Administered 15+ virtual servers and 4 physical hosts on VMware vSphere; migrated the infrastructure (12 servers) to a new virtualized environment, reducing costs by 25%. Implemented and managed Microsoft Azure & Office 365 for 1,150+ users across 3 sites, including a secured site-to-site VPN over WAN, achieving zero critical downtime. Managed 900+ iPads and 120 Apple Macs via JAMF MDM; streamlined device rollout and reduced manual setup time by 60%. Led hybrid on-premise and cloud projects, driving user adoption and staff training.

System Administrator at Alsace Regional Council

September 1, 2017 - June 1, 2022

Continued responsibilities from the Sochaux site to the Zurich, Switzerland office (2017-09 to 2022-06): VMware virtualization and management of Azure & Office 365 across multiple sites; built and maintained secure VPN connectivity; maintained 0 downtime; led ongoing on-premise to cloud integration; further device management with JAMF.

Cloud & DevOps Engineer at Bank PSA Finance Group

July 1, 2022 - Present

Designed, deployed, and operated cloud infrastructures on GCP, Azure & AWS (130+ Linux CentOS servers; 25 VPNs; 28 VPC networks; IAM roles & security policies). Automated deployments and system administration using Terraform, Puppet & GitLab CI/CD, reducing provisioning time by 40%. Monitored infrastructure with Prometheus, Grafana & ELK; improved incident response time by 30%. Implemented backup & archiving to Google Cloud Storage, ensuring 99.9% availability & compliance. Provided cloud consulting & troubleshooting to internal teams, identifying recurring issues and delivering permanent fixes.