Clients: Groupe Laposte, AccorHotels, GRDF, EulerHermes, Carrefour, FnacDarty, RadioFrance.- Orchestrated advanced continuous deployments with ArgoCD,- Configured high-availability Stateful GKE Clusters,- Built a developer portal with Backstage,- Established secure DevSecOps pipelines using GitLab,- Secured application access using OpenID Connect via Keycloak,- Automated Kubernetes security policies using Policy-as-Code with Kyverno,- Set up GitLab runners on Kubernetes clusters as ephemeral agents,- Implemented cost monitoring on Kubernetes with Kubecost,- Introduced DORA metrics to measure team performance and DevOps process success,- Led Blameless Postmortems after incidents to identify improvement opportunities,- Defined SLO and Implemented SLIs using PromQL,- Ensured High Availability and Scalability of workloads on AWS EKS,- Integrated Chaos Engineering Practices to validate Kubernetes self-healing capabilities,- Performed Load Testing with Gatling to forecast Kubernetes resource limits/requests capacity,- Automated Database, Vault, and LDAP Backups with Argo Workflows for reliable data protection,- Configured Alerts for availability, latency, error budgets, and uptime for proactive monitoring,- Implemented Disaster Recovery using Velero,- Managed Templating and Release with Helm3 for seamless deployments,- Prototyped Container Sandboxing using gVisor and Kata Containers,- Implemented Container Runtime Security with Falco for real-time threat detection,- Built an Incident Response Engine,- Automated DNS Management with ExternalDNS,- Enabled TLS Automation with CertManager and Let’s Encrypt for secure cluster communications,- Hardened Docker Containers on CentOS 7, following Docker security best practices,- Maintained Jenkins Shared Library of Groovy scripts,- Provisioned On-Demand Feature Environments.- Provided Technical Onboarding and Support for new hired,