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Thomas DuboisTD

Thomas Dubois

Open Source System and Network Engineer

€700/day
Paris, FR
15+ years

Average response time: 1 hour

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About Thomas

👋 Hello, I'm Thomas, an IT engineer with over 15 years of experience, passionate about open source technologies, Linux systems, and the digital autonomy of small organizations.

I assist SMEs, associations, and local authorities with:
- Deploying collaborative solutions (Nextcloud, Odoo, Dolibarr…)
- Linux server administration and data security
- Setting up self-hosted private clouds
- Developing and maintaining open source websites
- Remote training for teams on IT tools
- Implementing support for digital agencies

I offer clear and effective solutions, tailored to your needs, with transparency and proximity.

✅ Responsive, pedagogical, and autonomous: I am your trusted technical partner to build a solid, free, and controlled infrastructure.

🧰 Key technical skills:
- System Admin: Debian, Proxmox, Apache, Nginx, Postfix, MySQL, Zabbix
- Collaborative Tools: Nextcloud, Jitsi, OnlyOffice, Mattermost
- ERP/CRM: Odoo, Dolibarr, GLPI
- Web Development: PHP, Bash, HTML/CSS, CMS (WordPress, Joomla, Spip)
- Scripting / Automation: Bash, Python, backups, monitoring
- Cybersecurity: Firewalls, audits, open source best practices
- Training: Remote IT for non-technical teams

🎯 Packaged offers:
1. Secure Open Source Cloud Deployment + Hosting — starting from €1,200
> VPS server + encryption + collaborative access + training

2. Linux Server Maintenance (monthly) — €290 / month
> Updates, monitoring, backups, support

3. Dolibarr / Odoo Pack for VSEs/Associations — €1,500
> Installation + configuration + user training

4. Self-hosted WordPress Showcase Site — €900
> Development + security + launch

📍 Location: Paris (75017)
✅ Available for 100% remote missions

💶 Daily Rate: starting from €500
  • French

    Native or bilingual

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

Experience

  • Be-Numerik
    System Engineer
    CONSULTING AND AUDITS
    January 2022 - Today (4 years and 5 months)
    Paris, France
    Security
    - Securing open source services and servers
    - Defining technical architectures (PFsense/Proxmox/Debian)
    - Virtualization
    - Implementing monitoring solutions for clients

    E-Commerce
    Implementing e-commerce solutions
    Implementing high-traffic scaling solutions

    Part-time Technical Director
    Disaster Recovery Plan (DRP) / Business Continuity Plan (BCP) management
    Setting up new servers/services
    Technical consulting for clients on new products/evolutions
    Custom development for large accounts and VSEs & SMEs (CEA, Ministries,...)


    Infrastructure & Network
    Setting up hosting solutions for digital agencies
    OVH, Scaleway, AWS, On-prem infrastructures
    Setting up multi-site networks

    Site Security
    Access control
    Video surveillance
    Home automation
    Setting up professional Wi-Fi
  • AFPA
    Trainer
    EDUCATION AND E-LEARNING
    February 2017 - October 2022 (5 years and 8 months)
    Interventions with various audiences (career changers, job seekers, continuing education) in IT professions (Technician, Network Administrator, and Developer)
    Implementation of innovative technical solutions to overcome COVID-19 lockdowns
    Motivating learners to minimize dropout rates
  • Softia
    Part-time CIO/CTO
    DIGITAL AND IT
    January 2006 - January 2016 (10 years)
    For multiple clientsVSEs/SMEs/Large accounts such as: Ordre des experts comptables IDF, BTP Consultants, Groupe Gorgé, Mattel

    For clients:
    Taking over IT park maintenance
    Management of backup policies, DRP, BCP
    Project management (e.g., EDI implementation, VoIP implementation, business application development, ...)
    Contract monitoring, verification of compliance with guarantees and commitments
    Internal development and TMA of several software packages
    Writing and execution of acceptance test plans

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Education

  • Expert in Information Technology
    EPITECH
    2008
    Expert en technologie de l'Information
  • Scientific Baccalaureate, Mathematics option
    2003
    Baccalauréat Scientifique, option Mathématiques

Skill set (37)

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