Job Summary: We are seeking a Senior Oracle / Cassandra / DocumentDB DBA to support, optimize, and evolve database environments, tackling high-performance and high-availability challenges. Key Highlights: 1. Administer, monitor, and maintain Oracle, Cassandra, and DocumentDB environments. 2. Ensure high availability, data integrity, and security. 3. Participate in improvement projects, migrations, and version upgrades. We are looking for a **Senior Oracle / Cassandra / DocumentDB DBA** to join our team and directly support, optimize, and evolve our database environments. If you thrive on challenges, enjoy working in critical environments, and want to work with high performance and availability, this opportunity is for you! ### **Your Responsibilities:** * Administer, monitor, and maintain **Oracle, Cassandra, and DocumentDB** environments. * Ensure high availability, data integrity, and security. * Perform performance analysis and tuning (queries, indexes, execution plans). * Implement and manage backup and recovery routines. * Support development and infrastructure teams. * Participate in improvement projects, migrations, and version upgrades. ### **What We Expect From You:** * Solid experience administering **Oracle and/or SQL Server**. * Knowledge of performance **tuning and troubleshooting**. * Experience with backup, restore, and replication routines. * Experience in **Windows and/or Linux** environments. * Analytical, proactive, and collaborative mindset. ### **Nice-to-Have Qualifications:** * Experience with cloud environments **(AWS, Azure, or OCI)**. * Knowledge of high availability solutions **(AlwaysOn, Data Guard, RAC)**. * Experience with automation and scripting **(Shell, PowerShell)**. ### **What We Offer:** * Collaborative and innovative environment. * Opportunities for professional growth and development. * Challenging and high-impact projects. If you want to advance your career as a DBA and work in robust, strategic environments, we want to meet you! ### **Required Knowledge and Skills:** DBA, SQL Server, Cassandra, Cloud ### **Department:** MSP