Job Summary: IT professional responsible for managing, maintaining, and optimizing databases to ensure data integrity and security. Key Highlights: 1. Management and optimization of high-availability databases. 2. Collaboration with development teams on data modeling. 3. Troubleshooting and technical support in data environments. **Description and Responsibilities:** **Working Hours:** Business hours **Level:** Professional **Employment Type:** Independent Contractor (PJ) * Manage and maintain database integrity and security. * Perform data backups and restorations, ensuring information availability. * Monitor database performance and optimize SQL queries. * Implement security policies and data access controls. * Collaborate with development teams on data modeling and system integration. * Resolve database-related issues and provide technical support. * Document processes and procedures related to database administration. * Perform database management system updates and migrations. **Requirements:** * Bachelor’s degree in Information Technology or a bachelor’s degree in any field plus a postgraduate degree in Information Technology (minimum 360 hours). * Proven experience administering high-availability data environments (24x7). * ITIL 4 Foundation certification required. Database administration specialist. Oracle Database Administrator Certified Professional (OCP), PostgreSQL Professional Certification, or MCSA SQL Database Administrator certification. * Oracle database administration; * SQL Server database administration; * PostgreSQL database administration; * MySQL database administration; * NoSQL database administration; * Relational and non-relational database architecture; * Diagnosis and resolution of operational issues in database architecture; * Analysis and planning for expansion and installation of new database architecture components; * Data modeling methodologies and techniques: relational, object-oriented, multidimensional, and unstructured; * SQL and PL/SQL; * Windows operating systems; * Linux operating systems; * Shell script automation development; * Support in high-availability environments; * Security management and governance; * Data backup and recovery methods; * Query execution plan analysis; object fragmentation analysis; * Identification and creation of indexes to improve execution plans; * Oracle database administration on versions 12c or later; * Backup tool administration; * Performance analysis, execution plan analysis, trace execution; * Database access security control. **Benefits:** No benefits provided