Khalid Basiyd Fellahi

Olyos

Systems and network technician — Microsoft 365

Annemasse, France

• L1/L2 user support: incident diagnosis, resolution and follow-up
• IT estate management and maintenance: workstations, peripherals, software, telephony and tablets
• Active Directory administration: user accounts, access rights and shared resources
• Microsoft 365 administration: Teams, SharePoint, Exchange Online and Entra ID
• Network management and configuration: VLANs, TCP/IP, IP addressing and network infrastructure monitoring
• IT security awareness, workstation and data protection
• IT stock and inventory management with ticketing tools / GLPI
• Procedure writing, technical documentation and contribution to continuous improvement

• Microsoft 365
• Entra ID
• Exchange Online
• Teams
• SharePoint
• Active Directory
• VLAN · TCP/IP
• GLPI

SNCF Réseau

Systems and network technician

Marseille, France

• Resolving a wide range of hardware, system and network incidents via ServiceNow (L1, L2, working with L3)
• Managing incidents on O365 and other applications via ServiceNow (L1, L2, working with L3)
• Providing friendly walk-up support at our “Digital Bar”
• Managing access and accounts via Active Directory, LDAP and IAM
• Networking IT equipment (patching, installation…)
• Imaging, configuring and installing IT hardware (desktops, laptops, tablets, printers…)

• ServiceNow
• Office 365
• Active Directory
• LDAP
• IAM

Assystem

Systems and network technician

Marseille, France

• Imaging around a hundred desktops and laptops a day, ensuring their commissioning and availability
• Hardware upgrades (adding RAM, replacing hard drives) to optimise performance and efficiency
• After-sales service: diagnosing and replacing components (screens, keyboards, internal parts) to maintain reliability
• IT hardware logistics: order preparation, processing and tracking
• Shipping equipment accurately and on time to guarantee user satisfaction

SNCF Voyageurs

Systems and network technician

Lille, France

• Resolving a wide range of hardware, system and network incidents via ServiceNow (L1)
• Imaging, preparing and installing workstations (thin clients, laptops, desktops)
• Installing and configuring IT hardware (printers, scanners, keyboards, headsets…)
• Handling calls, emails, requests and L1/L2 incidents on office, network and server tools
• Taking part in networking and configuring equipment (routers, firewalls, switches)
• Monitoring the infrastructure and keeping it running (system resource checks, updates, supervision)
• Updating documentation, procedures and internal resources to ensure operational continuity

GIS SL

Systems and network maintenance technician

Tortosa, Spain

• Custom PC assembly, configuration and installation
• Preventive and corrective maintenance of the IT estate
• Hardware diagnosis, repair and refurbishment
• Level 1 and 2 technical support, remote and on-site
• Active Directory administration and user account management
• IP telephony deployment and troubleshooting (Asterisk, VoIP)
• Incident ticket management (GLPI), procedure and technical report writing

• Active Directory
• Asterisk · VoIP
• GLPI

VENCOTEL s.r.l.

IP telephony technician

Turin, Italy

• Installing and configuring IP telephony solutions (Asterisk, Elastix)
• Deploying and configuring VoIP phone systems
• Configuring and maintaining IP terminals (Yealink, Yeastar and others)
• Managing user accounts, extensions and dial plans
• Diagnosing and resolving network and IP telephony incidents
• Installing, configuring and maintaining IP video-surveillance systems
• Technical assistance to users and writing of operating documentation

• Asterisk
• Elastix
• Yealink
• Yeastar

Self-employed

Systems & network technician · Web developer

Alongside my employed roles, I build and host websites for clients and personal projects — from development to Linux server administration.

• Administration of dedicated servers and Linux VPS (Ubuntu, Debian, CentOS): installation, hardening, monitoring, backups
• Web development in PHP, HTML, CSS. Set-up and customisation of CMSs: WordPress, PrestaShop, Joomla, PHPBoost, Xoops
• Apache, Nginx (reverse proxy) and LiteSpeed web servers: configuration, performance tuning and caching
• Nginx-RTMP live-streaming servers and CDN distribution
• Mail servers: Exim, Postfix, Sendmail
• Security: IPtables, CSF and LFD firewalls
• SEO and performance optimisation

• Linux
• PHP
• WordPress
• PrestaShop
• Apache
• Nginx
• LiteSpeed
• Nginx-RTMP