As Project Lead for DBCloud Academy (dbcloud.academy), I manage this personal initiative—an online training platform hosted on AWS—designed to equip learners with in-demand tech skills. My responsibilities include administering a Linux-based environment and managing critical AWS services such as EC2, Elastic Load Balancing, S3, RDS, and more, along with security tools like WAF, Inspector, and GuardDuty. I also have hands-on experience in RDS database management, covering tasks from backups and restores to performance tuning and optimization.As a Technical Consultant at DBCloud LLC, I specialize in cloud infrastructure, designing and implementing scalable and secure solutions. I lead end-to-end cloud projects, from requirements gathering and architectural design to deployment and optimization, ensuring that all solutions align with both technical and business objectives.

▪ As a technical leader at WWF Colombia, I oversaw the successful transition from physical to virtual infrastructure on the Oracle VM platform. This strategic move led to an 80% reduction in infrastructure costs and a significant enhancement in cybersecurity by implementing a VPN server on Linux, deploying firewalls, and a VPN. These measures reduced vulnerabilities by 65%, ensuring secure connections between the company's headquarters.▪ At Heartland Alliance, as project manager for the Timesheets system implementation, our team developed a web application using ASP.NET MVC hosted on Azure cloud services. This application streamlined time sheet registration, achieving a 55% optimization in the process. It facilitated easy logging of hours, approval workflows, and report generation, enhancing efficiency and resource management across the organization.▪ In my role as project leader at EMSIRVA, I orchestrated the migration of the Oracle database to the AWS cloud, resulting in a 65% improvement in performance. We established RMAN and Oracle Data Pump backups for data security and implemented a FortiGate Firewall and site-to-site VPN for enhanced security measures. This migration enabled the seamless transfer of three Oracle database instances and a Linux VM to AWS EC2, strengthening security and efficiency.▪ Lastly, at Centro de Diágnostico Automotor del Valle, I upgraded the Oracle database engine from version 11.2 G to 12.2 C, leading to a 50% performance improvement. This upgrade followed Oracle's best practices and involved meticulous testing and backup procedures, ensuring system reliability and efficiency.

In my role, I oversaw the implementation of monitoring tools like Oracle Enterprise Manager, Toad, Foglight, and others, aiming to boost database and platform availability by 50%. This effort led to a 95% improvement in error detection and significantly reduced downtime, enhancing system stability and reliability.To optimize storage management, I conducted a data growth analysis in Oracle databases, allowing for effective resource allocation and scalability enhancement. Implementing storage management (ASM) further streamlined operations, boosting overall efficiency by 76%.Enhancing security, I integrated digital certificates using Oracle Wallet Manager into databases, strengthening data protection and facilitating ERP system integration.I managed a successful database migration from Sparc Oracle Solaris servers to Oracle VM platform machines running on Oracle Linux. This transition improved efficiency by 95% and reduced infrastructure costs by 35%.Additionally, I handled tasks related to database management, hardening, best practices, and documentation for Oracle databases, MySQL, SQL Server, Oracle VM servers, and Oracle Wallet Manager, among others.In my position, I also managed SharePoint on-premise services and conducted migration to SharePoint Online. I oversaw site creation, managed permissions, and administered organizational data.

Teaching Responsibilities: Conducting the Following Courses:- Querying Microsoft SQL Server 2012/2014- Implementing a Data Warehouse with Microsoft SQL Server 2012/2014- Oracle Administration Workshop I and II Course- Linux Enterprise Server Administration Course- VMware Virtualization Infrastructure Course: vSphere - VMware View 6.0

▪ Oracle Database Migration at TECNOQUIMICAS: Oversaw vacation replacements and led Oracle database migration from 10G on HPUX to 11G on new DELL Servers. Achieved an 85% performance boost, optimizing reporting and data analysis, resulting in a highly efficient and reliable database infrastructure supporting critical business operations.▪ Disaster Recovery Implementation at LA14: Implemented Oracle Data Guard for disaster recovery, establishing standby databases for replication. Migrated databases to virtual machines on the Oracle VM platform, strengthening disaster recovery capabilities by 100% and enhancing operational resilience.▪ Virtualization Solutions Implementation: Implemented virtualization solutions for 30+ clients, including Microsoft Hyper-V, Citrix XenServer, VMware ESX, Oracle VM, and Oracle VM Server. Increased resource utilization by 65% and enhanced scalability under technical leadership.▪ Backup Solutions Deployment: Deployed RMAN and Export/Import Data Pump backup solutions for 30+ company clients, reducing data loss risk by 95% and ensuring robust data protection and recovery capabilities.▪ Oracle APEX Application Implementations: Guided numerous clients through APEX Oracle application implementations, resulting in an 80% improvement in application performance. Supported clients in updating and optimizing business processes.▪ Database Migration at Autonoma de Occidente University: Supervised migration of databases from Oracle infrastructure on Solaris servers to Oracle VM platform with Oracle Linux, creating a scalable database environment and reducing infrastructure costs.▪ SQL Server Performance and Optimization at Microsoft Technologies: Enhanced SQL Server database performance for 100+ client companies of SIESA, an ERP provider in Colombia. Successfully migrated databases between versions, ensuring seamless data flow and minimizing disruptions.

Teaching Responsibilities: Conducting the Following Courses:- Oracle Administration Workshop I and II Course- Basic, Intermediate, and Advanced Linux Course- Virtualization Solutions Instructor (Cloud Computing):- VMware Server Course (ESXi V5 and vSphere - Server/Client)- VoIP Solutions Course – Asterisk and Grandstream Servers- Switches and Routers Configuration Course

- Gestionar, auditar, controlar y administrar la Base de Datos. - Desarrollo de procedimientos almacenados con PL/SQL. -Brindar Soporte a las Bases de datos de los diferentes subsistemas. -Controlar los cambios realizados a nivel de las Bases de Datos. - Administrador/Implementación de Servidor Citrix Xen (virtualización de Servidores Win Srv 2003, Win XP, Win 7 y Linux). - Director de proyecto Sistema de Ventas POS a Nivel Nacional. - Desarrollo de Reportes en ireports jasper. - Desarrollo de Formularios en ERP Nodum Java Para Nomina, Mantenimiento, Trasportes, liquidación entre otros departamentos. - Administrador de Servidor Windows Server 2003/2008 - Administrador/Implementador de servidores Linux (Asterisk) y Callcenter expreso Palmira). - Administrador/Implementador servidor de intranet, servidor de correo y MI. - Administrador de Firewall ISA Server Windows 2003 Server. - Administrador de Directorio Activo, Creación de Usuarios y perfiles, Políticas de Seguridad. - Administrador de Servidores UNIX (Mantenimiento, Liquidación y Tiquetes), con BD en Informix.

- Líder de proyectos tecnológicos y de innovación para mejorar procesos repetitivos en la CIA.- Soporte y administración de Plataforma tecnológica Xmart y B2C- Administrador de Servidor Windows Server 2008 y SQL Server 2005.- Administrador/Implementador de servidores Linux (Asterisk) y Proxy).- Administrador/Implementador de la Red LAN (switches, routers, access point,etc.)- Administrador servidor de intranet (joomla), servidor de correo y MI. - Administrador/Implementador de Firewall y servidor VPN en Linux.

Prestar Soporte técnico en 12 puntos de venta,- Realizar Mantenimiento correctivo y preventivo a los PCs y Red LAN.- Realizar la configuración e instalación de los Sistemas Operativos Linux –Windows.- Desarrollo del proyecto de tesis “Implementación Red VPN en Linux”.- Instalación y configuración de servidor VPN principal (Panta sede Cali Valle) y 12 clientes puntos venta (Sur Occidente colombiano) cada uno con seguridad Iptables y firewall.