This text can be a short description about your company. A so called "boilerplate", describing your business, services or products that you offer and your target group. This text should be informative rather than selling. For our business partner, one of the largest integrators of IT and physical security solutions for national and European critical infrastructure, we are looking for a dedicated and experienced Oracle Database Administrator to join the IT teams.  The ideal candidate will have a deep understanding of Oracle database systems and will be responsible for administering, optimizing, and securing databases within the organization. Main tasks Installing, configuring, and administering Oracle databases (versions 11g, 12c, 19c or later). Monitoring database performance to ensure maximum availability and efficiency. Implementing and managing data backup and recovery strategies. Managing database access, including configuring and maintaining security and permissions policies. Optimizing SQL queries and analyzing the performance of Oracle-based applications. Solving technical issues and troubleshooting databases, including managing security updates and patches. Collaborating with developers to optimize SQL code and propose improvements. data replication and synchronization between multiple databases. Planning and executing data migrations and version upgrades. Documenting all database administration and configuration activities. Your Profile At least 6+ years of experience in Oracle database administration . Solid knowledge of SQL , PL/SQL, and query optimization . Experience in managing high-capacity database instances and ensuring continuous availability. Knowledge of performance monitoring and diagnostic tools ( Oracle Enterprise Manager , AWR , etc.). Backup and restore management skills using RMAN. Solid knowledge of database security and data encryption.Experience in clustering and replication solutions (RAC, Data Guard). Ability to work effectively in a team and collaborate with other technical and non-technical departments. Relevant Oracle certifications (OCA, OCP, OCM) are an advantage. Bachelor's degree in Computer Science, Engineering, Mathematics, or a similar technical field