Senior Oracle DB Administrator – Performance & Security

ISG - Istanbul Sabiha Gokcen International Airport; Pendik; On-site; TRY 300,000 - 540,000; Full time

Job summary

ISG - Istanbul Sabiha Gokcen International Airport seeks an experienced Database Administrator to ensure mission-critical databases run efficiently, securely, and reliably. You will design, implement, and maintain robust data systems while supporting stakeholders across the organization.

The role requires a Bachelor’s in CS or related field and 5+ years of hands-on DB management with Oracle as a must. Knowledge of cloud platforms and HA strategies is a plus.

Qualifications

• Bachelor’s degree in Computer Science or a related field.
• 5+ years of hands-on experience in managing databases (Oracle is a must).
• Proficient in performance monitoring and query optimization tools.
• Strong understanding of database security, integrity, and access controls.
• Familiar with database backup/restore strategies and high availability setups.
• Excellent problem-solving and analytical skills.
• Strong communication and teamwork abilities.
• Well-organized and experienced in project-based work.
• Certifications (e.g., Oracle Certified Professional, Microsoft Certified: Azure DBA).
• Knowledge of big data, data warehousing, or ETL tools.
• Experience with database replication, clustering, and HA solutions.
• Familiarity with cloud database platforms (AWS RDS, Azure SQL Database).
• Experience in compliance-driven environments and audit processes.

Responsibilities

• Install, configure, and maintain database systems (SQL, Oracle, MySQL, PostgreSQL).
• Monitor database performance and implement optimization techniques.
• Develop and maintain robust data backup & disaster recovery plans.
• Enforce data security policies and perform regular security audits.
• Design and model databases for scalability and performance.
• Support users and troubleshoot database-related issues.
• Manage database patches, updates, and version control.
• Optimize complex queries and database operations.
• Control and monitor access to sensitive data.
• Plan for database capacity and growth.
• Create and maintain up-to-date documentation and procedures.
• Provide performance reporting and analysis to relevant stakeholders.

Skills

Database management

Performance monitoring

Query optimization

Data security

Backup/DR planning

Auditing

Project-based work

Teamwork

Communication

Education

Bachelor’s degree in Computer Science or related field

Tools

Oracle

SQL

MySQL

PostgreSQL

Job description

ISG - Istanbul Sabiha Gokcen International Airport seeks an experienced Database Administrator to ensure mission-critical databases run efficiently, securely, and reliably. You will design, implement, and maintain robust data systems while supporting stakeholders across the organization.

The role requires a Bachelor’s in CS or related field and 5+ years of hands-on DB management with Oracle as a must. Knowledge of cloud platforms and HA strategies is a plus.