Managed security incidents end-to-end, analyzed firewall logs, managed IOC blocking, produced incident reports, administered Windows/Linux servers, conducted vulnerability assessments, optimized LAN/Wi-Fi networks, and coordinated with ISPs/vendors.

Daily triage and investigation of security alerts in Cortex XDR, incident response, malware analysis, network monitoring, perimeter security, and technical documentation. Strong skills in Python scripting, PowerShell, and infrastructure monitoring.

Supported enterprise clients in 4 countries, managed network devices, administered Aruba Central, Windows NPS/AD, Linux Radius, handled credentials, and supported end-user environments. Led mitigation of MikroTik vulnerability across 186 devices.

Provided Tier 2/3 infrastructure support, managed escalated tickets, configured network devices, monitored infrastructure, and led incident response for security breaches. Experience with Python scripting and ITIL-based ticketing.

Provided hands-on support for Grupo Aval, Banco Popular, Porvenir, and Attorney General's Office. Performed hardware maintenance and software configuration in retail environments.

Supported financial and public sector clients, diagnosed endpoint incidents, configured POS terminals, and managed IT asset provisioning.