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Description

Former network expert, I have evolved over the past two years into the

field of DevOps, consolidating a dual expertise in

infrastructures and automation. My experience as a technical

referent and assistant project manager has allowed me to master the

management of critical environments and the optimization of IT

processes.

Passionate about innovation and continuous learning, I distinguish myself

by a proactive and self-taught approach, enabling me to effectively

address challenges related to automation, integration, and reliability

of infrastructures. Today, I leverage these skills to

design, deploy, and secure high-performance DevOps solutions adapted

to business needs.

Chaabani haythem

Languages

English
Conversational
French
Native or bilingual

Workplace preferences

Can work on-site

Lyon (up to 50km)

Enedis - Lyon
DevOps
ENERGY AND UTILITIES
June 2024 - March 2025 (10 months)
Lyon, France
Contributions to the automation of recurring tasks for the HARIVR team,
responsible for the maintenance and supervision of the company's data
centers. Development of pre-configured automated solutions to optimize
the availability and reliability of on-premise environments.
♦ Advanced infrastructure automation: Development of Ansible playbooks for
the orchestration and management of on-premise environments,
integrating Cisco UCS Manager, VMware, Intersight, and the Python SDK for
centralized and efficient administration.
♦ Security and certificate management: Implementation of a fully
automated process for renewing self-signed certificates for iLO servers,
ensuring secure and uninterrupted management of critical systems.
♦ ITSM process optimization: Automation of ServiceNow workflows via
SmartOps and Ansible Tower, reducing operational load and speeding up
the processing of requests and incidents.
♦ Proactive supervision and monitoring: Design and deployment of an MIV
(Monitoring, Incident, and Vigilance) reporting infrastructure in Grafana,
providing real-time monitoring of infrastructure performance and improving
incident response.
♦ Standardization and documentation: Development of best practice
repositories and enrichment of internal technical documentation at
Enedis (Goconfluence) to ensure the sustainability and skill development
of teams.

Environment:

Ansible, Ansible-tower, GitOps, Vault, Jenkins, Jira, spice-now, vmware
vSphere (virtualization), Cisco intersight, iLo HPe, Cisco UCS Manager,
Smart-ops, bash, python, Perl
SNCF
DevOps
TRANSPORTATION
April 2023 - June 2024 (1 year and 3 months)
Lyon, France
Contributions to IaC management on Azure, AWS, MongoDB. Maintenance and
deployment of projects, providing pre-configured resources to optimize the
availability and reliability of internal cloud environments.
♦ Development of a JavaScript scheduler for MongoDB, allowing granular
control of resource stop and start operations, with fine-grained management
via tagging mechanisms.
♦ CI/CD pipeline management: Setup, maintenance, and improvement of
deployment pipelines to ensure continuous delivery on cloud infrastructures
(Azure, AWS - IaaS).
♦ Improvement of technical documentation: Development of best practice
repositories and enrichment of internal documentation to standardize
processes and facilitate the adoption of new technologies.
♦ Coordination of maintenance operations: Management of upgrades and
maintenance operations, ensuring precise impact management and minimizing
service interruptions.
♦ Integration and configuration of PaaS and IaC solutions, enabling
increased deployment automation and optimized cloud environment management.
♦ Proactive incident resolution: Identification and rapid implementation of
solutions to ensure operational continuity and minimize infrastructure risks.

Environment:
Kubernetes, GitOps, Azure & AWS Cloud, MongoDB, PostgreSQL, JavaScript,
Ansible Vault, Jenkins, Jira, Tomcat, bash, python, Container (Docker,
Docker Compose)
ITS GROUP
DevOps
April 2023 - April 2023 (1 month)
Lyon, France
Project A: Automation and Security
♦ Automation with bash scripts and Vagrant for resource installation via
VirtualBox.
♦ Nginx configuration as a Load Balancer and reverse proxy with strict
security policies.
♦ Implementation of self-signed SSL/TLS certificates for the Load Balancer
with automatic renewal.
♦ Use of LVM storage for flexible management of MariaDB and MySQL data,
including backup and restore.
Project B: Transformation and Integration
♦ Transformation of a monolithic architecture (OwnCloud application) into
micro-services (Python) using Docker containers and provisioning tools
such as Ansible.
♦ Automated deployment via CI/CD pipelines with Jenkins and GitLab CI,
including security tests and unit tests.
♦ Implementation of DevSecOps principles with centralized secret and key
management (using Ansible Vault) and proactive vulnerability monitoring.
♦ Setup of an observability stack with Prometheus and Grafana for real-time
performance and security monitoring.
Project C: Application of Skills
♦ Automation of application deployment and orchestration, applying acquired
skills.
♦ Transformation of a monolithic architecture into micro-services
(reusing project B), developing HTML interfaces for the frontend with a
focus on security and scalability.
♦ Design and deployment of a cloud-native architecture on AWS, leveraging
services such as AWS Load Balancer, Route 53, and Terraform for infrastructure
as code.
♦ Use of automation tools like Ansible and containerization platforms like
Kubernetes.
♦ Implementation of a CI/CD pipeline with Jenkins and GitLab, ensuring
continuous deployment and optimal version management.