Joris Barbé

Systems & Network Administrator — Infrastructure • Automation • Observability

joris.barbe.pro@gmail.com +33 6 42 81 68 84 Hagen (Moselle), France — Luxembourg border LinkedIn

Summary

Systems & network administrator with 7 years of experience — from managing 700+ endpoints to operating a ~600-server Citrix platform. Focused on reliability through automation (Ansible, Bash, PowerShell), monitoring (Zabbix, Centreon) and logging (Grafana/Loki). Comfortable in multisite, international contexts (France, Germany, UK, Denmark).

Experience

System Administrator

Jan 2026 — Jul 2026

Luxembourg Red Cross • Livange, Luxembourg

Operated ~600 servers in a Citrix environment within a ~20‑person infrastructure team.
Monitored infrastructure with Centreon, tracked incidents in ServiceNow and managed vulnerabilities with Qualys.

Systems & Network Administrator

Apr 2023 — Aug 2025

Groupe Mentor • Dommartemont, France

Managed VMware/Proxmox hypervisors and VM fleet (Nginx/Apache/HAProxy, PostgreSQL/MariaDB).
Automated operations with Ansible, Bash and PowerShell (standardization, runbooks).
Implemented Zabbix monitoring + Grafana/Loki centralized logging to speed up troubleshooting.
Containerized services and supported deliveries with Docker + GitLab CI/CD; administered Microsoft 365 (Entra ID, SSO/IAM).

Systems & Network Administrator

Apr 2022 — Apr 2023

Storage24 • Seichamps, France

Managed IT infrastructure across four countries (France, Germany, UK, Denmark).
Administered Google Workspace and drove cost optimization through standardization.

System Administrator / Support Technician

Sep 2018 — Sep 2021

Cité Scolaire Mangin • Sarrebourg, France

Managed a fleet of 700+ devices (workstations, servers, printers) and core network services.
End‑user support: incident resolution, documentation and guidance.

Selected projects

Observability — Deployed Grafana/Loki/Alloy/Syslog-ng stack for centralized log analysis.
Monitoring — Configured Zabbix (SNMP) to improve infrastructure visibility and performance tracking.
Automation & delivery — Built Ansible playbooks, Bash/PowerShell scripts and GitLab CI/CD pipelines for standardized deployments.
Backup & recovery — Veeam policies (retention, replication) and regular restore tests.

Skills

Operating systems — Linux, Windows Server

Virtualization — Proxmox, VMware, Hyper‑V, Citrix

Automation — Ansible, Bash, PowerShell

Networking — TCP/IP, VLAN, VPN, DNS, DHCP

Web / reverse proxy — Nginx, Apache, HAProxy

Databases — PostgreSQL, MariaDB, MSSQL

Observability — Zabbix, Centreon, Grafana, Loki, ELK, syslog

Directory / IAM — Active Directory, Entra ID, Microsoft 365, Google Workspace

Containers / CI — Docker, Git, GitLab CI/CD

Backup — Veeam Backup & Replication, Synology

Security — Defender, SentinelOne (EDR), MFA, PKI

ITSM — ServiceNow, GLPI

Education

DUT (Associate Degree) in Computer Science
IUT Robert Schuman, Strasbourg • 2015 — 2017

Languages

French: native
English: fluent
German: basic