Freelancer profile translated to English.
Back to original languageAbout Jean-Baptiste
Are you looking for an expert to secure, automate, and modernize your IT infrastructures?
I assist companies in setting up, optimizing, and securing their system and network environments, with strong expertise in Linux and DevOps.
What I offer you:
- Reliable and automated infrastructures thanks to Docker, Ansible, Terraform, and GitLab CI/CD.
- Proactive monitoring with Zabbix, Prometheus, and Grafana to anticipate incidents and ensure high availability.
- Advanced security for your access and networks (Stormshield, pfsense, Fortigate firewalls, IPsec VPN, CrowdSec).
- Complete administration of your Linux & Windows servers (maintenance, updates, security hardening, troubleshooting).
- Responsive N2/N3 technical support for your teams and users.
Added Value:
I combine solid SysOps experience (server, network, security management) with a modern DevOps approach (CI/CD, automation, observability). My goal is to enable you to gain efficiency, resilience, and peace of mind with your infrastructures.
Types of projects I manage:
- Deployment of Dockerized platforms and setting up CI/CD pipelines
- Infrastructure automation (Ansible and Terraform).
- Monitoring and centralization of metrics for your critical services. (Zabbix, Grafana)
- Strengthening the security of your environments (firewalls, VPNs, server hardening).
- Administration and support of Linux/Windows server fleets.
French
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- CogelecLinux Devops System AdministratorTELECOMMUNICATIONSSeptember 2022 - Today (3 years and 11 months)Mortagne-sur-Sèvre, FranceSystems and network administration:
- Management of the Linux server fleet: daily administration, monitoring, updates, security hardening, and incident resolution.
- Management and optimization of Web and reverse proxy servers: Apache, Nginx, HAProxy (routing, load balancing, SSL, ACL).
- OVH Cloud Hosting: deployment and administration of services (VMs, DNS, storage).
- N3 Support: analysis and resolution of complex tickets impacting clients.
- Development of internal tools: Bash, Python, and PowerShell scripts for automation (exports, monitoring, data processing).
- Monitoring and observability: integration of Zabbix, Prometheus, and Grafana for surveillance, metric centralization, and alert management.
- Deployment and management of infrastructures via Ansible (provisioning, configuration, application updates).
DevOps / Automation:- Setting up Dockerized environments for internal and external applications (image management, automated deployments).
- CI/CD with GitLab CI: creation of robust pipelines for automated testing, building, and deployment.
- Modernization of practices: experimentation with Kubernetes (K3s, Portainer) for container orchestration.
Security:- Management of pfsense and Fortigate firewalls.
- Setup and administration of IPsec VPNs for secure interconnections.
- Implementation of access security best practices.
- Experimentation with protection tools like CrowdSec to enhance the security of exposed services.
- SoatSystems and Network AdministratorDIGITAL AND ITDecember 2018 - March 2022 (3 years and 3 months)Paris, FranceSystems and network administration:
- Installation and configuration of servers (Web, file, DNS).
- Infrastructure monitoring with Nagios and Zabbix.
- VLAN management and implementation of 802.1X network authentication (RADIUS, Cisco).
Security:- Administration and security of access via Stormshield Firewall.
- Management of identities and user rights with Active Directory.
Support & IT:- User support (L1/L2/L3) and incident resolution.
- Writing technical documentation.
- IT project management.
- ItanciaSystems and Network AdministratorTELECOMMUNICATIONSMarch 2022 - August 2022 (5 months)Beaupréau, FranceSystems and network administration:
- Maintenance and monitoring of Windows and Linux servers (updates, troubleshooting, monitoring).
- Local network management: switches, VLANs, WiFi.
Automation:- Implementation of Bash and Python scripts to automate recurring tasks (monitoring, maintenance, deployments).
Security:- Access management and firewall rule administration.
IT Support:- N2/N3 technical support for users.
Recommendations
Be the first to recommend Jean-Baptiste
Help this freelancer shine by sharing your experience working together.
These freelancer profiles also match your criteria
Agatha Frydrych
Backend Java Software Engineer
4.7
(3)
2
Baptiste Duhen
Fullstack developer
4.6
(4)
5
Amed Hamou
Senior Lead Developer
4
(2)
7
Audrey Champion
Web developer
4.3
(3)
4
Education
- BTS SIO Option SISRCNED2017L’objectif du BTS SIO est de préparer des techniciens capables de maintenir, sécuriser, développer et faire évoluer les systèmes informatiques d’une organisation. Option SISR (Solutions d’Infrastructure, Systèmes et Réseaux) : administration réseaux, gestion des serveurs, sécurité et maintenance.