Sébastien ROY

🔹 Développement de pipelines Gitlab CI 🔹 Gestion de clusters Kubernetes 🔹 Migration Ingress API vers Gateway API 🔹 Gestion d'infrastructure AWS via Terraform

En tant qu'ingénieur DevOps senior, je joue un rôle crucial dans l'implémentation de solutions GenAI pour les besoins internes de l'entreprise. En collaboration étroide avec l'équipe Data Science, j'implémente les services IA d'AWS pour favoriser l'innovation et l'efficacité. 🎯 Principales réalisations et expertises : 🔹Architecture et implémentation d'infrastructures AWS tout en assurant scalabilité, sécurité et optimisation de coûts. 🔹Infra as Code avec Terraform, assurant la consistance et la répétabilité des configurations infra. 🔹Développement de pipelines CI/CD avec Gitlab CI 🔹Lead technique sur l'intégration de solutions IA sur AWS (Bedrock / RAG) Contexte technique : • AWS (VPC, IAM, Lambda, S3, API Gateway, Bedrock, OpenSearch) • Terraform • GitlabCI

AWS Cloud architecting Costs optimization (FinOps) Management of Kubernetes clusters (EKS) Infra As Code with Terraform GitOps with ArgoCD

Configuration management with Ansible  Terraform to build AWS architecture Migration from "On Premises" to AWS AWS (EC2, Autoscaling, ECS, Spot fleet, ECR, S3, VPC, Costs optimization) Docker image management with Packer Haproxy for high availability and loadbalancing on Nginx backends Monitoring cloud architecture with ELK and Grafana Self hosted Gitlab server administration and complete CI/CD for dev team CDN endpoint with Cloudfront and Akamaï

Configuration management with Ansible  Monitoring with ELK Haproxy for high availability and loadbalancing on Nginx backends Terraform - Orchestration for OVH and AWS cloud instances

Deploying and building Red Hat servers and services with Ansible. Versioning with Git. Docker for team infrastructure. Red Hat system administration. Virtualization with VMWare ESXi. Python scripting.

Level 2/3 support on Debian servers (around 700 servers). Monitoring with Centreon. Scripting (Bash and Python). LAMP cluster with DRBD/Corosync/Pacemaker. Virtualization with VMWare ESXi

Linux system administration (Debian / Ubuntu). Level 2/3 support. Room server management (12 blade servers, 40 virtualized). Mail server administration : Zimbra (1600 accounts). Web servers administration (Nginx frontend, Apache backend). SMTP relay / Antispam (Postfix+Postscreen+Amavis+SpamAssassin). SAN/NAS storage (Dell Equallogic). Virtualization with Citrix XenServer et Proxmox. DNS administration (Bind9) / registar management. Firewalling with PFSense. Network administration (VLAN, Wifi). Providing a fast and reliable Internet connection with a Squid/Squidguard proxy. Backups with Bacula and Bash scripts (MySQL DB, sensistive data). Network monitoring with Cacti and Zabbix. Local APT repository (Apt-cacher-ng).

L3 support on LAMP servers (Centos). Monitoring with Cacti and Nagios (around 120 blade servers). Python scripts for automation purposes. Virtualization with VMWare ESXi.

Network monitoring with Cacti and Weathermap Wifi portal with Freeradius authentication. Firewalling and VPN (IPSEC tunel) with Juniper hardware. HTTP proxy with Squid/Squidguard. Server integration.