Guillaume Arnaud

Cloud Architect

Customer centric, highly adaptable and flexible Cloud Architect with 15+ years of experience. Strong analytical, problem-solving and enhancing operational efficiency skills with new procedures and technologies. Team-player who can also work independently. Self-motivated and enthusiastic communicator


Work Experience

Cloud Builder

WeScale (Paris, France) | 2023 - Present

Technical environment : Terraform, AWS, GitLab, Kubernetes, Helm, ArgoCD, Prometheus, Grafana, Loki, Vault, Okta


Web and Ops Technical Engineer

As a Technical Engineer, I am in charge of building IT infrastructure for retail customers within their business requirements. I am involved at several levels during the whole customer onboarding process such as pre-sales, build, run and evolution. I am also training team members to run these infrastructures and I assure a role of technical support escalation. I maintain team’s internal tools and templates in order to keep high velocity during build and evolution phases

  • Project leader on configuration management tool
  • Participation in technical definition of service offers
  • Participation in pre-sales
  • Technical referent for projects (Kanban), build and run
  • Training and knowledge transfer
  • Network and firewall referent for the team
  • Code contributions on internal tools and templates
  • Night duty
  • Technology watch
  • Technical interview for new recruits and participation in recruitment process

Technical environment : Debian GNU/Linux, Chef, Ansible, Terraform, AWS, Google Cloud, GitLab, Kubernetes, VMware vSphere, Apache, Nginx, MySQL, PostgreSQL, MongoDB, Redis, Memcached, RabbitMQ, Solr, CDN, Varnish, PHP, Python, Java, NodeJS, EFK/ELK, Centreon, Prometheus, Grafana, SignalFX, NewRelic, Gatling, OctoPerf


System and Network Administrator

Opale (Paris, France) | 2004 - 2016

I set up and deployed hardware/software IT infrastructures for healthcare and entertainment customers. I coordinated technical support and reporting between customers and providers. I assumed a role of technical support escalation and I was in charge of the company’s infrastructure

  • Design and setup of archiving solutions for medical imaging (>= 48TB, SLA 99.9%) according to CNIL compliance (Commission Nationale de l’Informatique et des Libertés)
  • Setup of teleradiology solutions and secured multi-site interconnections
  • Setup and maintenance of managed Apple iPad fleet for Pediatric emergency department
  • Setup and maintenance of large Apple Xsan volumes (>= 120TB)
  • Customer support level 2/3
  • Maintenance of hardware/software IT infrastructure

Technical environment : Windows, MacOS, Debian GNU/Linux, RHEL/CentOS, JBoss, VMware vSphere, Proxmox, DICOM, PostgreSQL, pfSense, SonicWall, Cisco, D-Link, Fabric, MPLS, VPN, Squid, Archiware, Bacula, Zabbix


Information

Professional Certifications

  • 2023 · Certified Kubernetes Administrator
  • 2022 · AWS Certified Solutions Architect - Professional
  • 2020 · HashiCorp Certified - Terraform Associate
  • 2018 · Google Cloud - Professional Cloud Architect
  • 2017 · AWS Certified Solutions Architect - Associate