-level design (HLD) documentation through reverse engineering techniques.

Senior Network Architect

ThalesFreelance

janv. 2022 - mai 2022

5 mois

Church Hill, Rose Hill, Co. Kilkenny, Irlande

• Designed and implemented security and network architecture for the Grand Paris Express Line 15, 16, and 17 projects. • Utilized MPLS, OSPF, QoS, and VRRP protocols to enhance network performance and reliability. • Integrated security solutions using Fortinet and Stormshield to ensure data protection and compliance.

Security & Network Engineer

Capgemini Engineering

sept. 2020 - déc. 2021

1 an 4 mois

Paris, France

• Conducted reverse engineering of existing platforms to enhance security and network performance. • Reproduced systems on DC target DRT EQUINIX & ZYO ZCOLO utilizing ITIL methodologies. • Managed security protocols using Checkpoint, FORTIGATE, and Cisco ASA to ensure robust network integrity. • Collaborated with cross-functional teams to troubleshoot and optimize network solutions using Brocade and Cisco technologies.

Security and Network Engineer CCNP/HCNP R&S/NSE4/JNCIA

AEBDM

sept. 2010 - mars 2020

9 ans 7 mois

Casablanca, Maroc

Network Consultant Engineer

Netcom Technologies MAROC

sept. 2007 - oct. 2010

3 ans 2 mois

Technopark Casablanca

En charge des projets Cisco , Chef de projet Fonctionnel , Poste Pre-sales Intégration and support ( Technologies Cisco), (Chargé de Compte ).

IT Manager

TeleTech

janv. 2005 - janv. 2007

2 ans 1 mois

Rabat, Maroc

IT Manager

Webhelp

janv. 2002 - mai 2005

3 ans 5 mois

Rabat, Maroc

IT Manager (Voip Alcatel Crystal 4400 EntrpriseM3)/Plateforme Cisco FW , R&S ,


Formation

NBCC (New Brunswick Community College)

Technology & Networking

3iL Ingénieurs


Licences et certifications

Juniper Networks Certified Associate - Junos (JNCIA-Junos)

Délivré le : juin 2026

Certifié par Juniper Networks

CCNP R&S Cisco Certified Network Professional

Délivré le : juin 2026

Certifié par Cisco

HCNP R&S Huawei Certified Network Professional

Délivré le : juin 2026

Certifié par Huawei

NSE4 Network Security Expert

Délivré le : juin 2026

Certifié par Fortinet

NSE 7 Network Security Architect

Délivré le : juin 2026

Certifié par Fortinet

Wallix WAB

Délivré le : juin 2026

Certifié par WALLIX Group

PCNSE

Délivré le : juin 2023

Certifié par Palo Alto Networks

PCNSA

Délivré le : sept. 2022

Certifié par Palo Alto Networks

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