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Dorian WilhelmDW

Dorian Wilhelm

Your sovereign open-source infrastructure, turnkey

€500/day
Saint-Pierre-d'Oléron, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Dorian

Your data is worth more than you think. Some have understood this before you.

Every day, your business generates valuable information: customers, quotes, exchanges, methods, files. Today, they almost all live on servers that are neither yours nor European. With AI, they have become the fuel for an industry that will never ask for your opinion before using them.

The issue is no longer marginal. The Gendarmerie Nationale understood this as early as 2001: today, 97% of its workstations run on Linux, saving 500 million euros over 20 years. Since February 2026, the French State is also accelerating: sovereignty doctrine, DINUM's migration to Linux. What seemed like activism is becoming public policy.

For an SME, a freelancer, or a micro-enterprise, the challenge is not geopolitical.

It's daily fragility: account suspension, price hikes, global outages, AI learning from your documents.

My job: to help you take back control, step by step. Build a realistic path towards an infrastructure that belongs to you, hosted by European providers (OVH, Scaleway, Hetzner) outside the US Cloud Act, unlike Google or AWS even "in France".

Email, files, project management, website, backups, code forge. Without breaking what works.

Started in development before moving into open-source infrastructure. 5 years of experience, including 3 in production operations.

I work within Babel.coop, a cooperative of independents that also entrusts me with managing its own information system.

Audits, design, operations, training, or occasional security missions.

Always the same logic: that you leave with something you understand and control.

Available remotely or in Charente-Maritime. If your current infrastructure no longer suits you, write to me. Let's take a moment to discuss it.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Saint-Pierre-d'Oléron (up to 50km), La Rochelle (up to 30km), Niort (up to 20km), Rochefort (up to 20km), Saintes (up to 20km)

Experience

  • BABEL.COOP
    IT Systems Manager
    April 2026 - Today (2 months)
    Niort, France
    Manager of the information systems for Babel.coop, a cooperative of digital freelancers structured as a social and solidarity economy SCIC.

    My scope covers the administration of internal servers and services, operational and security maintenance, as well as user support for members.

    Data sovereignty is at the heart of the project: open-source tools, self-hosting, no dependence on major platforms. The infrastructure reflects the cooperative's values.

    The role is part of a continuous improvement logic: document, make reliable, simplify so that tools serve members without friction.

    Governance is horizontal: technical choices are proposed, documented, and submitted for collective decision.
    Shared Governance Linux System Administration Digital Sovereignty OVH Docker
  • Yieloo
    System and Cloud Administrator
    SOFTWARE PUBLISHING
    June 2025 - September 2025 (3 months)
    Saint-Grégoire, France
    Administration of the intraknow solution developed by Yieloo.

    Multi-server management, PHP web application.
    CentOS OVH OVHCloud Ansible Rundeck
  • Tibco
    SOC Analyst L2
    DIGITAL AND IT
    August 2023 - September 2024 (1 year and 2 months)
    Nantes, France
    Tibco, a French IT consulting company founded in the 80s, distinguishes itself through its expertise in telecommunications, networks, and new technologies, with an approach focused on innovation and service quality. As part of the Sentinelle service, a cyber defense solution, the experience involved contributing to real-time monitoring (SOC/NOC) and rapid response (FIR) to secure businesses' digital infrastructures.
    • Log collector monitoring and operational maintenance
    • Monitoring and handling of security incidents within and outside of defined scenarios.
    • Support and training for L1 SOC analysts
    • Client support for improving their security perimeter
    • Improvement and adjustment of detection rules and scenarios in cooperation with L3 SOC analysts
    • Preparation and facilitation of operational review meetings
    Cybersecurity Security Log Analysis SOC Crisis Management Forensics

Recommendations

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Sixtine L and 1 other person have recommended Dorian

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Education

  • Baccalauréat, système électronique numérique
    lycée Jacques Brel Lormont
    2016
    Baccalauréat, système électronique numérique
  • Master of Science in Cyber Security
    Bordeaux YNOV Campus
    2021
    Master, Cyber Sécurité

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