Freelancer profile translated to English.
Back to original languageAbout Hassan
System and infra engineer for over 14 years, passionate entrepreneur, I have carried out and participated in numerous system and infra projects for large accounts (Bouygues Telecom, Stef Group, Edenred, GRDF, etc.). The experience I have gained over all these years has allowed me to acquire advanced skills and knowledge in various technologies, such as: System administration, virtualised infrastructure management, Scripting, configuration management, etc.
French
Fluent
English
Fluent
Arabic
Native or bilingual
Can work on-site
Paris (up to 50km)
Experience
- GRDFSystem and Infrastructure EngineerOctober 2020 - Today (5 years and 8 months)Paris, FranceContext / Challenges: Attached to the GRDF IT department (340 applications - 8 critical applications systems). Within the 10-person Server POI team, we manage an IT park of approximately 5000 Virtual Machines (Linux, Windows, Solaris) under VSphère and physical. We manage the production of business applications, ensure RUN maintenance, and carry out evolutions (deployment, knowledge, automation, documentation).Build:• Creation of Virtual Machines under ALIS• Creation, configuration, and optimization of VMs• Management of databases (storage)• Configuration of VLANs at the vCenter level• Installation, configuration, and deployment of ESXs• Connection and compliance of Virtual and physical serversRun:• L2/L3 support for cross-functional incidents on Windows, Linux REDHAT, Solaris OS• Operational readiness of the system and infrastructure foundation• Management of the virtualised infrastructure under VMware VSphere (VMs, ESXs, Datastores, VLANs, DR...)• Management of DELL R750, HP DL380 physical servers: ILO, IDRAC• Monitoring: Centreon, Vrops, VRLI, Crowdstrike, Events Log, PagerDuty• Monthly patching• Management of the Crowdstrike antivirus console and agents• CODE management on GITLAB• Writing of PTI, PTE, DEX, and technical contribution to REX on incidents• Define and produce reporting on the monitoring of this activity• Automation of tasks on Ansible TOWER• Scripting and automation of tasks using PowerShell, Bash• Management of Red Hat Enterprise Linux Servers
- BPCEProduction EngineerJune 2019 - August 2020 (1 year and 2 months)Context / Challenges:Deliver the technical foundations necessary for the implementation of business projects within the given timeframe and ensure the operational maintenance of the applications within the BPCE PDT scope in compliance with the defined security level and SLA. Within the team managing the production of business applications, we ensure RUN maintenance and carry out evolutions (deployment, knowledge, automation, documentation).Tâches et missions:Run:• Handling of daily L2/L3 incidents with diagnosis and resolution (Correction and Prevention) or escalation to the appropriate teams. With regular follow-up and communication on progress.• Addressing incidents detected by technical infrastructure monitoring (SCOM, ZABBIX, monitoring scripts).• Improvement of monitoring (SCOM, ZABBIX, monitoring scripts).• Contribution to technical and/or functional evolution projects, including software installations. Writing and updating documentation for operating procedures and instructions. Creation of technical jobs on VTOM. Administration and troubleshooting of Windows/Linux operating systems.• Participation in on-call duties and interventions outside of business hours.• Inter-cluster migration of VMs, reconfiguration of VMs post-migration.• Writing of start guides/wikis and how-tos for new solutions.• Providing Level 3 support for operations.Build:• Migration of server monitoring from Centreon to Zabbix.• Creation of templates and improvement of monitoring on Zabbix.• Management of VMs on VMWare vSphere.
- DXC TechnologyWindows System and Virtualization AdministratorMarch 2016 - September 2019 (3 years and 6 months)X7WJ+6M4, Salé, MoroccoShared Account (STEF-IT / EDENRED)• Provide technical and functional/business support (Level 2 and 3) for the STEF GROUP application suite.• Handling of incidents (reported on Service Manager) related to Windows systems and applications.• Analysis and troubleshooting of system logs and errors.• Verification of hardware and software performance alarms for servers, and restoration of the environment according to predefined procedures (Hardware Calls, Software Calls).• Monitoring of server performance by Centreon, Nagios, and Windows Performance Monitor.• Troubleshooting of virtual infrastructure under VMware and Hyper-V (Network, system, storage, DRS, high availability).• Provisioning, installation, and troubleshooting of servers on the Azure Cloud.• Deployment, management, and maintenance of servers on AWS, Azure cloud platforms.• Automation of tasks using tools like Terraform, Ansible.• Performance monitoring with Azure Monitor.• Containerization of applications using Docker.• Administration of CITRIX Xenapp farms.• Management of the Active Directory environment (AD, GPO, DNS, DHCP).• Patch management from SCCM 2012 and HPSA.• Deployment and version upgrades of applications in testing and production environments using JENKINS.• Setup and monitoring of Jobs on ONE AUTOMATION.• Weekly technical workshops for monitoring projects related to infrastructure evolution and change requests to be processed during the week.• Monthly simulations of Disaster Recovery Plans (DRP) for servers, hypervisors, and client applications (Locally or via SRM).• Writing of Incident Reports and RCA (Root Cause Analyses), and problem tracking.• Verification of hardware and software performance alarms for servers, and restoration of the environment according to predefined procedures.
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Education
- Specialized Technician, Administration of / Network and Systems AdministratorIsta Ntic2009Technicien spécialisé, Administration de / administrateur réseaux et systèmes
- Licentiate degree, Information TechnologyInternational University of Rabat2013Licentiate degree, Information Technology
Certifications
- VMware Certified Professional – Data Center Virtualization 2019VMWARE2019
- Microsoft Certified: Azure Administrator AssociateMicrosoft2019