Ferlin-Sutton Leo
Site Reliability Engineer


I'm a Linux fanatic living and working in the french alps. I have grown up in Australia and in France where I have worked for an Animation studio, an Open Source consulting firm and an Emailing company. I really enjoy working in diverse teams and cloud platforms.

Work Experience

June 2016 – Present
Site Reliability Engineer
As part of the SRE team at mailjet I have had the joy to work with data on a new scale with a multi-continent team I loved. My day to day duties were to build and industrialize the monitoring, metrology, deployment, backups and maintenance for our databases. I started working at the Paris office but for the past three years I have been working remotely
  • Physical to Cloud migration for the infrastructure, with a strong emphasis on industrialisation via Ansible and resilience
  • Contributed to the design of the new data model, moving away from PostgreSQL alone and using Cassandra, PostgreSQL, Redis, Kafka and Spark
  • Managed the scaling (horizontal and vertical) of our growing Kafka and Cassandra clusters
  • Splitting our cassandra keyspaces into different clusters
Smile Open Source Solution
July 2013 – June 2016
Linux System Administrator
At Smile I was tasked with a range of duties such as load testing web infrastructures, conducting audits to detect bad practices or performance issues, automating the deployment of high-availablity infrastructures, and training clients in the basics of LAMP, linux Administration.
  • Lead the first Oracle to PostgreSQL Migration process for Informatique Caisse des Comptes and the E.Leclerc Group
  • Worked remotely and on premise to build Orange's Ivory Coast professional hosting service.
  • Taught courses about Linux and Open Source Software to The French Ministry of Education in Versailles
  • Simulated an XML-RPC Odoo instance to load test Doctors Without Borders intranet
Studio Redfrog
July 2011 – June 2013
System Administrator Trainee
During my internships at the Studio Redfrog I was often the sole 'IT Guy', merging the responsabilities of a System and Network Administrator; and Tech Support for the artistic teams. I had the chance to work on two seasons of 'The Garfield Show' and one season of 'Quiz de Zack'.
  • Supervised the purchase, installation and operation of an XSI (Mental Ray) render farm for the production of "The Garfield Show - Season 4"
  • Coordinated the development and QA of a smartphone application with a developement team in India for clients in Saudi Arabia


  • 2009 2015



    Information Technology


My Favorites
PostgreSQL Cassandra Kafka Redis Ansible Terraform Consul Nomad Vault Python Bash Google Cloud Platform
I'm familiar with
Spark Amazon Web Service Docker MySQL Grafana Nagios Prometheus Monit Rundeck GitlabCI
Would love to learn more about
Gatling Kubernetes Scala Amazon Web Service


  • EnglishNative speaker
  • FrenchNative speaker


Video Games