**Job Description:** Position Description We are seeking a highly qualified Senior Oracle DBA to administer, maintain, and optimize our database environments. The professional will be responsible for ensuring high availability, performance, security, and data integrity, as well as supporting development and infrastructure teams with advanced technical solutions. Responsibilities Administer and perform preventive and corrective maintenance on Oracle databases (OLTP and Data Warehouse). Monitor performance, identify bottlenecks, and implement tuning improvements (SQL and infrastructure). Ensure high availability of environments, including configuration and management of RAC, Data Guard, and ASM. Conduct capacity analysis, growth planning, and resource optimization. Execute and validate backup and recovery routines (RMAN). Manage patches, upgrades, and Oracle version migrations. Enforce security policies, access control, auditing, and compliance. Handle critical incidents and root cause analysis (RCA). Support development teams in query and data structure modeling and optimization. Document procedures, architectures, and database administration best practices. **Requirements:** Technical Requirements Solid experience (7+ years) as an Oracle DBA. **Proficiency in Oracle technologies:** Oracle Database 11g / 12c / 19c Oracle RAC Data Guard ASM RMAN OEM / Cloud Control Strong knowledge of SQL and PL/SQL. Experience in database and query tuning. Hands-on experience with Linux/Unix environments. Knowledge of high availability, replication, and backup strategies. Experience with Oracle environment migration and upgrades. Desirable Qualifications Oracle certifications (OCP/OCA/OCE). Experience with Oracle Exadata. Knowledge of NoSQL databases or other DBMSs (PostgreSQL, SQL Server). Experience with cloud platforms (OCI, AWS, Azure) and Oracle Cloud solutions. Experience with automation (Shell Script, Python, Ansible). Desired Profile Analytical ability and critical thinking. Proactivity and autonomy in solving complex problems. Strong communication skills and ability to collaborate with cross-functional teams. Organization and attention to documentation and processes. **Benefits:** * Health insurance (Sulamérica) * Dental insurance (Amil) * Life insurance * Meal allowance (Pluxee)