Hadrien Pélissier

Technostructures is an association whose aim is to create a software ecosystem : - that does not contribute to increasing labor productivity and its alienating nature, - whose design is free from the imperatives of profitability and not conditioned by the logic of industrial constraints. I contribute to Kazarma, Posca, Topos and Imago with our technical stack: Elixir for the back-end, and OCaml (with Melange) for the front-end (which transpiles into JavaScript).

Développement de compar:IA (https://comparia.beta.gouv.fr) pour le Ministère de la Culture et beta.gouv.fr. First in Gradio, then in Svetekit+FastAPI, first by deploying GPU VMs, then using litellm+openrouter/Albert APIs, created an open-source LLM arena. A year later, the dataset reached 150,000 entries and became the 4th most popular corpus on Hugging Face. We had two goals: contribute to open research on DPO fine-tuning for French language and French users' preferences, and be a vetted pedagogical resource for comparing LLM families, and learning about text-based generative AIs.

To keep pace with the growing complexity of IT, the DevOps movement is encouraging systematic experimentation under realistic conditions: we talk about "labs". At Uptime, we believe that this technical principle should also be at the heart of professional training, to ensure that learning is relevant, operational and captivating. I'm a DevOps trainer. I run training modules for the following technologies: - Docker - Ansible - Kubernetes - CI/CD with Gitlab-CI - Setting up a SIEM with ELK - Introduction to Python - Linux administration The complete list of Uptime training courses is available at: https://uptime-formation.fr/formations Some of our training materials are available here: https://supports.uptime-formation.fr/ I also carry out security audits (incident response, forensic...), and DevOps & sysadmin consulting.

I work part-time on system administration and devops for Coopaname, a cooperative. We do Ansible with AWX, Odoo, Docker, Proxmox, Mikrotik, IAM and tool hosting (BBB, Nextcloud...). We also code on Python custom modules for Odoo.

At Criteo's Internal IT, I did forensic analysis for security incidents, handled vulnerability management, and set up and configured various security and network products (Azure cloud, installing vulnerability scanners and the ELK stack ; managing firewalls, VPNs, network administration and authentication products, fine-tuning SPF/DKIM/spam email configuration…). I was also in charge of auditing the security of current and future IT projects in order to enforce Criteo's security requirements. I supervised the impact on security of all major infrastructure changes. Part of my job also included delivering awareness sessions on security best-practices both for end-users and specific audiences (developers, "power users", sysadmins, financial team…). I was coordinating with R&D and Legal teams on transversal projects.

I interned at the Americas Network on Nationality and Statelessness (www.americasns.org), a network of civil society organizations, academic initiatives, and individual experts committed to address statelessness in the Americas, hosted by the human rights advocacy NGO, CEJIL. My research work included an in-depth analysis of Haiti's legal framework regarding nationality and statelessness issues. As an intern, I also assisted in the organization of various events held in Washington, D.C. and Latin America with public and private actors to work towards the eradication of statelessness in the Americas by 2025. I also contributed to the promotion of the network through the production of communication materials, infographics and French-English-Spanish translations.

Lexsi is one of the most important cybersecurity pure-players in Europe. I interned at their CERT (Computer Emergency Response Team), where my time was split up between the Incident Response team and the Cybercrime division. Working with the Cybercrime division, my main responsibility was to do online intelligence gathering, which resulted in a lengthy investigation report on several cybercriminal group, including a technical analysis of current capacity. Together with Lexsi's Incident Response team, I provided security expertise for some of Lexsi's most important clients, performed vulnerability monitoring and vulnerability assessment, carried out forensic analysis (Volatility, fls...), as well as static and dynamic malware analysis.

I held many tasks during my internship at Ashoka. Among them, I coordinated with a small team for the organization of the biannual presentation of the nominated social entrepreneurs, that brought together more than 150 people from the Mexican civil society. I also helped carrying out interviews of social entrepreneurs, summarizing candidates' projects and assisting in every step of the project selection process.