Nicolas CHARLES

In a User Generated Content industry context, I manage GCP and AWS clusters for multiple internal products using Terraform/Terragrunt, managed Kubernetes, Ansible and Python for the daily cloud administration. As a DevOps: - provide support to ~50 developers for pipelines and docker image build - build deployment process and standards - upgrades and maintenance of the tech stack (9 Kubernetes clusters, ~20 apps, hundreds of pods) - apps migration from deprecated Kubernetes clusters to newer ones (using blue/green) - poc new Kubernetes self hosted cluster using K3s - FinOps analysis (saving costs on the infrastructure) Transversal projects management and execution: - code base migration to Gitlab.com for 7 internal companies - top level DNS company domain migration from AWS route53 to Cloudflare (using Terraform)

I was part of a 6 people team in charge of delivering highly available databases for the critical usage of OVHCloud internal services and infrastructure. Main tasks: - assisting the ~700 internal applications developers regarding databases questions - MR for database schema changes review - 70 database clusters administration (6 bare-metal servers each, in two env) using automation like Puppet and Python scripts - migration from MySQL 5.6 to 8 (~20 DB instances) - migration from virtual to physical servers for development environment (~60 clusters) - improvement/contribution to existing automation tools (Ansible, Terraform, Puppet, Python scripts)

Using DEVOPS paradigm to host, deploy, scale and update internal application in a online advertisement industry. I've been working with the major Cloud actors Amazon Web Service (AWS) and Google GCE - instance scalability using Terraform - Debian OS customization using Salt and Consul - deploying self-hosted Kubernetes clusters using Kops - building application Helm chart to assist the developers - orchestrating applications with Kubernetes - monitoring using Datadog - deployment and administration of third party apps such as Couchbase, RabbitMQ, Ambari, Hadoop, Hbase, Neo4j

Team leader of 2 network and system engineers - responsible of the Consort NT corporate network (45 virtual firewalls, 8 agencies in France, 50 network equipment) - installation of the network monitoring system using Centreon (41 hosts, 220 services) - responsible of the cloud based offer hosting 15 servers (Windows and Linux)

As a Linux administrator: - provide client assistance for their Apache/Tomcat/Mysql/Postgres/PHP/Java web application - setup of high availability and high traffic capability platforms using Heartbeat, Varnish/nginx - client relation through high end projects involving the top 10 customers of the company

Infrastructure and System Team Leader (2012-2014) - responsible of 20 people in the team (10 in Beijing, 10 remote in 7 different countries), including their management - accountable for the corporate web application update in production (800 users in ~20 countries, 6 days per week) - IT missions in China and World Wild organization (10 countries) - involved in Visa Application Centre opening project, costing over 1 million euro (250.00 dedicated to IT) - premises construction monitoring and work organization for the team - project report to CIO and CEOs Senior It Engineer (2010-2012) - successfully led two external security audit done by the Agence Nationale de la Securite de l'Information (ANSSI) and mandated by the French government - design of the corporate directory (Microsoft Active Directory 2008) managing around 800 users in 12 countries - design of the corporate AD policies and WSUS (windows updates) architecture - deploy the Active Directory solution in branch offices located in China, Lebanon, Algeria, Egypt and London - deploying new TLScontact branch office ("rollout" phase) over the world (Lebanon, Egypt, Algeria, Morocco, Tunisia, China, ...) - deployed French biometrics solution in London and Algeria and been in direct contact with the French ministry and Thales

Environment: Independent software vendor providing class-leading integrated solutions for compliance, risk management, internal control - internal application deployment and server installation (apache, tomcat) - network administration and user help-desk (35 computers) - installation and supervision of internal vmWare ESX 3.5 - installation and deployment of Exchange 2003 (40 mailbox) - Internet content filtering (Squid+SquidGuard)

SOCIETE GENERALE (Bank) System administrator in a French multinational banking and financial services, worked in the team supplying resources for the Quality team

Groupe FAYAT IT OPERATOR IT support for users (800 computers) Management of 3 internship team member