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Cherif B.CB

Cherif B.

Systems & Network Administrator | Cybersecurity

€400/day
Paris, FR
3-7 years
N2/N3 Incident Management
Infrastructure Security & Hardening
High Availability & Service Continuity
VMware & Storage Expertise
Networks & Firewalls

Average response time: 1 hour

Freelancer profile translated to English.
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About Cherif

Systems and network administrator with over 3 years of experience, primarily involved in outsourcing, maintenance, and support tasks.

I have worked on various projects, from troubleshooting Windows virtual machines to setting up complete infrastructures (virtualization, network, backup), with a particular focus on environment security (updates, hardening, access management).

Accustomed to production environments, I handle incident management and system stability maintenance.

I am particularly interested in cybersecurity and best practices for securing infrastructures, and I continuously update my skills in these areas.

I enjoy practical environments where quick understanding, responsiveness, and finding effective, uncomplicated solutions are key.

Serious, committed, and autonomous, I adapt quickly to existing environments.

Available immediately for assignments in systems administration, networks, and production support.

  • French

    Native or bilingual

  • English

    Conversational

  • Spanish

    Basic

  • Arabic

    Native or bilingual

Can work on-site
Paris (up to 10km), Paris (up to 30km)

Experience

  • Alpi - Schneider Electric
    Cybersecurity Systems & Network Administrator
    SOFTWARE PUBLISHING
    September 2025 - February 2026 (5 months)
    Paris, France
    Maintenance in Operational Condition/Run: N2/N3 in production. Switching (LAN), firewalls (SonicWall → Palo Alto migration). Pentest analysis, hardening, patching & remediation.
    Networks & Firewalls Infrastructure Security & Hardening
  • Agence de l'eau Seine-Normandie
    Systems Engineer (IT Consulting Firm Mission)
    February 2023 - March 2025 (2 years and 1 month)
    92400 Courbevoie, France
    Production Maintenance in Operational Condition: VMware/Hyper-V, Dell EMC + NetApp storage, Veeam backups. N2/N3 incident management & security coordination; firewall rule management (Fortinet). Dell EMC → NetApp ONTAP Migration: (SVM, LUN, iSCSI / NFS) with planned failovers. Disaster Recovery/Business Continuity Plan: prioritization, RPO/RTO, restore tests, backup security.
  • BNP Paribas Cardif
    Windows / Linux Systems & Virtualization Engineer
    January 2022 - June 2022 (5 months)
    92000 Nanterre, France
    Operations / N2/N3 support (Windows/Linux) in production; VMware & Dell EMC: provisioning, patching, capacity. Refactoring of Veeam/Networker backups (tests & procedures).
Check out Cherif's experience

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Education

  • Expert in Network and Systems Engineering (RNCP Level 7)
    Institut F2I
    2021
    Expert en Ingénierie Réseaux et Systèmes (RNCP 7)
  • CCNA Enterprise Networking, Security & Automation
    Cisco
    2020
    CCNA Enterprise Networking, Security & Automation
Check out Cherif's education

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