Sébastien Coavoux

In addition to the missions detailed below, I was able to contribute to several open-source projects:

• Prometheus (Exporters - Go)
• Terraform (Provider - Go)
• Pipenv (Python)
• Onetimesecret (Ruby)
• Salt (Python)
• Chef (Openstack Cookbooks - Ruby)
• Kubernetes (Dashboard - Go)
• Ansible (Collections - Bug report)
• Podman (Bug report)

Mission : Software build in the horticulture industry

Assignment : Cloud infrastructure architecture

• Design infrastructure solution in Azure
• IOT pipeline integration
• Azure integration to achieve passwordless approach

Assignment : Enable developers fast prototyping

• CI/CD pipeline for each microservice
• Deployment automation in Azure to achieve GitOps approach
• Multi environment deployment

Assignment : Internal API integration

• Business analysis and translation of need
• API limitation analysis
• Integration POC and validation

Technical environment : Azure, Azure Containers App, Gitlab, Azure functions, SQL server, Postgresql, Graphql, Terraform, Azure Data Explorer, Event hub, Cosmosdb

Assignment : Cost optimization of Kubernetes workloads

• Setup of CPU based autoscaling for microservices
• Analysis of historical metrics to define appropriate thresholds
• 10% cost decrease on Kubernetes nodes infrastructure

Assignment : Application stability issue analysis

• CPU throttling analysis of Kubernetes apps
• Analysis of resource allocated for Kubernetes nodes
• Recommendation on quotas and resources usage

Assignment : Application deployments

• Self hosted onetimesecret deployment
• Logging stack upgrade
• IAM role integration with with Kubernetes service accounts

Technical environment : Aws, K8s, argocd, flux, helm, github actions, cloudformation, ruby, python

Assignment: Platform Migration

• Business apps containerization with Podman
• CI/CD architecture
• Packaging and Deployment Automation

Technical environment : Podman, Ansible, Gitlab, Openstack

Assignment: Node migration in a Kubernetes cluster

• Cluster node addition
• Reinstall of physical nodes
• Maintain cluster operation while migrating

Technical environment : Linux, RKE, Ansible, Helm

Assignment: Tooling and pipeline improvements

• Add, update and deploy charts
• Configuration deployment automation with ArgoCD
• Template standard configuration for new clusters

Technical environment : Gitlab, Helm, Openshift, ArgoCD, ELK, Kafka

Assignment: Support of new tenants on Openshift environments

• Tenant onboarding
• Teach Kubernetes best practices
• Business configuration setup

Technical environment : Openshift, BGP, Envoy, Helm, ArgoCD

Assignment: Public cloud strategy adoption

• Proof of concept in various cloud provider
• Roles and responsibility definition within internal teams
• Support strategy based on tenant expertise

Technical environment : AWS, GCP, Rosa

Assignment: Kubernetes-based stack Audit and Helm setup

• Audit of existing architecture in Google Cloud
• Detection and fixes of design and security issues
• CI/CD pipeline improvement with Helm

Technical environment : Google Cloud Platform, GKE, Cloud Endpoint, Helm

Assignment: Stack migration from a Docker based architecture to a Kubernetes one

• Audit of existing architecture
• Proof of concept with Kubernetes architecture
• Packaging and Deployment Automation

Technical environment : Kubernetes, Docker, DigitalOcean, Helm, Ansible

Assignment: Scaling Platform

• Migration of business application from ECS to Kubernetes
• Packaging and Deployment Automation
• Platform support and coaching

Technical environment : EKS, Helm, Gitlab, Openstack, Terraform

Assignment: Private cloud platform

• Setup and configuration of Openstack server
• Design of private cloud architecture
• Deployment and Configuration of Openstack with Chef
• Contribution to Openstack Chef cookbooks to support last Openstack versions

Assignment: CI/CD pipeline

• Migration of repositories to Gitlab Cloud and user training
• Design and implementation of CI and CD using GitlabCI
• Team velocity improvement with a faster feedback loop
• Deployment of an internal artifacts manager (Nexus)

Assignment: Scaling platform

• Introduction of Docker technology in the company and user training
• Lead containerization of business applications and technology adoption
• Introduction of Kubernetes as next generation scaling solution
• Deployment of containerized stack in AWS and Openstack (ECS, K8s, docker compose)

Technical environment : Kubernetes, Docker, AWS, Terraform, Gitlab, Openstack, Chef, Bitbucket, Jenkins, Python, Linux

Assignment: Provide a cloud based platform for other team to setup in-house app

• Setup and configuration of a Kubernetes cluster
• Development of patch to Kubernetes to add new features
• Development of a tool to automate installation, with continuous integration and test in cloud
• CI pipeline and unit tests of the setup tool
• Setup, configuration, monitoring and maintenance of a docker registry for locals apps
• Proxy architecture to replicate docker images
• Coaching of new Kubernetes users
• Integration of latest Kubernetes / Docker version to get the very last features

Technical environment : Linux, Python, Kubernetes, Docker, Azure, Go, Portus, Gitlab, DigitalOcean, Ruby

Assignment: Sustain CI pipeline and improve reliability

• Setup of a in-house monitoring system to detect server issues
• Use of container approach in CI to have stateless agent
• Unification of agent setup to get a homogenous infrastructure
• Deployment automation with configuration management tool from scratch

Technical environment : Linux, Python, Salt, Docker, Bamboo, Sensu, Graphite, Grafana, Ruby

Customer: Société de transport de Montréal

Assignment : Setup of a monitoring tool in a huge environment

• Setup the monitoring tool in dev env
• Development of tool generating configuration
• Monitoring plugins development
• Production support deployment
• Continuous integration tests
• Benchmarks, functional testing

Technical environment : Linux, Python, Shinken, Graphite, WMI, Talend, Ossec, Collectd, SNMP

Customer: Société de développement de la Baie-James

Assignment : Monitoring software update and hardware addition

• Keep the software up to date with latest features
• Monitor new hardware, servers, software.
• Customization

Technical environment: Linux, Python, Shinken, Thruk, Nagvis, Windows Server, WMI, VmWare, SNMP

Customer: Société québécoise des infrastructures

Assignment : Setup of a monitoring tool

• Setup and customization (alerting, threshold)
• Custom development of monitoring plugins
• Formation materials

Technical environment : Linux, Python, Shinken, Centreon, MySQL, PHP, Windows Server, WMI, VmWare