Work Experience

since Feb 2020

Engineering Manager / Head of Platform @ Lifen

Lifen, Paris (75)

  • management & technical leadership for a team of 5, then 4 teams of 16 total
  • daily coordination of the teams, link with product and other poles
  • major improvements in the SDLC and ops processes (tooling, monitoring, post-mortems, ...)
  • recruitment & career management
Nov 2018
to Dec 2019

VP of Engineering @ Botify

Botify, Paris (75)

  • management & technical leadership for a team of 40+ talented engineers (Developers, QA, Infra, Security)
  • day-to-day delivery coordination and product management on technical features end-to-end
  • inter department synchronisation, processes improvement
  • recruitment & career management
Dec 2014
to Oct 2018

Head of Infrastructure @ Botify

Botify, Paris (75)

  • lead for infrastructure evolutions and production management: resiliency, automation, autoscaling, deployments, monitoring
  • technical leadership for backend projects
  • support of development processes: documentation, Slack bot, continuous integration, sandbox environments
  • product development: frontend (Django), backend (maintainer of simpleflow a client library for Amazon SWF: https://github.com/botify-labs/simpleflow)
  • tooling around the platform: costs reporting, monitoring ; custom SWF console (https://github.com/jbbarth/webflow)
  • growth from solo to a 3 persons team
  • platform of 300-500 servers on OVH, Amazon Web Services (EC2, S3, SWF), Google Cloud
  • open-source context: Ubuntu, Ansible, Docker, ElasticSearch, Django, PostgreSQL, Graphite, Grafana, etc.
June 2013
to Nov 2014

Deputy group manager, Production @ French Government

Ministry of Ecology and Sustainable Development - Paris-La Défense (92)

  • hosting of ~200 web and BI applications on a platform of 800 servers, spread on 2 datacenters in Paris and Bordeaux
  • management of a 19 sysadmins team ; on-call rotations
  • open-source context: Debian, RedHat, Apache, Tomcat, PostgreSQL, Puppet, Rails, Bind, IPVS, Nagios, Logstash, ElasticSearch, Kibana, Graphite, Docker, etc.
  • lead for infrastructure evolutions and convergence projects
  • interministerial study on cloud components (Openstack)
June 2010
to May 2013

Deputy team lead, datacenter of the General Secretariat @ French Government

Ministry of Ecology and Sustainable Development - Paris-La Défense (92)

  • open-source context: Debian, RedHat, Apache, Tomcat, PostgreSQL, Nagios, Puppet, etc.
  • implementation and adaptation of free softwares: Redmine + plugins, Cartoque
  • organizational and technical evolutions inside the datacenter
  • level 3 support for the team ; technology watch ; expertise ; troubleshooting
August 2007
to May 2010

Technical lead for SETRA's datacenter @ French Government

Ministry of Ecology and Sustainable Development - Bagneux (92)

  • administration of ~40 applications in a RedHat/AIX environment
  • day-to-day management of 3 people
  • conception and deployment of architecture evolutions
  • tools modernization: Nagios, Puppet, Git, Redmine, home-made CMDB

Technical Skills

System
  • Cloud services: AWS EC2+, S3, SWF, GCP BigQuery, Kubernetes
  • Linux/Unix administration: Debian / Ubuntu, RHEL, basic concepts under AIX, Solaris
  • System: OpenSSH, Docker, traditional tools
  • Configuration management: Ansible, Chef, Puppet
  • Versioning: Git, Subversion
  • Web and application servers: Apache, Nginx, Passenger, Tomcat
  • Monitoring/logs: Grafana, Nagios, Logstash/ELK, Munin
Development
  • Open-source contributions, mostly on Redmine
  • Development on Ruby on Rails, Sinatra, Django, React.js, jQuery
  • Languages: Ruby, Python, Perl, Crystal, Bash, basic knowledge of Go
  • SQL databases: PostgreSQL, MySQL, SQLite
  • NoSQL databases: ElasticSearch, MongoDB, Riak, Redis

Education

2010
  • Operating System Programmer Ministry internal exam (candidate, passed) then jury (2014)
2009
  • Training & certification RedHat Certified Engineer RHCE 805009621242785 (RHEL5, outdated)
  • Training & certification RedHat Certified Technician RHCT 605009165926776 (RHEL5, outdated)
2004-2007 Engineering school ENTPE (Ecole Nationale des Travaux Publics de l’Etat), specialty in Computer Science
2001-2004 Preparatory classes: Lycée du PARC, Lyon (PCSI,PSI*)

Miscellaneous

Languages
  • French: mother tongue
  • English: read, write, speak (TOEIC 815)
  • Spanish: scolar, elementary
Sports Trial mountain biking for 21 years: competition, demonstrations, training, at Trollsports Trial (Lyon) and Voisins Trial Zone (Paris)
Roller ; learning monocycle (but it's hard!)