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Youcef ChourakYC

Youcef Chourak

Network & Security Engineer

€700/day
Paris, FR
8-15 years
Cisco ISE
Wi-Fi Networks
Network Security
Automation
Cisco Catalyst Center

Average response time: 1 hour

Freelancer profile translated to English.
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About Youcef

Network and security expert, CCNP double certified.

Specializing in Cisco ISE and Cisco Catalyst Center, I work on the design, security, and automation of complex LAN/WAN architectures: NAC, SD-Access, segmentation (VLAN, VRF, SGT), routing, switching, high availability, and security policies.

I operate in multi-vendor environments and design scalable, resilient architectures aligned with modern cybersecurity requirements.

Looking forward to discussing your needs!

  • French

    Native or bilingual

  • English

    Native or bilingual

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

Experience

  • Crédit Agricole Group Infrastructure Platform (CAGIP)
    Cisco ISE / DNAC Expert
    BANKING AND INSURANCE
    December 2023 - Today (2 years and 6 months)
    Guyancourt, France
    Projects completed (see CV for details):
    • Catalyst Center :
    - Catalyst Center Subsidiaries Deployment Project (pre-prod and prod)
    - Migration to Wi-Fi in the Fabric Project
    - Software obsolescence projects 2024/2025 via Catalyst Center
    • Cisco ISE :
    - Group PKI Migration Project
    - ISE Clusters Deployment Projects (Large deployment) for CA group subsidiaries:
    - TACACS ISE Cluster Deployment Project and migration of the fleet from RADIUS to TACACS+
    - Other tasks performed: purging endpoint/NAD databases without impact on several clusters and organizing/cleaning licenses on Cisco's Licensing Portal (+50k licenses moved).
    • Wi-Fi :
    - WLC AireOS chains obsolescence project
    - Wi-Fi Deployment Projects (London, Dubai, Luxembourg, Malaysia, etc.)
    - Wi-Fi densification projects
    - Wi-Fi Access Point Obsolescence Project (27xx)
    -Other tasks performed: setting up a Python script to monitor Wi-Fi roaming tests in real-time (access point detection and timestamping of access point changes).
    Cisco ISE Cisco Catalyst Center Wireless Automation SD-Access
  • SNOP du Groupe FSD
    Network & Security Engineer
    AUTOMOBILE
    March 2023 - December 2023 (9 months)
    Villepinte, France
    Projects completed:

    DNA Center Deployment Project: Migration from Cisco Prime to DNA Center:
    - Deployment of DNA Center solution appliances.
    - Migration of sites and floor plans.
    - Importing +1500 switches and WLCs onto DNA Center.
    - SWIM configuration.
    - Configuration of Network profiles and setup of configuration templates.
    - Compliance Management configuration.
    - Setup of reports and alerts.

    SG300 Replacement Project:Replacement of SG300 switches with Cisco 9K switches.
    - Creation of network diagrams for over 70 sites across 4 continents.
    - Definition of the necessary switch/SFP types for each site, after gathering information from local contacts.
    - Setup of configuration templates for office and industrial switches.
    - Remote configuration and replacement of over 300 devices within the appropriate maintenance windows for each site.

    Other tasks:
    • RUN: Handling incidents reported by network administrators.
    Cisco Catalyst Wireless Cisco Catalyst Center Checkpoint Fortinet
  • Société Générale
    Network & Telecom Engineer
    BANKING AND INSURANCE
    May 2021 - March 2023 (1 year and 10 months)
    Algiers, AL, Algeria
    Projects completed:

    • Access Management with ISE (Agile):The bank's first Agile technical project. The project consists of 3 releases of 4 Sprints:
    - Release 1: Change of ISE architecture.
    - Release 2: Deployment of ISE at remote sites.
    - Release 3: Reconfiguration of ISE at headquarters.

    As Agile Master, I was responsible for:
    - Changing the architecture from "Small deployment" to "Medium deployment".
    - Deployment of ISE-based access management across 92 bank sites without service interruption.
    - Upgrade of the Posture Assessment agent and change of authentication protocol on 1500 workstations, without service interruption.
    - Improvement of profiling and implementation of new features like "Anomalous Detection" and "Adaptive Network Control".

    • Internet Link Monitoring:Implementation and configuration of a monitoring solution for the bank's various internet links, based on Grafana.
    As Project Manager, I was responsible for:
    - Needs assessment and Proof of Concept (POC) execution.
    - Configuration of the solution's various components.
    - Configuration of dashboards displaying metrics from different equipment.

    • In addition to RUN, other tasks performed:
    - Change of network equipment nomenclature.
    - Hardening of the bank's L2/L3 equipment.
    - Repair and reconfiguration of the Netflow solution.
    Wi-Fi Networks Cisco ISE Network Administration Network Security Fortinet
Check out Youcef's experience

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Education

  • Awards & Distinctions: 4013 Recognition
    National Security Agency (NSA) / Committee on National Security Systems (CNSS)
    2026
  • Awards & Distinctions: 4011 Recognition
    National Security Agency (NSA)/ Committee on National Security Systems (CNSS)
    2026
Check out Youcef's education

Certifications

Youcef's certifications are only visible to Malt Community members

Skill set

Network Administration
Information Security
Wi-Fi
Cisco ISE
Cisco Catalyst Center

Categories