lesly

Experiencia demostrada en Linux/Unix administration.

Experiencia demostrada en VMware vCloud Director.

Experiencia demostrada en ESXi.

Experiencia demostrada en vCenter.

Experiencia demostrada en Network security.

Design and maintain database solutions supporting business operations.. Define data structures, relationships, access models, and backup requirements.. Provide technical guidance on information systems and technology-related processes.

Administered Linux systems, virtualized infrastructure, and critical technology services supporting production, development, and sandbox environments.. Managed 60+ servers and 10+ high-availability MySQL/MariaDB databases, including backup, recovery, performance optimization, and operational continuity.. Administered VMware vCloud Director, ESXi, and vCenter environments alongside infrastructure services including HAProxy, Squid, WSO2 and OpenVPN.. Designed and maintained monitoring, alerting, and operational procedures for service availability, capacity, performance, and security events.. Investigated and resolved incidents affecting availability, integrity, performance, and security, coordinating with development, networking, and cybersecurity teams.. Administered and supported infrastructure services for a nationally significant digital platform, while applying appropriate discretion around sensitive systems and customer information.

Provided hardening, monitoring, network-security, and incident-resolution services to 15+ client institutions across banking, public-sector, and other mission-critical environments.. Implemented and operated SIEM and security-monitoring capabilities using AlienVault USM/OSSIM, OSSEC, Suricata, and related log and event sources.. Configured and monitored IDS/HIDS, network-flow analysis, packet-analysis, firewalls, proxies, VPNs, and network-management solutions.. Designed secure network and monitoring architectures for corporate and banking environments, including Wi-Fi networks, ATMs, and cryptographic services.. Used Nagios, NFSen, and complementary monitoring tools to identify availability, performance, traffic, and security anomalies.. Management of multi-vendor network infrastructure using equipment from Cisco, Huawei, HP, TP-Link, and D-Link, including configuration and troubleshooting of VLANs, L2/L3 routing, ACLs, port mirroring, and SNMP-based monitoring.. Led technical deployments, coordinated implementation activities, and delivered training on SIEM, monitoring, and security technologies.

Selected as part of an internal technical elite team supporting the parallel development of a neobank initiative while continuing core infrastructure responsibilities.. Designed AML/CFT rules, business-oriented KPIs, dashboards, alerts, and operational reports using Metabase, Power BI, and Excel.. Applied data analysis, ETL concepts, and data-warehousing practices to support operational and business decision-making.