Freelancer profile translated to English.
Back to original languageAbout Majed
I am a versatile and cross-functional professional with strong expertise in DevOps, SRE, system and network engineering, as well as software development. I played a key role in automating development processes, managing complex infrastructures, and ensuring the reliability of critical systems. Driven by a passion for innovation and a proven ability to collaborate effectively in a team, I have designed and implemented robust and high-performing solutions. Always motivated by technical challenges, I am committed to continuously optimizing the quality, reliability, and performance of the products I develop.
Arabic
Native or bilingual
English
Fluent
French
Native or bilingual
Portuguese
Basic
Can work on-site
Paris 8e Arrondissement (up to 50km)
Experience
- OVHcloudDevOps SRETECHSeptember 2022 - Today (3 years and 9 months)- Assurer le bon fonctionnement et la disponibilité des infrastructureshébergeant les produits OpenStack Swift et OpenIO S3 pour le stockaged'objets, incluant Proxy, Account, Container, Object Server, RabbitMQ etRedpanda.- Démanteler et traiter les erreurs 5xx: Grafana, OpenSearch, Syslog,GrayLog, IPLB.- Maintenir, opérer et réparer les robots (ReplaceDisque, ReinstallServer,XfsRepair, ...) utilisés par le système de Self-Healing sur les différentesplateformes.- Traiter les alertes générées par le système de monitoring et répondre auxalarmes en direct ou lors des astreintes: Thruk, Icinga2, OpsGenie, diagnostic,troubleshooting et tests.- Effectuer des actions de remédiation permanentes pour assurer la santé desdisques NVMe et SAS avec XFS et EXT4.- Gérer et prendre en charge les incidents, communiquer au public et rédigerdes rapports post-mortem et status page.- Prendre en charge les changements système, réseau ou applicatif impactantle service, en se basant sur les règles de change management et les périodesde gel (Freeze and Chill period).- Gérer l'obsolescence, effectuer des travaux de migration, industrialiserles processus de réinstallation et automatiser l'instanciation des servicesmanagés.- Script et développement d'outils facilitant les tâches de RUN de routine,patching du code existant pour corriger les bugs, élaboration de scripts etfichiers d'industrialisation pour le provisioning ou la gestion de configuration denos outils et stacks internes, avec Python, Perl, Puppet, Terraform, Ansible,Ruby, SQL et JavaScript.- Développer des probes et sondes pour la remontée de metrics et leuralerting, en utilisant Prometheus, Alert Manager, Netdata, Collectd et NodeExporter.- Animer des cérémonies Scrum (daily, weekly, retro, sprint review): Kanban,Starfish, Agile, flux tiré.- Rédiger des rapports hebdomadaires et catégoriser les bugs, features oufonctionnalités avec Confluence, Jira, Git…
- WorldlineDevOps EngineerTECHOctober 2020 - September 2022 (1 year and 11 months)Paris, FranceParticipation in the deployment of Worldline France's new headquarters and the merger with INGENICO:- Study and implementation of the global architecture and business use cases.- Preparation and execution of robustness, redundancy, and high availability tests.- Installation, configuration, and production deployment of security equipment.- Implementation of SSL VPN and IPSEC VPN.- Execution of POCs ensuring the proper functioning of GPO strategy rule deployment on user workstations for LAN, Wi-Fi, and VPN connectivity (802.1X and enterprise certificates).- Deployment of the printer fleet and IP telephony solution.- Writing of procedures, technical documents, and documentation.- Level 3 and 4 support to ensure the proper functioning of systems on site.- Production deployment of the monitoring and reporting platform
- IngenicoSystems and Network EngineerTECHSeptember 2020 - September 2022 (2 years)Paris, FranceDecommissioning of the Grenelle site and operational readiness of the IS throughout the project:- Implementation, configuration, and operation of the system and network supervision solution for Ingenico France and Worldline (Zabbix, Zabbix Proxy, and Grafana).- Development and implementation of dashboards for SLA visualization according to KPIs.- Development of an account expiration management application (PowerShell & PHP).- Creation and operation of scripts (PowerShell, Bash, Shell).- Development of a chatbot for L1 support (Power Virtual Agent).- Maintenance in operational condition of the virtualization infrastructure, storage, and backup strategy.- Planning and execution of migrations: DC Move (rack and bay), firewalls and security, servers and services, storage and databases, networks, routing, and interconnections.- Diagnosis and analysis of incidents and problems.- Problem resolution, debugging, and network traffic management.- Writing documentation, project management, development of architecture documents, cabling plans, and management of system and network inventories.- Ensuring the update of inventories for various systems.
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Education
- National Engineering Diploma, Computer Science SpecializationESPRIT Tunisie2015
- Applied Bachelor's Degree in Computer Science, Networks, and SystemsHigher Institute of Technological Studies of Sfax2011
Certifications
- AWS Certified Solutions Architect Associate (SAA-C02) –AWS2020
- AWS Certified Cloud Practitioner (CLF-C02)AWS2019