Oussama J.

Mission: INA - National Audiovisual Institute

Intervene transversally on various projects across different tribes, in build and run modes.

Tasks:

Pipelines: CI/CD Jenkins

Build: Docker, Node, Java, Php

Applications: Webservice, Websites

API Manager: API Gateway (Kong)

Metrics: Exporter/App Metrics: Prometheus, Grafana

Cluster: Kubernetes, Docker

Volumes: PV, PVC, FlexVolumes, CIFS, NFS

Documents: DEX, MOP

Environment: Dev, Int, PreProd, Prod

-> DevOps/Build

- Support development teams in Scrum/Agile mode on various technical interventions on the project.

- Build technical images (angular(npm), composer, symfony(php-fpm), nginx, Mariadb, Varnish, etc.)

- Build Angular and PHP code, pushing to the Nexus registry.

- Build application images integrating developer code and functional/technical scripts.

-> DevOps/CI/CD Integration

- Implement various jobs constituting the CI/CD chain on Jenkins for different stages of Angular (front) and PHP (back), based on predefined MPL templates.

- Read and analyze SonarQube reports.

- Participate in configuring basic unit tests (npm and PHP).

- Encrypt sensitive data (SSL, passwords, etc.) using Vault Ansible.

- Automate deployment and orchestration of pods via Jenkins pipelines and Ansible roles.

- Deploy and configure the necessary resources within Kubernetes (configmap, services, deployment, statefulset, secrets, netpolicy, hpa, servicesaccount, roles, rolebinding, etc.).

PROFESSIONAL EXPERIENCE

Mission: ORANGE Hosting and Operations

Linux Production Engineer (Operations DevOps)

Tasks: Operations/DevOps

- Continuous improvement and factorization of code: (bash scripts, GitLab CI code, GitLab-CI pipelines, triggers...)

- Automation of technical procedures using GitLab CI and Ansible.

- Automation of image rebuilds and Docker container deployments.

- Deployment of configurations in (VMs/containers) using Ansible.

- Configuration of scenarios to test web flows with JMeter.

- Automation of SSL certificate generation, saving and retrieving from/to Vault/Consul (secret storage system).

- Qualification and implementation of health check tests for containers and network services.

Integration

- Monitor application production deployment and provide system support.

- Production deployment of containers (new Docker images/updates/system updates).

- Collaborate with developers on various topics (production deployment/debugging/staging tests).

Build

- Participate in various Docker migration projects as part of tasks.

- Reformat and rewrite system and application logs, integrating them into unified systems (Kibana) / remote machines.

- Implement rsyslog configurations for log filtering.

- Team participation in setting up new projects from scratch on Swarm (multi-site Consul cluster): Docker containerization, nodes, DNS, proxification, replication, security, automation, supervision.

Administration

- Benchmarking and optimization of CPU/memory resources for containers.

- Supervision of various services/resources/applications using (Grafana, Kibana, Xymon).

- Qualification of needs: network flow testing / DNS entries / GSLB (F5) / scenario simulation.

- Enrich technical documentation.

Mission: SNCF Innovation and Research

Linux Production Engineer

Tasks: Linux Administration

- Installation, configuration, and updates of Linux servers (Debian, Ubuntu, CentOS, SUSE, etc.).

- Infrastructure servers: (DNS, Apache, Zabbix, Postfix, etc.).

- Web and application servers (Java Tomcat, NodeJS, Angular, Kibana filebeat-logstash, etc.).

- Database servers (Mariadb, Postgresql, Elasticsearch, etc.).

- Calculation and license servers (Matlab, R-base, SAS, Actran, etc.).

- DevOps: Collaboration with various development teams on different projects: (bash scripting, systemd services, Python module configuration and installation, Git, application integration, etc.).

- Administration of Xen hypervisors and virtual machines.

Storage and Backup

- Management of Linux user and group permissions on network shares (NFS, CIFS, etc.).

- Management of network shares on EMC storage arrays.

- Configuration of NetBackup backup policies for Linux/Windows clients.

- Data restoration via NetBackup.

Supervision

- Monitoring of daily, weekly, and quarterly backups via NetBackup.

- Server supervision with Zabbix.

- Room temperature and power consumption monitoring with PowerIQ.

Network Administration

- LAN, VLAN administration.

- Installation and configuration of OpenVPN servers on Linux.

Project Documentation

- Writing technical documentation and enriching the internal wiki.