Context

We are seeking a highly skilled and resilient Senior Oracle Database Administrator (DBA) to join our healthcare IT team. In our hospital environment, you will be responsible for ensuring the 24/7 availability, security, and peak performance of our databases (including billing and patient management systems).

The ideal candidate will be an expert in Disaster Recovery (DR) planning and high-availability architectures, alongside possessing deep development expertise in writing and optimizing complex PL/SQL packages, procedures, and functions.

Key Responsibilities

• Database & Linux OS Administration: Manage, monitor, and maintain high-performance Oracle Database environments (Oracle 19c/21c and above) hosted on Enterprise Linux servers. Responsible for database-related Linux OS configuration, kernel parameter tuning, shell scripting, and storage management.
• PL/SQL Development & Database Programmability: Design, develop, test, and maintain highly efficient Oracle packages, stored procedures, functions, and triggers to support complex medical workflows and enforce data integrity.
• Application & C# Integration: Collaborate closely with software engineering teams to bridge the gap between .NET/C# application layers and the Oracle database, ensuring optimal data mapping, connection pooling, and efficient API-to-database communication.
• Disaster Recovery (DR) & Business Continuity: Design, implement, and rigorously test robust Disaster Recovery (DR) strategies, ensuring minimal Recovery Time Objective (RTO) and Recovery Point Objective (RPO) using Oracle Data Guard, Active Data Guard, and Oracle RAC.
• Security & Healthcare Compliance: Ensure all database and underlying Linux OS environments comply with healthcare data privacy regulations and hospital security policies using encryption, hardening techniques, data masking, and strict access controls.