Ahcene A.

I help you ensure the stability, performance, and security of your IT infrastructure through a comprehensive approach combining system administration, network management, and cybersecurity best practices.

System Administration

Windows / Linux installation, configuration, and maintenance

User, rights, and security policy management

Performance monitoring and optimization

Backup and recovery plan management

Virtualization (VMware, VirtualBox, Hyper-V)

Task automation (scripts, administration tools)

Networks

LAN / WAN network configuration and administration

DNS, DHCP, VPN, VLAN management

Firewall implementation and configuration

Network segmentation and traffic security

Network incident diagnosis and resolution

Availability monitoring and improvement

Cybersecurity

Security policy implementation

Access and authentication management

Security audit and risk analysis

System hardening

Server and client workstation protection

Log monitoring and anomaly detection

Environments & tools

-Linux / Windows Server

-Active Directory

-Virtualization tools

-Backup solutions

-Firewalls & VPNs

-CI/CD & virtualized environments

Types of missions

Infrastructure administration and maintenance

Implementation of secure network architectures

Strengthening system security

Audit and improvement of existing systems

Deployment of servers and network services

Technical support and incident resolution

My goal

To ensure a reliable, secure, and high-performing infrastructure capable of supporting your applications and users under the best conditions.