--- title: "Work experience of Olivier Duquesne" description: "Work experience of Olivier Duquesne" url: https://vutuv.de/olivier_duquesne/work_experiences type: work_experiences schema_version: 3 generated_at: 2026-11-12T02:17:27Z noindex: true noai: true --- # Work experience of Olivier Duquesne 21 total - Site Reliability Engineer @ TECHSYS - Site Reliabilty Engineer @ ADEO (2026-09 – today): Techsys consulting : Accelerate #SRE mindset in Global Tech & Data Plaform . Main goals are Observability, Eliminating Toil, Platform Engineering, Change management or Disaster Recovery Plan. What I did : * diffuse SRE mindset to operational teams * embrace risk with a postmortem routine and Change Advisory Board * offer Critical User Journey from infrastructures to Product teams * AIOps tooling - Site Reliability Engineer @ Techsys (2011-09 – today): Techsys is an IT service company. As the name indicates, it is specialized in Technic and Systems. Our skills are mainly definition, setup and adminisitration of IT infrastructures supporting IT projects. Techsys is a company with a lot of skills and very smart people. If you need to improve your system, optimize your TCO or just setup a new supervision system, please get in touch. - Secretary @ Le Grand Mix [Volunteering & hobbies] (2004-09 – today): artsAndCulture · Communication diffusion, entrances check-in, merchandising seller, catering I really need this contact with music artists and other cultures (cinema, theatre, ....) I am Member of the Administrative Council and Secretary of the association. - Administrator @ L'Autre Net [Volunteering & hobbies] (2002-07 – today): politics · As a volonteer team in L'Autre Net (http://lautre.net), a non-commercial selfmanaged association, we manage some webservers exclusively on Debian GNU/Linux for instance. We are full independant, from hardware to our peering. - President @ Club LinuX Nord-Pas de Calais [Volunteering & hobbies] (1998-01 – today): scienceAndTechnology · CLX is a Linux User Group, on the first French team. I lead the associative orientations such as "free software for our mayors" or "Monday of Numerical Freedoms". - Président @ Club LinuX Nord-Pas de Calais (1998-01 – today) - Site Reliability Engineer @ Decathlon France (2024-10 – 2026-09): Techsys consulting : Accelerate #SRE mindset in a Sport Products Domain. Main goals are Observability, Eliminating Toil, DORA metrics. What I did : * diffuse SRE mindset to feature teams * embrace risk with a postmortem routine * discover Critical User Path and ensure Error Budget Policy * infra as code to reduce toil on Datatog to manage tags, monitors, Service Level Objectives. * optimize observability costs * some platform system administrator support - Site Reliability Engineer @ Decathlon France (2023-06 – 2024-06): Techsys consulting : Accelerate #SRE mindset during Corporate Domain transformation. Main goals are Observability, Eliminating Toil, DORA metrics. What I did : * reference each product in Spotify Backstage to have a first quality measure * diffuse mindset and share a commune roadmap in Digital For People team around a product owner community * embrace risk with a postmortem rituals with reliability guilde * troubleshoot and performance help with support engineers team * migrate observability to Datadog with infra as code to reduce toil or human errors around tags, monitors, SLO. - Site Reliability Engineer @ Société Générale (2018-12 – 2023-05): Implement DevOps culture for humans that support monolithics applications. Reliability should not be an option. Automate things, reduce manual actions, prepare to the microservices transition. - Secrétaire @ PoleNord [Volunteering & hobbies] (2014-11 – 2021-10): scienceAndTechnology · Polenord was a local association to develop Open Source economy in the North of France - IT Security Consultant @ ADEO (2018-02 – 2018-07): Techsys - Dashboard and reporting. - Security audting. - System Engineer @ Techsys, Decathlon International (2015-02 – 2018-02): I'm a system administrator for Hosting Business Unit. Main goals : - Patch Management (define Erratas, define security policies) - RPM toolbox with docker templates - Immutable infrastructure with Packer.io and gitlab CI - DevOps Management (add configurations as possible with our customers) - Virtualization support for private and public cloud offers. - Linux and AIX maintenances (obsolete management, security reports, link with support teams and editors). - support for various tools like Nagios, Zabbix, and some other internal developpments - Documentations - Technical Leader @ Techsys, Crédit du Nord (2011-09 – 2015-01): Build & Run on the first uniq portal for Société Générale and Crédit du Nord. I help system, network or database teams to apply same practice from multiple banks to one objective : convergence. My main first goals : - remote resilience (Business Continuity Plan) with real exercice (for the first time at Societe Generale) - local resilience (Business Continuity Plan) at Crédit du Nord - conformity and Certification for Crédit du Nord - procedural and continuity integration for the next generation. - technical support for production teams - implement good practices of run applications - System and Database Administrator @ Atos Worldline (2008-07 – 2011-09): I'm building the french biometric passport with many opensource technologies, while following Governemental datasheets. It means security, save, store, log acces and webservices activities over several datacenters. Now we engaged other electronic papers such as identy card or vehicle registration. - System Administrator @ Atos Worldline (2009-12 – 2010-04): I'm building the new decisionnal infrastructure of the "Pari Mutuel Urbain" : a new online bet application. - System Administrator @ Atos Worldline (2008-06 – 2008-06): I teach people about security tools or deployment tools, specific at AWL with system technical support. - System Administrator @ Atos Worldline (2007-06 – 2008-05): I'm in the last chance system team :-) Indeed, when you don't know how doing somethings anywhere at Atos Worldline, ask us, we should help you. Hum ..... Whate i'm doing now : kernel modules, packaging of Open Source software, hardware homologation, mutualiazed developpement, security access for the employees, virtualization (Xen, kQemu, VMWare), database installation (PostgreSQL, MySQL). It's a bit strong..... - Database Administrator @ Atos Worldline (2007-03 – 2007-06): Working in the mail essential team with full open source software for the biggest French ISP, Orange Internet & Orange Mobile. I take part to the big switch of database architecture due to a massive evolution (structure, material, functionnalities). Now, I know some things about tuning Linux kernel with MySQL :-) - System Administrator @ Atos Worldline (2000-03 – 2007-02): I started my atosoriginal life in technical call center, on business applications like www.teleroute.com or www.fimatex.com (now known as Boursorama) and Internet Providers for medical people. Then, I increase my sysadmin stuff during some years working on famous websites like www.lequipe.fr (I lead the switch Solaris to Linux, Resonate Central Dispatch Manager to Linux Virtual Server), www.lectra.com (an eCommerce and Groupware application in Apache/mod_dav), www.renault.fr (The first car site with the best online configurator), www.bayardweb.com (full opensource platform), www.yvesrocher.com (my firts trys with BEA Weblogic), www.aquarelle.com (the biggest e-payment site in France), www.sfr.net , www.m6.fr (and many others customers with dedicated webhosting solutions), I also managed SLA reports for ours customers with Agilent Firehunter. - Production Technician @ DSM Gist Brocades (2000-01 – 2000-02): Levure filtrations in fermentation farms.