About Alex
French
Native or bilingual
English
Basic
Experience
- YousignPlatform EngineerNovember 2025 - Today (7 months)Transformation and migration of the Yousign platform, from a Rancher/Docker Compose stack to Kubernetes, integrating production readiness standards, within the Developer Experience squad.
- Migration of applications and services to Kubernetes: analysis, adaptation, and team support
- Implementation of standards (testing, performance, observability, security)
- Structuring of environments with automated CI/CD pipelines (GitLab, GitOps)
- Deployment and optimization of Kubernetes workloads (Helm, Kustomize)
- Continuous improvement of the platform's infrastructure and performance
- Implementation of observability with Datadog (dashboards, monitors, SLO)
- Adoption of good security and image optimization practices (Chainguard, distroless)
- SigmaDevOps Cloud EngineerTELECOMMUNICATIONSOctober 2024 - November 2025 (1 year and 1 month)Management of Public Cloud (Azure, AWS) and Private Cloud (OpenShift Redhat) infrastructures, ensuring production requirements (high availability, SLA compliance) and regulatory compliance (HDS).
- Support for teams and clients
- Operational maintenance (MCO) of platforms: updates and component migration, integration of new features, and incident resolution
- Proactive service monitoring with Datadog, including probe deployment, alert configuration, and custom dashboard creation
- CI/CD pipeline optimization
- SigmaDevOps Cloud Engineer (Software Factory)SOFTWARE PUBLISHINGFebruary 2024 - September 2024 (8 months)Nantes, FranceImplementation of the software factory (tools, processes, and best practices) to improve productivity, security, and deployment of development projects.
- Construction of the platform on Azure in IaC with Terraform and Ansible (Application Gateway, WAF, DNS, AKS, Key Vault, Storage, Bastion, …)
- Installation and provision of GitLab Runners (Kubernetes executor)
- Development of CI (NodeJS, Maven, Docker) and CD (Openshift, Azure App Service) pipelines
- Deployment of SonarQube, ArgoCD, Keycloak components on a private AKS cluster
- Implementation of the observability stack with Mimir, Loki, and Grafana
- Agile organization, continuous improvement, and DevOps best practices (Conventional commits, Semver, Git Flow, Github Flow)
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Education
- BAC+4, Administration Systèmes RéseauxENI Ecole Informatique2020BAC+4, Administration Systèmes Réseaux
- BTS, Systèmes Numériques option Informatique et RéseauxInstitution Immaculée Conception2017BTS, Systèmes Numériques option Informatique et Réseaux
Certifications
- DevOps Engineer Expert (AZ-400)Microsoft2023
- HashiCorp Terraform AssociateHashiCorp2024