Oracle Database Administrator

Work in a dynamically growing company providing modern technologies for the payment market. Participation in innovative, international projects shaping global payment standards, including in the area of mobile payments. Opportunity for professional development through the implementation of projects based on a variety of technological solutions. Independence in organizing work with an emphasis on high-quality customer service. On-site work in office located in the center of Warsaw.

• Bachelor’s degree in Computer Science or a related field (or equivalent practical experience)
• 3+ years of experience as an Oracle DBA in Unix/Linux environments
• Hands-on experience with database administration and development projects
• Strong knowledge of Oracle database technologies, tools, and architecture
• Proven experience in SQL and database performance tuning
• Experience with high-volume OLTP systems
• Understanding of data modeling (logical and physical design)
• Familiarity with backup/recovery strategies and replication solutions (e.g., Data Guard)
• Strong troubleshooting and problem-solving skills
• Ability to manage multiple priorities in a dynamic environment
• Excellent communication skills in English (written and spoken)

Nice to have:

• Experience working with large-scale (terabyte+) databases
• Knowledge of Oracle best practices (indexing, partitioning, hints, schema design)
• Experience in international or distributed teams
• Scripting/automation skills (e.g., Bash, Python)
• Proactive mindset and strong ownership attitude

• Administer, maintain, and support Oracle database environments to ensure high availability and performance
• Perform database and SQL performance tuning, including query optimization and execution plan analysis
• Design, implement, and manage Oracle database instances in distributed environments
• Monitor database systems, troubleshoot issues, and provide root cause analysis for production incidents
• Support development teams with database-related topics, including performance and data modeling
• Review and contribute to logical and physical data model design
• Implement and maintain backup, recovery, and replication solutions (e.g., Data Guard)
• Ensure database security, integrity, and compliance with internal standards
• Automate routine DBA tasks and improve operational efficiency
• Collaborate with global engineering and DBA teams to define and enforce best practices