DBA Oracle

afarax is looking for a freelance DBA Oracle. We need you!

The project:

Our client in the banking sector is looking for a DBA Oracle to join their team.

Key responsibilities:

Performance & Resource Optimization

• Optimize Oracle database performance using best practices:
• Apply compression techniques to reduce storage and improve I/O efficiency
• Perform query tuning to resolve performance bottlenecks
• Guide developers on efficient SQL coding and indexing strategies
• Improve ExaCC CPU efficiency by fine-tuning resource allocation algorithms
• Optimize backup and recovery processes for ZFS and ZDLRA appliances
• Document performance tuning methods, configurations, and troubleshooting steps

Cross-Team Collaboration & Project Support

• Support cost optimization initiatives through database efficiency improvements
• Lead and contribute to key projects:
• Migration to Kerberos authentication
• Oracle Client upgrades
• Assist development teams with best practices in database design, performance, and scalability
• Create and maintain technical documentation (runbooks, SOPs, architecture diagrams)
• Conduct knowledge-sharing sessions (workshops, internal presentations)

Multi-Platform Expertise (Bonus)

• Provide optimization insights across Azure SQL, PostgreSQL, and Azure Synapse environments
• Contribute to hybrid/multi-cloud strategy and best practices
• Document and share cross-platform lessons learned

Is this you?

Technical Expertise

• Strong experience as an Oracle DBA
• Expertise in performance tuning, compression, and resource optimization
• Solid SQL and PL/SQL skills for complex query analysis and optimization
• Experience with ExaCC, ZFS, and ZDLRA (strong advantage)
• Familiarity with Kerberos authentication and Oracle Client upgrades
• Knowledge of Azure SQL, PostgreSQL, or Azure Synapse (nice to have)

Professional Skills

• Analytical thinking
• Strong problem-solving mindset
• Proactive and autonomous
• Team player with strong collaboration skills
• Focus on efficiency and cost reduction
• Experience in documentation and knowledge transfer

Additional Assets

• Oracle certifications (e.g., Oracle Certified Professional – DBA)
• Strong communication and mentoring abilities

Core Skills Summary

• Oracle DBA
• SQL & PL/SQL
• ExaCC
• ZFS
• ZDLRA
• Azure SQL
• Azure Synapse
• PostgreSQL
• Performance Tuning
• Cost Optimization
• Documentation & Knowledge Transfer
• Problem Solving
• Proactivity
• Team Collaboration<

How afarax supports you?

• You benefit from our extensive network
• You will have access to projects that fit your expertise
• We help and support you throughout your project
• We offer the possibility to build a valuable and lasting partnership

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