• Design, implement and maintain Oracle database schemas to support both transactional (OLTP) and analytical/data-warehouse workloads. • Write, review, test and deploy PL/SQL: procedures, functions, packages, triggers, bulk operations, set‐based logic and data cleansing routines. • Optimize queries, implement indexing strategies, partitioning and other performance-tuning measures to ensure database efficiency, reliability and scalability. • Lead and support ETL/data-warehousing operations: coordinate data ingestion, transformation, replication and loading workflows using tools like Qlik Replicate (or equivalent), ensuring data accuracy and timeliness. • Collaborate closely with data modelers, application developers, BI/data-warehouse teams, and DevOps/CICD pipelines to deliver database solutions aligned with business and technical needs. • Monitor, troubleshoot and resolve production issues; define and implement database monitoring, alerting and supportability practices. • Contribute to database architecture reviews, legacy code refactoring, reusable component development, and technical best-practices. • Maintain documentation of database objects, data flows, versioning, change-controls and deploy procedures, compliant with security and governance standards. • Because of the secure / DoW‐adjacent / CAC environment, adhere to strict access controls, audit logging, change-management and other relevant compliance protocols.