Freelancer profile translated to English.
Back to original languageAbout Karim
As a Linux and Windows system and network IT technician with 2 years of experience and a one-year diploma, I specialize in configuring, installing, and maintaining IT systems and networks.
I am skilled in managing issues related to servers, peripherals, software, and applications. I am also capable of ensuring network security by installing firewalls and security software.
In addition to my technical skills, I am also able to communicate with end-users to help them resolve issues related to their use of the system and applications. I am always keeping up-to-date with the latest technologies and trends to improve my skills and provide a superior service.
French
Native or bilingual
English
Fluent
Can work on-site
Paris (up to 50km)
Experience
- JCDecauxIncident Manager - Linux environment - JCDecaux France Application and SystemFILM AND AVJune 2023 - Today (3 years)Plaisir, FrancePiloting and coordinating major incident management (P1/P2) in an international environment• Coordinating multidisciplinary technical teams (Infrastructure, Network, Linux, Development, Application Support, and Business Units) to restore services within SLA.• Managing crisis cells and facilitating communication between technical, business, and management stakeholders during critical incidents.• Supervising escalations to expert teams (N2/N3, Application Support, R&D, Infrastructure) and monitoring until full incident resolution.• Analyzing root causes (RCA), identifying recurring problems, and piloting corrective and preventive action plans.• Proactive monitoring of digital platforms and application flows to identify operational risks and limit service interruptions.• Managing and prioritizing incidents related to Linux environments, server infrastructures, networks, application platforms, and connected equipment.• Diagnosing and resolving complex level 2 and 3 incidents in critical production environments.• Managing incidents related to data flows and distributed systems, particularly through the analysis of Kafka messages and associated monitoring tools.• Managing major changes and supporting technical transformation projects impacting production.• Contributing to large-scale strategic migrations:o Migration of over 55,000 digital devices from CentOS to Ubuntu.o Migration of 35,000 devices to the KIS platform.o Migration of infrastructures and equipment to the KBI regional proxies.• Participating in ITIL processes: Incident Management, Problem Management, Change Management, and Continuous Service Improvement.• Producing incident reports, post-mortems, operational indicators (KPI/SLA), and technical documentation.
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Education
- CEFIAC2023TECHNICIEN SUPÉRIEUR SYSTEMES ET RESEAUX Titre professionnel Diplôme niveau 5 | École CEFIAC | 2023 • Maintien opérationnel des serveurs, routeurs et équipements réseaux • Maintenir et exploiter une infrastructure distribuée et contribuer à sa sécurisation : configurer les services de déploiement et de terminaux clients légers • Maintenir et exploiter le réseau local et la téléphonie et sécuriser les accès à internet • Maintenir et exploiter un environnement virtualisé • Maintenir et exploiter un domaine Active directory et les server Windows • Participer aux projets de déploiement d’infrastructure • Administration des utilisateurs • Superviser l’infrastructure • Administrer les server Linux, installer, paramétrer un service sous linux • Processus ITIL V4 • Traiter et gérer les incidents et des demandes de services • Intervenir dans un environnement de cloud computing • Assurer sa veille technologique • Assister les utilisateurs sur leur équipements numériques
Certifications
- Cisco Network CertificationCISCO2022