
Database Administrator (Oracle)
توسن تکنو
- سطح ارشدیت
- کارشناس ارشد
- موقعیت مکانی
- تهران
- نوع همکاری
- تمام وقت
- ساعت کاری
- شنبه الی چهارشنبه ساعت 8 تا17
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.


