Database Administrator (Oracle)

We are looking for a Database Administrator (Oracle) to join Tosan Techno. In this role, you will contribute to ensuring the stability of mission-critical systems by designing, maintaining, and optimizing Oracle databases. This opportunity is a good fit for someone with deep expertise in Oracle architecture, High Availability, and Disaster Recovery solutions who wants to make a direct impact on production troubleshooting, performance tuning, and data infrastructure reliability.

Responsibilities

• Design, install, configure, and maintain Oracle Database architectures across versions 19c and 23ai aligned with organizational needs.
• Implement and maintain high availability and data replication solutions, including Oracle RAC, Oracle Data Guard, and Oracle GoldenGate.
• Design, execute, and test Backup and Recovery policies to ensure data security and business continuity.
• Manage, monitor, and troubleshoot operational issues in production environments using Oracle Cloud Control.
• Perform performance tuning at the database, query, and infrastructure levels to optimize system efficiency.
• Execute database upgrades, apply periodic and security patches, and prepare technical documentation and operational status reports.
• Conduct R&D to implement new database capabilities in close collaboration with development, infrastructure, and security teams.

Requirements

Must Have

• At least 5 years of relevant experience as an Oracle DBA, with strong mastery of Oracle 19c and 23ai architecture and installation.
• Hands-on expertise in configuring and maintaining Oracle RAC, Oracle Data Guard, and Oracle GoldenGate.
• Solid proficiency in Backup and Recovery, database upgrades, patching, and monitoring via Oracle Cloud Control.
• Proven operational experience in production troubleshooting, performance tuning, and R&D-driven feature implementation.
• Effective communication and stakeholder management skills across cross-functional teams (development, infrastructure, and security) to manage multiple operational priorities.

Nice to Have

• Experience in the banking, payment, or fintech industry, with familiarity with banking security standards and high-traffic environments.
• Valid international Oracle certifications such as OCP or OCM.
• Familiarity with Shell Scripting and PL/SQL for automating operational processes.

Benefits

• Complementary Health Insurance.
• Employee Loans and Welfare Facilities.
• Learning and Professional Development Budget.
• Flexible Working Hours.
• Professional and Learning-Oriented Work Environment.
• Organizational Gifts and Celebrations.
• Access to Café.
• Lunch Allowance.