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Gabriel HondemaGH

Gabriel Hondema

NETWORK AND SECURITY ENGINEER

€555/day
Bordeaux, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Gabriel

Network & Security Engineer | IT Consultant | Trainer
Dynamic professional based in the Landes region, I offer my expertise in infrastructure, cybersecurity, and monitoring to support companies in their digital challenges.

With over 5 years of experience, I have worked within demanding organizations such as Safran, Cdiscount, and ADACIS on high-criticality projects: design and deployment of secure platforms, network & datacenter administration, compliance, audits, forensics, etc.

As a trainer for engineering schools (CESI), I also focus on system hardening, Active Directory, and monitoring solutions. Pedagogical and rigorous, I offer a tailor-made approach based on a thorough understanding of business needs and constant monitoring of cybersecurity best practices.

Key Skills:

IT Management (NAS, Office 365, support)

Network (Cisco ACI, Catalyst, ASR, HP, Huawei…)

Security (Stormshield, PaloAlto, Fortinet, WAF, proxy…)

Monitoring (Zabbix, Prometheus, ELK, Splunk, Graylog)

Automation (Bash, Python, PowerShell)

Project methodology, documentation, crisis management

Curious, responsive, and solution-oriented, I favor human and transparent relationships with a real sense of service.
  • French

    Native or bilingual

  • English

    Fluent

Can work on-site
Bordeaux (up to 50km), Paris (up to 50km), Nancy (up to 50km), Montpellier (up to 50km), Limoges (up to 50km)

Experience

  • AZERTIS
    Manager
    December 2024 - Today (1 year and 6 months)
    Co-founder and manager of Azertis, I support VSEs/SMEs and public organizations in managing, securing, and optimizing their IT infrastructures. I provide audit, consulting, outsourcing, network and security, training, virtualization, and advanced troubleshooting services.

    Recent missions:
    • IT Outsourcing – Lili (SOVILO): monitoring, preventive maintenance, park management, security, user support.
    • Mapping – Savane Vision: infrastructure analysis, detailed network mapping, risk identification, and recommendations.
    • P2V Migration – DIRMED: conversion of physical servers to VMs, optimization, compliance, and documentation.
    • IT Outsourcing for a real estate management company: support, operational maintenance, backups, network optimization.
    • Management of a WordPress site for a driving school: updates, security, performance, content integration.
    • Computer troubleshooting: network/workstation incidents, email, data recovery, commissioning of new equipment.
    • IT Audit & Consulting: risk assessment, technical recommendations, action plans, documentation.
    • Training & Jury: Trainer and jury for various higher education schools in the Gironde region, I help apprentices develop their skills in IT (systems, networks, and organizational).
    Key skills: networks, systems, cybersecurity, virtualization (Proxmox/VMware), monitoring (Zabbix/ELK), documentation, L2/L3 support, project management.
    Cybersecurity IT Audit IT Architecture IT Service Management IT Architecture
  • CESI
    Trainer
    EDUCATION AND E-LEARNING
    December 2024 - Today (1 year and 6 months)
    Bordeaux, France
    • Training on IT hardening;
    • Training in Active Directory system;
    • Training in monitoring.
  • RAIL INGENIERIE
    IT Management
    MECHANICAL ENGINEERING
    December 2024 - Today (1 year and 6 months)
    Mérignac, France
    • Management of the Office 365 suite;
    • Management of the QNAP NAS server;
    • Consulting on the information system;
    • Operational maintenance of workstations and user support.

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Education

  • Manager in Information Systems Infrastructure and Cybersecurity (Master's Degree)
    cesi
    2022

Skill set

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