Térence Chateigné

Térence Chateigné

👋
Hi ! I'm a 27 y/o french lead SRE currently working at Padok. I'm passionate about cloud computing, open source, Linux and tinkering with both virtual and physical things. This is my resume website, built using Notion and Next.js.

👨🏻‍💻 Experience


Lead Site Reliability Engineer @ Padok

Paris, France – (Feb 2021 - Present)
Internship (6 month) then full-time
☁️
Padok supports you on your journey to the cloud. We build, scale and secure your infrastructure to match your business needs and help your devs to deliver faster.

Projects

During my time at Padok, I have participated in numerous client projects, including :
  • Completing a full migration from on-prem to AWS of a large ecommerce SaaS
    • Created 5 new AWS environments and a hub-and-spoke network using AWS transit gateway and Terraform / Terragrunt
    • Synchronized 8 heavily used multiple TB databases using CloudNativePG operator on EKS
    • Deployed 200+ applications on 5 Kubernetes clusters using ArgoCD
  • Maintaining the AWS infrastructure of a public investment bank
    • Creating GitLabCI pipelines and AWS resources to help ~15 developer teams deploy new features
    • Continuous update and maintenance of 8 Kubernetes clusters
    • Migrating 4 Kubernetes clusters to GitOps deployment using ArgoCD
  • Creating a landing zone for the AWS migration of an airline company
    • Deployed AWS Control Tower and AFT to provision dozens of feature accounts using Terraform
    • Created a hub-and-spoke with on-prem connectivity using AWS Transit Gateway and AWS Site-2-Site VPN
    • Provisioned support resources (Route53 zones, certificates, lambda layers) to ~5 serverless developer teams
I have developed my current skillset during these projects (and ~15 others not mentioned).

Role

As a Lead SRE at Padok, my responsibilities revolve around client projects. For each project, my tasks include:
  • Defining measurable objectives to assess the project's success
  • Creating and maintaining a roadmap outlining all the technical tasks needed to achieve the objectives
  • Refining the targeted architecture designed during the project’s sale
  • Detailing each technical task with its steps and acceptance criteria
  • Leading a team of 1-2 SREs to complete the technical tasks
  • Regularly attending meetings with the client to discuss the roadmap / objective and evaluate its success.

Contributions

In addition to my projects and role at Padok, my other contributions include:
  • Authoring multiple articles in Padok’s tech radar
  • Creating a Zero Trust networking course and teaching it to padokians
  • Developing guacamole, an open-source Terraform / Terragrunt code quality assessment tool
  • Coaching padokians on their personal progression at Padok
  • Helping Padok obtain its ISO27001 / HDS certification by being reponsible of a part of the ISO27001 perimeter.

Previous experiences

Full-stack Developer @ Pricemoov

Paris, France - (Sep. 2019 - Jun. 2020)
Internship (6 month) then freelance (3 months)
💰
Pricemoov helps you grow your sales by optimizing your pricing strategy.
At Pricemoov, my primary tasks included:
  • Implementing new frontend and backend features for Pricemoov's product using React.js and Django.
  • Creating pricing data pipelines using Dataiku DSS and SQL.
  • Setting up web crawlers to gather pricing data using Python and Scrapy.

Full-stack Developer @ Idemia

Issy-les-Moulineaux, France (Apr. 2018, June 2018)
Internship (2.5 months)
🆔
Idemia builds identity and security technologies.
At Idemia, my primary tasks included:
  • Developing a web application to interface with an ID document authentication server using computer vision using Node.js
  • Integrating various identity sensors (finger, face, and signature scans) into a demonstration app using C#

🤹🏻‍♂️ Skills


☸️ Kubernetes
  • Expertise in AWS EKS
  • Autoscaling with Karpenter
  • GitOps deployment with ArgoCD
  • Various k8s tooling
🐳 Containers
  • Image and Docker Compose config
  • AWS ECS / Google Cloud Run
  • Multi-stage image build
 
☁️ AWS
  • Hub-and-spoke network
  • Control Tower, SSO and Organizations
  • Managed services (S3, EFS, Elasticache, AmazonMQ…)
🏭 Infrastructure
  • Expertise in Terraform
  • Module & layers architecture with Terragrunt
📊 Observability
  • Prometheus / Grafana
  • ElasticSearch / Kibana
  • Datadog
🚀 CI/CD
  • GitLabCI pipelines
  • GitHub Actions pipelines
  • Integration of cloud provider IAM
⌨️ Development
  • Go
  • JavaScript
  • Bash
  • Python
 
🐧 Linux
  • Arch
  • Ubuntu
  • Debian
  • NixOS (learning)
💾 PostgreSQL
  • AWS RDS
  • CloudNativePG operator
 
Some open-source projects I’ve developed in relation to those skills :
  • tailout : A go CLI to quickly create a VPN on any AWS region with Tailscale
  • twig : My personal Terraform / Terragrunt repo

📜 Certifications


🎓 Education


Engineering degree in Computer Science @ UTC

Compiègne, France (2018 - 2021)
Major : Networks and Systems
Courses : algorithmics, statistics, web development, cyber-resilience, data visualization, networks, databases
Volunteering : backend development of the 2019 edition’s website of the Imaginarium Festival

University degree in Computer science @ IUT Villetaneuse

Villetaneuse, France (2016 - 2018)
Major : Advanced Mathematics
Courses : algorithmics, optimization, databases, web development, OOP, economics
Sports : Won team 3rd place at the 2018 archery national university championship

Baccalauréat in Sciences @ Lycée Pissarro

Lycée Camille Pissarro, Pontoise, France (2012, 2015)

🗒️ Articles


My contributions to Padok’s technical blog.

🗣️ Languages


French 🇫🇷

Native speaker

English 🇬🇧

Fluent

Spanish 🇪🇸

Proficient speaker