jean francois Hanga

Supported 20 clients on infrastructure, security and Microsoft 365. Set up Zabbix monitoring at 5 clients and trained over 50 users on Microsoft 365 and security best practices.

Deployed Maarch Courrier for mail and document workflows, interconnected with Zimbra email, Maarch Parapheur and Alfresco. Installed and hardened Ubuntu 22.04 LTS servers, and managed end-to-end deployments including Active Directory, VMware, Proxmox, Veeam, and Wazuh.

Provided day-to-day infrastructure support and deployments for individuals and SMEs. Maintained the organisation's WordPress site including updates, backups, security, SSL, and SMTP.

Served as the single technical point of contact for over 100 users and administered PostgreSQL and MongoDB databases. Cut average resolution time by 40% by documenting recurring incidents.

Wrote the site security plan covering data protection and regulatory compliance. Set up Grafana monitoring across the network, which halved downtime from 16 to 8 hours, and operated VMware, Proxmox, Veeam and Wazuh for virtualisation, backups and security monitoring.

Administered Windows and Linux servers (physical and VMware) and 20 network devices for 1,300 users. Resolved L2/L3 incidents under a 4-hour SLA with 98% availability through monitoring, backups and hardening.

Fortinet Certified Fundamentals in Cybersecurity and Threat Landscape, obtained in 2024.

PMP certification obtained in 2022.

Master's degree in Computer Science from the University of Yaoundé I, completed in 2019.

Bachelor's degree (Licence) in Computer Science from the University of Yaoundé I, completed in 2018.