Networking

Infrastructure as Code at UFST
Infrastructure as Code at UFST

At Udviklings- og Forenklingsstyrelsen, Sébastien Requiem led the infrastructure migration for a delayed real estate valuation program. Over 1.5 years, he planned and implemented a transition from outdated infrastructure to a modern, cloud-based setup using AWS services such as SQS, S3, and Lambda. Key initiatives included architecting a Kubernetes-based CI/CD pipeline, refactoring SQL databases to AWS RDS Postgres, and establishing best practices for infrastructure and code management. Notable achievements include a smooth on-time migration, improved team collaboration, and the successful deployment of high-availability and scalable solutions. His work also involved extensive training of technical teams and implementing a state-of-the-art monitoring and logging system.

Mar 5, 2023

Migration at SiteImprove
Migration at SiteImprove

At Siteimprove, Sébastien Requiem led a 15-person DevOps team, orchestrating a seamless migration from a multi-region, on-premise VMware infrastructure to a multi-region/multi-account AWS cloud environment. Utilizing the 6R strategy, he transitioned over 100 Kubernetes workloads, implemented infrastructure as code via Terraform, and achieved a 30% cost reduction through techniques like Spot Instances. Key achievements include successful migrations of VMs, databases, and networks, implementing an infrastructure-as-code model, and introducing 'Just-in-time' permissions elevation. His technical expertise spanned Kubernetes, Docker, AWS, Terraform, Azure AD, Ansible, and more.

Jan 10, 2023