Skills and technologies

Non-exhaustive list

  • DevOps tools: git / subversion / Docker / terraform / Nix / Salt / Ansible / Selenium
  • CI/CD: Gitlab pipelines / Jenkins / GitHub Actions
  • Programming languages: C / Perl / Python / Common LISP / Bash / Java / Nix / HTML+CSS
  • Cloud: AWS / Oracle / OVH / Scaleway / Proxmox / Xen
  • Systems: Ubuntu / Debian / Red Hat / Fedora / openSUSE / FreeBSD / OpenBSD / NixOS / Guix / Gentoo
  • VPN: IPSec / Wireguard / OpenVPN
  • Monitoring: Prometheus / Netdata / Grafana / Zabbix / Smokeping

Professional missions

Freelance · since 2023

Consultancy

  • Technical writing of public guides
  • Technical documentation for the Qubes OS project
  • VPN setup using WireGuard and OpenVPN with 2FA on PFSense
  • Configuration management via ansible deployment for on-premise servers and team training
  • Deployment of the tool Sphinx for internal documentation and team training
  • Benchmarking hosting companies to help deciding production migration
  • Migration of an on-premise email server to Office 365

Tweag · 2022 to 2023

«Developer Productivity» consultant

  • Cyber security awareness within the company
  • Support to sales teams for security related projects
  • Obtainment of an European Union grant for creating a Software Bill of Material (SBOM) generator using nixpkgs
  • Work at a client as a Nix / Linux expert
  • Work at a client as a DevOps
  • Configuring GitHub Actions on projects for CI/CD
  • Improvements of the Nix test suite
  • Reporting progress of the internal Nix team developments to the open-source Nix community
  • Teaching Linux basics and tooling internally

No Blue Screen Systems • 2021 to 2022

DevSecOps

  • Lead the DevOps team
  • Support to the cyber security defense team
  • Design and development of a CDN featuring a Web Application Firewall (WAF)
  • Documentation work
  • Support to sales teams
  • Technical assistance to L2 and L3 teams
  • Teaching Salt Stack to L2 and L3 teams
  • Writing tools for internal use by the L2 and L3 teams

Carte Blanche Conseil · 2011 to 2021

System and network operations manager / DevOps / SRE

  • Advisor to the development teams for infrastructure and security designs
  • Design of a secure high availability infrastructure over 5 datacenters in France (99.98 SLO)
  • Real-time infrastructure monitoring and incident reporting
  • Cloud and co-location management of 60+ servers using salt stack (OVH, AWS, on-premise)
  • Deployment and operation of VPN with partners
  • Development of tooling to simulate a PLC for internal testing
  • Development of automation to make a 4G USB modem a reliable backup on a remote FreeBSD router
  • Development of intranet tools: project management, incident reporting, software development issues reporting
  • Writing tender response
  • Documenting the infrastructure
  • Post-mortem after incidents
  • Generating Fedora LiveCD and FreeBSD persistent LiveUSB to distribute software

Libre Software

OpenBSD • since 2018

Voluntary Developer

  • Building and operating automated packages building infrastructure providing security updates to end users
  • Contributing to the base system and ports tree code repositories
  • Collaboration and peer review with an international development team
  • Participation in the p2k18 OpenBSD hackathon with international developers

Training

  • Git Total by Delicious Insights - 2021
  • Team management training by Landrieu Consulting - 2020
  • Hurricane Electric IPv6 Certification via ipv6.he.net - 2019
  • PFSense administration training by Osnet - 2017
  • BSD Associate Certification by BSD Certification Group - 2010
  • IT systems and software licence, at University of Bourgogne, France - 2010
  • Software engineering and embedded systems two-year degree, at University of Bourgogne, France - 2009