Senior Oracle Database Administrator (Freelance) - LAV000624

Senior Oracle Database Administrator (Freelance)

Brussels, Belgium
Start: June 2026 | Duration: Until December 2026
Full-time | Hybrid

About the Role

We are looking for a Senior Oracle Database Administrator to join the IT Operations team within a major public sector organization. You will play a key role in ensuring the stability, performance, and security of critical database environments that support essential services.

As part of a dedicated DBA team, you will manage primarily Oracle databases, with additional exposure to PostgreSQL and MS SQL Server environments.

Your Responsibilities

• Manage and monitor Oracle database environments (12c, 18c, 19c)
• Oversee backup and recovery processes using RMAN
• Perform database installations, migrations, and upgrades
• Handle day-to-day operations, monitoring, and incident resolution
• Manage user access, security, and permissions
• Support and maintain distributed database environments (replication, log shipping)
• Troubleshoot issues and liaise with Oracle Support when needed
• Contribute to design and implementation of new database solutions
• Optimize database performance through tuning and best practices
• Document configurations, processes, and changes

Your Profile

Must-Have

• Minimum 5 years' experience as an Oracle DBA
• Strong experience with:
  • Oracle database administration (12c, 18c, 19c)
  • RMAN backups and recovery
  • Oracle Enterprise Manager
  • Distributed environments (replication, log shipping)
• Experience with installations and migrations of Oracle environments
• Strong knowledge of database security and user management
• Experience with SQL and PL/SQL
• Solid understanding of DBMS environments
• Dutch proficiency at CEFR level C2

Nice to Have

• Experience with database performance tuning
• Knowledge of PostgreSQL and/or MS SQL Server
• Experience with Linux and Bash scripting
• Familiarity with Oracle Spatial, Text, and Partitioning
• Experience with enterprise storage systems

What's in It for You

• Work in a mission-critical IT environment within the public sector
• Be part of a skilled and collaborative DBA team
• Contribute to the stability and modernization of key systems
• Hybrid working model with flexibility

Additional Information

• Freelance assignment under framework agreement
• Full-time engagement
• Hybrid work setup
• Opportunity for extension