أسامة Nefzi

Secure Identity and Administrative Access Management (IAM & PAM as a Service)
Design of a secure and scalable multi-tenant architecture
Implementation of SSO and MFA to strengthen authentication
Implementation of granular RBAC access control
Development of a PAM module to secure sensitive access (SSH, RDP)
Implementation of a comprehensive audit system with traceability and reporting
Integration with existing systems (LDAP, Active Directory, identity providers)
This project allowed me to develop concrete expertise in cybersecurity, SaaS architecture, and access management, while
addressing real-world business challenges.

Design, deploy, and maintain IT infrastructure including servers, storage, and network devices. Confgure and manage LAN,
WAN, VPNs, and IP-based secure access. Implement and maintain cloud solutions and virtualized environments (AWS,
Azure, VMware).
Orchestrate containerized applications using Kubernetes.
Automate system confgurations and deployment processes with Ansible.
Build, monitor, and maintain CI/CD pipelines for seamless software delivery.
Monitor system and network performance using Prometheus and Grafana

Design, deploy, and maintain IT infrastructure including servers, storage, and network devices. Confgure and manage LAN,
WAN, VPNs, and IP-based secure access.
Troubleshoot and resolve hardware, software, and network issues.
Ensure security, data protection, and operational reliability across IT systems.
Provide technical support and guidance to junior staff and end-users.

install and maintain computer systems for air defense operations, ensuring the integrity and availability of critical data.
Perform preventive and corrective maintenance on systems to guarantee the reliability of infrastructures and data fows.
Prepare detailed technical reports and documentation on system performance, including data analysis and optimization
recommendations. Provide training to new technicians on best practices for system and data management, ensuring
effective knowledge transfer and continuous process improvement.