Abdenacer B

IT Support Engineer - Systems & Network Engineer

Freelancing Career • Tiempo completo

Jan 2019 - Present • 7 yrs 4 mos

Provided end-to-end IT support and infrastructure management for multi-site operations, ensuring system availability, security, and operational continuity in a high-demand environment. • Provided L1/L2 IT support to end users in a corporate environment, ensuring fast resolution, user satisfaction, and SLA compliance. Delivered daily IT support across hardware, operating systems, and core services, ensuring fast issue resolution and minimal service disruption. • Managed incident and service requests through ServiceNow, improving response efficiency through structured triage and documentation. • Administered Microsoft 365 and Exchange services, supporting user access, mail services, and collaboration for large user groups. • Configured, maintained, and optimized LAN/WAN/WLAN infrastructure to improve network stability, performance, and availability. • Supported multiple departments, including operational and medical units, with strict attention to data confidentiality and service reliability. • Implemented and maintained backup and recovery solutions to ensure data protection and business continuity. • Automated routine administrative and support tasks using PowerShell, Bash, Python to improve efficiency and reduce manual workload. • Deployed and maintained large-scale workstation environments using WDS, SCCM, and Clonezilla, ensuring consistent system configurations. • Administered Active Directory and cloud platforms (Azure, MS 365) to enforce secure access, role-based permissions, and account lifecycle management. • Provided remote and on-site support using secure remote access tools, minimizing downtime across distributed locations. • Strengthened endpoint security through malware protection, patch management, and security best practices, improving compliance and system resilience. • Managed virtualized environments using VMware and Hyper-V to optimize resource utilization and system flexibility. • Developed technical documentation