Santiago A.

🔐 Cybersecurity, Networks, and Linux Consultant

I help companies protect their critical information through cybersecurity audits, vulnerability detection, and subsequent remediation. My approach combines deep technical expertise with practical analysis tailored to each business.

🛡️ Cybersecurity and Information Protection

Cybersecurity audits and penetration testing, pentesting.

Phishing attack simulations for staff training and awareness.

Configuration and hardening of firewalls (Fortigate, Sonicwall), Linux systems, and enterprise networks.

Automation of encrypted cloud backups.

Centralized authentication systems: Radius.

Incident monitoring and response.

🌐 Network Design and Administration

Design, implementation, and auditing of LAN/WAN networks, VLANs, VPNs (IPsec/OpenVPN/WireGuard), advanced routing.

Installation and configuration of routers, switches, and firewalls from multiple manufacturers (Fortinet, Mikrotik, Ubiquiti, D-link).

Design and deployment of networks for fiber operators and public or private WiFi services.

Professional WiFi networks: Ruckus, Aruba, TP-Link, Ubiquiti, Grandstream.

🖥️ Linux and Automation

Linux server administration (Debian, Ubuntu, CentOS, etc.).

Development of Bash scripts for task automation, monitoring, and maintenance.

IP Voice (VoIP) servers with Asterisk, FreePBX, Issabel.

🏨 WiFi and Hotspot Solutions

Implementation of WiFi solutions for hotels, campsites, shopping centers, and public spaces.

Access control with captive portals, usage statistics, and regulatory compliance.

✅ Over 20 years of experience helping companies have secure, efficient, and scalable networks.

📍 Available for remote or on-site projects.

📧 Have questions about your network or digital security? Write to me and I'll help you find the solution.