Alexis Dufour

As part of the ITOPS team, our main mission is managing the entire FLOA infrastructure on Azure cloud.. • For all Azure resources, we have automated deployment using Terraform and Terragrunt. • Implemented a "Landing Zone" to effectively separate each project and access as needed. • Established a resilient multi-zone and multi-region infrastructure (via Hub & Spoke). • Set up "Disaster Recovery" using Azure tools like Azure Site Recovery. • Managed Kubernetes clusters (AKS) and used GitOps methodology (ArgoCD/ FluxCD) for application deployment. • Deployed a monitoring stack including Prometheus/Grafana/Thanos. • Set up CI/CD via GitLab CI to automate all our deployments. • Used Ansible and AWX to configure VMs on Azure cloud.

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Part of the IT4Container team, our goal was to provide turnkey Kubernetes clusters for OUISNCF collaborators (On-Premise, Cloud (AWS)). Providing them with maximum autonomy, from creating the cluster with a single click • Streamlined installation, updates, and worker additions for Kubernetes clusters using Kubeadm. Automated tasks end-to-end with Ansible (managing about ten Kubernetes clusters). For Cloud migration, created EKS clusters (AWS) using "Eksctl" and automated end- to-end with Ansible, maintaining around thirty clusters. Implemented AWX to make Ansible “API accessible” and increase user autonomy. • Developed "controllers" and "admission controllers" in Go, which inject "sidecars" (for log reading) or "labels/annotations" for billing needs on Kubernetes resources. • Implemented GitOps methodology with FluxCD for all tools installed on a cluster. Used Helm and Kustomize for templating. • Set up security policies via NetworkPolicy and RBAC for each namespace, using OPA Gatekeeper to block deployments that don’t meet security compliance. • Deployed a monitoring stack (Grafana/Prometheus/AlertManager, Datadog) across all Kubernetes clusters. Used "ServiceMonitor" and created "PrometheusRule" to send alerts to AlertManager. Used Thanos for long-term storage. • Used Terraform for initializing AWS resources (except EKS).

Focused on automation and integration Performed DevOps for UNIX platform Wrote code and designed continual updates