We are Sitti, partners of the Medellín Mobility Secretariat! We support the Medellín Mobility Secretariat in its efforts to transform the city’s mobility into a more efficient, sustainable, and citizen-centered system—focused on safety and responsibility on the roads. We want you to join our team! We require a highly motivated, results-oriented **DBA Analyst** for our team, responsible for the design, implementation, administration, monitoring, backup, recovery, and optimization of Oracle databases, ensuring the availability, data integrity, security, and performance of the organization’s information systems. Key Responsibilities: * Administration, configuration, and upgrading of Oracle Database (12c–21c). * Management of RAC, ASM, Data Guard, and storage. * Performance monitoring and tuning (AWR, ADDM, SQL, SGA/PGA). * Implementation of backups and recovery using RMAN and DRP. * Automation, monitoring, and incident response. * Application of security measures, access control, and system hardening. * Data modeling, capacity planning, database migrations, and technical documentation. Requirements: * Degree in Systems Engineering, Computer Science, Electronics, or related fields. * 2–3 years of experience administering Oracle databases in production and mission-critical environments. Experience in backups, recovery, performance tuning, and automation. * Minimum 1–2 years of experience in similar roles providing functional and technical support; prior experience interacting with clients and stakeholders is essential. **Knowledge of Tools and Technologies** * Oracle Database (12c, 19c, 21c) * Oracle Enterprise Manager (OEM / OEM Cloud Control) * RMAN * Linux (Red Hat, Oracle Linux) * SQL Developer, TOAD, DBeaver * Shell scripting * Monitoring tools (Zabbix) * Version control and documentation (Git, Confluence) * Ticket and service management (JIRA, GLPI) Additional Information: * Work location: Medellín, Caribe neighborhood * Indefinite-term contract Position Type: Full-time, Indefinite