Freelancer profile translated to English.

Description

IT engineer with 10 years of experience, specializing in systems and network administration, with notable expertise in Linux environments. My approach focuses on optimizing, securing, and automating IT infrastructures to meet modern technological challenges.

Key Skills:

- Linux Administration: Expertise in managing Linux systems (Debian, Ubuntu), advanced server configuration, and network administration.

- Automation & Containerization: Proficiency in Ansible for automated deployment, container management with Docker, and orchestration via Traefik.

- Security & Cloud: Securing cloud environments (Scaleway) with SSH bastions, Firewalls (OPNsense, pfSense), and access management via LDAPS.

- Monitoring & Maintenance: Implementing monitoring solutions (Zabbix) and proactive infrastructure management.

Projects Completed:

- Dockerized Infrastructure Deployment: Set up a dockerized client instance with Traefik reverse proxy at Scaleway, documented in Netbox and monitored via Zabbix.

- Cloud Instance Security: Secured Scaleway environments using an SSH bastion coupled with UFW, and implemented an OPNsense firewall configuration with ACME certificates and HAProxy.

- Automation with Ansible: Developed playbooks for complete Docker instance installation, encrypted PostgreSQL database backups, object storage, and maintaining client servers in ISO configurations. These playbooks also automate updates and centralized SSH key management.

Passionate about open-source technologies, I am always on the lookout for innovations to provide robust and secure solutions for businesses. My goal is to support my clients in their digital transformation by ensuring high-performing and scalable IT infrastructures.

Languages

French
Native or bilingual
English
Fluent

Workplace preferences

Remote only

Primarily works remotely

Hyvilo
IT Systems and Network Administrator
SOFTWARE PUBLISHING
May 2022 - June 2024 (2 years and 2 months)
Besançon, France
Context: 15 people Achievements:
• Setup of a dockerized Zabbix server to monitor all servers, web service access, backups on Syno NAS, and Ansible backup playbook results.
• Securing Scaleway instances via an SSH bastion coupled with UFW.
• OPNsense firewall configuration, generating certificates via ACME client interfaced with HAProxy.
• Ansible Playbooks:
• Complete installation of a dockerized client instance with Traefik reverse proxy at Scaleway, interfaced with Bitwarden CLI, documented directly in Netbox, monitored by Zabbix.
• Client instance backups: PostgreSQL DB (encrypted backup), Minio object storage, installation files (encrypted backup).
• Maintaining client instances in ISO configurations.
• Adding/removing SSH keys on all servers.
• Research and implementation of real-time Prometheus databases in front to retrieve data from a provider and make it accessible to the client instance.
• Securing specific access to the Gendarmerie Nationale General Directorate instance.
• Setting up an OpenLDAP master/slave environment to authenticate internal access to client instances via LDAPS.

Environment: Internal servers on VMware ESXi servers accessible via various Wireguard VPNs, installation of client instances at Scaleway or on-premise at the client's or in our DCs.
Groupe Chopard Automobile (25)
IT Project Manager
February 2019 - March 2022 (3 years and 1 month)
Context: 2800 employees across about a hundred sites. Vehicle sales and repair. IT team of 15 people. Achievements:
• 1st and 2nd level support, management and maintenance of client workstations, GPO, GLPI, VPN, WiFi, Microsoft servers, MDT, WSUS, SCCM, RDS, Exchange, Office 365, PowerShell scripting, VMware, ITIL knowledge, switching, routing, Stormshield firewall.
• Accounting projects for expense reports, client recovery, reconciliation of entries.

Environment: Windows user PCs, Windows physical servers, Proxmox hypervisor, Stormshield firewall, physical and softphone telephony.
Groupe Hifi (25)
IT Support Team Lead
LOGISTICS AND SUPPLY CHAIN
October 2015 - January 2019 (3 years and 3 months)
Besançon, France
Context: 250 employees at one site. Sales of all types of filters (air, oil, fuel, cleanroom). The IT department also manages subsidiaries in Romania, Poland, and Spain. IT team of 10 people.

Achievements:
• Management and organization of the support team: reporting recurring Level 2 bugs; transferring Level 2 skills to Level 1; work time arrangements.
• User management and training; ticketing tool functional ownership; ticket service rate responsibility; Windows masters via MDT; park management (GLPI); AD, GPO operation and evolution; maintenance of computers, tablets, fixed telephony, smartphones, printers; technical and user documentation; switching.
Environment: Windows user PCs, Windows physical servers.