data masking , Goldengate, Terraform, Shell scripting, Python, Data Guard, Azure DevOps, Jenkins, Ansible, RMAN backup recovery, Git-based workflows, OCI database services, OCI Database Migration Service, OCI Networking, CI CD pipelines, Strong SQL and PL SQL skills, OCI Cloud Expertise, IAM and security models, OCI Resource Manager, RAC ASM, RMAN Data Pump, OCI CLI SDK, auditing and access control