Infrastructure developer, consultant & training leader for internal and client infrastructures.

Systems Engineer:
– Operated a fleet of 800+ Puppet-operated servers (including servers for EPFL and Swisstopo);
– Architectured and deployed a secured MCollective cluster using RabbitMQ and SSL;
– Planned and executed migrations between major Puppet versions (0.25 to 2.7, 2.7 to 3.5, 3.8 and 4);
– Wrote and contributed to 100+ Puppet modules (mostly public), including plugins (facts, functions, types & providers, indirectors), with unit and acceptance tests;
– Managed servers hosted on Amazon Web Services (with Cloud Formation and Terraform), CloudStack and OpenStack (with Terraform);
– Packaged software for RedHat and Debian platforms. Operated and improved the package build systems and package repositories;
– Set up and managed a Docker Orchestration platform based on Rancher;
– Wrote Go software for Docker (conplicity, upkick) and Terraform (Rancher provider, terraboard).

Training Leader:
– Initiated strategic partnerships ­with software editors (Puppet Labs, Red Hat, Rancher Labs);
– Taught official Puppet Labs curriculum (Puppet Fundamentals, Advanced Puppet, Extending Puppet with Ruby);
– Wrote and taught Augeas curriculum (Augeas Fundamentals);
– Wrote and taught Docker/Rancher curriculum;
– Taught teams from major universities/labs (CERN, EPFL, ETHZ, Unibe, CNRS), private banks/Fintech (in France, Switzerland, and Luxembourg), governmental IT teams and private companies (Software Development, Luxury, Health...).

Consultant:
– Performed Puppet/Docker/Devops consulting for private banks, governmental IT teams and private companies.

Development, bugfix and documentation:
– Wrote more than one third of all stock Augeas lenses, contributed/refactored most of the stock lenses;
– Extended the C API, XPath language and augtool;
– Improved autotools configuration;
– Integrated NaturalDocs documentation generation into C code and lenses;
– Talked at various conferences (Belgium (FOSDEM) among them).

Consultant at France Télécom
– Administration of Cfengine, FAI and the software package repository;
– Renewal and industrialization of the software deployment system for Debian/Ubuntu;
– Management of the Gforge (collaborative development web interface) platform;
– Development of QA tools for systems and configurations policy compliance;
– Integration of the continuous integration platform(Hudson) with the Debian/Ubuntu software
deployment system;
– Monitoring of the fleet of servers;
– Writing of technical documentation;
– Shell/Perl/Python hacking.