DevOps Engineer - AWS / Kubernetes

act digital is an international consulting and engineering group that supports its clients in their digital transformation projects. Present in 12 countries and with more than 7,000 employees, we leverage our expertise to address their challenges in software development, cybersecurity, data, cloud, and AI. Our ambition: to become the trusted technology partner of the most innovative companies, by designing and securing systems that enhance their performance and resilience. Joining act digital means becoming part of an agile and committed organization that works closely with its clients to turn ideas into concrete results, with pragmatism and high standards. Job Description : You will join our team of experts in DevOps, and work in collaboration with development teams, working both on the Cloud infrastructure and on the tools that enable developers to independently deploy and operate their applications. Your responsibilities will include: Cloud & Infrastructure Design, deploy and evolve AWS infrastructures. Industrialize infrastructure using Terraform / Terragrunt. Administer and evolve Kubernetes / AWS EKS environments. Participate in application migrations to AWS. Automate environment provisioning and configuration. Ensure platform availability, resilience and scalability. CI/CD & DevOps Design and maintain CI/CD pipelines. Develop GitHub Actions workflows. Participate in the migration of Jenkins pipelines to GitHub Actions. Implement automated deployment processes. Work with ArgoCD / GitOps depending on the team. Industrialize deployments using Helm / Helmfile. Create reusable modules and tools for development teams. Kubernetes & Platform Engineering Administer EKS clusters. Deploy and maintain microservices. Optimize scaling mechanisms. Work on networking, ingress, gateway and service discovery. Support developers with application containerization and deployment. Improve the platform to enable development teams to become more autonomous. Observability & SRE Implement and improve platform monitoring. Define metrics, dashboards and alerts. Participate in incident detection and resolution. Work on application performance and resilience. Identify bottlenecks and anticipate incidents. Participate in Chaos Engineering and resilience testing initiatives. Performance & Scalability In a streaming environment, some teams work on very high-load challenges: Conduct Load Testing campaigns. Test platform behavior during traffic peaks. Identify application and infrastructure bottlenecks. Optimize scaling mechanisms. Support developers with performance-related challenges. Help prepare platforms for high-audience events. Security Integrate security requirements into CI/CD pipelines and infrastructure. Work with IAM, OIDC, SAML and access management. Participate in the integration of Cloud security tools. Automate security controls. Contribute to securing infrastructure and applications. Profile / Requirements : What profile are we looking for this position: Must-have skills : Cloud AWS : EKS, EC2, Lambda, S3, RDS, DynamoDB, Athena, CloudWatch... Kubernetes / EKS : Helm, Helmfile, Gloo Gateway Infrastructure as Code Terraform, Terragrunt, Ansible CI/CD GitHub Actions, Jenkins, ArgoCD Observabilité : Prometheus, VictoriaMetrics, Grafana, New Relic, CloudWatch Sécurité : Wiz, Lacework, IAM, OIDC, SAML, KICS Performance : Artillery, Gatling, Load Testing, Chaos Engineering Développement / scripting : Go, Python, TypeScript