Hamza Guernani

Automation of CI/CD pipelines with Jenkins, GitLab CI and ArgoCD to optimize and ensure reliable deployments. Monitoring and observability of production environments via Prometheus, Grafana, ELK and alerting tools to guarantee a high level of availability. Administration of OpenShift and Kubernetes clusters for the deployment and maintenance of microservices in a high availability environment. Implementation of the Istio service mesh with network segregation and reinforcement of inter-application security. Design of healthchecks to monitor the status of microservices on OpenShift (OCP). Availability ensured for handling urgent incidents during and outside business hours (BH/OBH).

Performing application deployments in evolving versions across all environments (development, testing, training, pre-production), in coordination with operations teams. Managing virtual machine configuration via Ansible and Puppet to ensure environment consistency and compliance. Versioning, packaging, and deployment of artifacts (Docker images and Helm charts) in industrialized pipelines. Maintaining Kubernetes and Docker platforms in production: applying updates, security patches, and performance optimization. Using AWS services (EC2, S3, IAM, EKS) for hosting and managing scalable and secure cloud infrastructures.