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Gabriel HondemaGH

Gabriel Hondema

NETWORK AND SECURITY CONSULTANT

€500/day
Bordeaux, FR
8-15 years

Average response time: A few days

Freelancer profile translated to English.
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About Gabriel

Welcome to my profile!

I am Gabriel Hondema, an engineer specializing in networks and cybersecurity, with solid experience in IT infrastructure administration and security. My goal is to support companies in the management, optimization, and security of their IT systems through audit, consulting, and technical implementation missions via my company Azertis.

What I offer:
- Infrastructure Audit & Security (networks, firewalls, WAF, VPN, segmentation, hardening)
- Equipment Administration & Maintenance (Cisco, Palo Alto, Fortinet, Stormshield, CheckPoint...)
- Monitoring & Metering (Zabbix, Prometheus, ELK, Splunk)
- Automation & Scripting (Bash, Python, PowerShell)
- Migration & Integration (MCO, migration to Proxmox, backup management, virtualization)
- Cybersecurity, Active Directory, and monitoring training & support

Why work with me?
- Experience: successful missions at Safran, Peaksys (Cdiscount), ADACIS, and more.
- Proven methodology: expertise in security audits, crisis management, and incident response.
- Versatility: intervention on networks, cloud, and information system security.
- Educational approach: ability to train and support teams to strengthen their autonomy.

Availability: flexible for remote missions (France) or on-site (Bordeaux/Biscarrosse region).
Interested? Let's discuss your cybersecurity and IT infrastructure needs together!
  • French

    Native or bilingual

  • English

    Fluent

  • Spanish

    Conversational

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

Experience

  • GOSSELIN IMMOBILIER
    Outsourced IT Management
    REAL ESTATE
    April 2026 - Today (2 months)
    Biscarrosse, France
    Outsourced IT management for the company GOSSELIN IMMOBILIER.
    Consulting and expertise on the client's IT infrastructure:
    - Computer selection
    - Technology solution selection
    - Support for employees
    - Operational maintenance
    - Continuous improvement proposals
    - Cost optimization
    Administration système IT Service Management Digital Transformation Conseil Réduction des coûts
  • LEROYMEDICAL
    Prestashop Website Redesign
    HEALTH AND WELLNESS
    March 2026 - April 2026 (1 month)
    Dax, France
    Redesign of an e-commerce Prestashop website.
    Website update. Visual redesign. User experience improvement. Merging of two websites.
    Digital Transformation Réduction des coûts Conseil
  • ECPB33
    Website Development
    EDUCATION AND E-LEARNING
    March 2026 - April 2026 (1 month)
    Biscarrosse, France
    Redesign of the ECPB33 driving school website. User experience optimization. Professional and group image. Creation of images/videos using artificial intelligence while respecting the company's graphic charter and the use of company vehicles.
    Digital Transformation IA générative Montage vidéo Développement web

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Education

  • Manager in Information Systems Infrastructure and Cybersecurity (Master's Degree)
    CESI
    2023
    Concevoir l'infrastructure du système d'information Design des infrastructures réseaux Design des infrastructures virtuelles et cloud Technologies DevOps Expertise des infrastructures réseaux Expertise des infrastructures virtuelles et cloud Technologies SysOps Stockage des données d'entreprise Projet collaboratif Conception infrastructure SI Validation Concevoir l'infrastructure du système d'information Superviser le portefeuille projets de la DSI Supervision du portefeuille projets Plan de management de projet Méthodes agiles Suivi, clôture et capitalisation des projets Projet collaboratif Portefeuille projets Validation Superviser le portefeuille projets de la DSI Sécuriser les infrastructures du système d'information Design des infrastructures sécurisées Audit, normes et règlementation en cybersécurité Sécurité du cloud Expertise des infrastructures sécurisées Ethical Hacker Gestion de crise en Cybersécurité Sécurité des Serveurs et des OS Projet collaboratif Sécurité des infrastructures SI Validation Sécuriser les infrastructures du système d'information Manager les équipes et la transformation du SI Posture du manager Management du changement Urbanisation et gouvernance du SI Règlementation, normes et bonnes pratiques de management des SI Projet collaboratif Management SI Validation Manager les équipes et la transformation du SI Développer ses pratiques professionnelles Culture thématique Pratique de l'anglais métier Responsabilité éthique et sociétale du manager Projet professionnel Actualités métier et/ou territoire Retour d'expérience et projection Certifier ses compétences de Manager en infrastructures et cybersécurité des systèmes d'information Team building : cohésion d'équipe Pensée critique Éloquence Argumenter pour convaincre

Skill set

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