Freelancer profile translated to English.
Back to original languageAbout Marwen
Passionate about IT infrastructure and cybersecurity, I have over 10 years of experience in system and network administration and optimization. My expertise covers a wide technological spectrum, from system administration (Linux, Windows) to virtualization (VMware, Hyper-V, Nutanix), including cybersecurity, storage, and cloud (Azure, OVH, Cegedim).
🎯 Key Skills:
🔹 IT Infrastructure Management and Maintenance
🔹 System and Network Security
🔹 Virtualization & Storage
🔹 Cloud & DevOps
🔹 Monitoring and Automation
🔹 Email and IT Services Administration
🔹 Backup
Arabic
Native or bilingual
French
Native or bilingual
English
Fluent
Can work on-site
Poissy (up to 50km)
Experience
- MOTULSystem and Network EngineerPRESS AND MEDIANovember 2023 - Today (2 years and 9 months)Aubervilliers, France• - Manage the complete infrastructure, system analysis, security, and data center operations.• - Maintain operational readiness of systems under my responsibility (OS updates, backup verification and tests, failover tests of equipment including BCP & DRP).• - Act as an expert for infrastructure teams in planning, designing, and delivering IT solutions.• - Participate in concept validation to help define technological direction and system/network operational strategy.• - Participate in the design and evolution of information systems.• - Define methods and plans for data conservation, backup, and restoration.• - Develop and automate interfaces between applications (system side).• - Keep documentation of system and network procedures and configurations up to date.• - Responsible for all equipment in the data centers.• - Provide second-level support for incidents and problems in system and network areas of expertise.• - Communicate and collaborate with the local IT team as well as colleagues from other regions of the world for configuration, troubleshooting...• - Lead ad-hoc projects as requested.
- Groupe Point VisionTechnical and Security ManagerMEDICALDecember 2020 - October 2023 (2 years and 10 months)• - Organize and lead the technical team, internal and external collaborators.• - Organize and supervise all production, through the implementation of adequate IT tools.• - Ensure the Operational Readiness of the IS infrastructure.• - Evolve and optimize production infrastructures, new equipment, and automation.• - Manage production deployments and evolutions, applications, and infrastructures.• - Ensure the proper technical functioning of applications in production, whether business or cross-functional.• - Ensure the right sizing of resources.• - Guarantee a defined level of service quality and security for users in line with business constraints.• - Ensure the backup and archiving of produced data, notably by implementing data backup plans.• - Get involved in critical incident resolution, diagnosis, resolution, recovery, user information, and escalation from the Support team.• - Implement solutions to ensure the availability, security, and integrity of the information system and data.• - Conduct security system audits, often with the help of service providers.• - Analyze risks and malfunctions, and identify areas for improvement in security systems.• - Ensure technological watch to propose technological evolutions.
- Groupe Point VisionEngineerMEDICALOctober 2018 - November 2020 (2 years and 1 month)• - Installation and configuration of Linux and Windows servers.• - Deployment and administration of web architectures and databases.• - Development of shell scripts.• - Backup Management with VEEAM• - Monitoring of the information system and network services with NetXMS.• - Active Directory Management.• - GPO Management and Deployment.Virtualization:• - Installation, configuration, and administration of a Vmware ESXi Cluster.• - VM administration using Vmware Vsphere web Client.• - Installation, configuration, and administration of the PROXMOX hypervisor.• - Administration of Nutanix ClustersNetworks and Security:• - Configuration and Management of NETGEAR Switches.• - Configuration and Management of SOPHOS Firewall.• - Management of IP telephony (Grand Stream and Centrex).Storage:• - Administration and operation of NAS (QNAP and SYNOLOGY) and SAN (HPE Array) storage infrastructures.
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Education
- Master's in Computer Systems EngineeringSuperior School of Technology and Informatics2012