Senior Oracle Database Engineer Oracle Warsaw, Łódź, Gdańsk, Gdynia

As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for:

Responsibilities:

• Manage and maintain Oracle Database environments (12c–19c), including RAC, ASM, Data Guard, and GoldenGate
• Prepare and configure pre-production environments for Fast-Start Failover (FSFO) implementation
• Monitor, troubleshoot, and resolve Data Guard synchronization and replication issues
• Rebuild standby databases when required and ensure high availability across environments
• Create and validate database and PDB-level services
• Provision new databases and support migration of legacy PDBs to new container databases
• Activate, test, and support FSFO configurations, including observer management and failover scenarios
• Perform database patching and upgrade activities
• Execute switchover and failover testing in pre-production environments
• Support Oracle RAC environments and disaster recovery processes
• Configure and maintain Oracle GoldenGate Microservices and Oracle Enterprise Manager (OEM)
• Implement production changes and provide post-deployment support
• Perform Linux/Unix administration tasks related to database operations and performance optimization
• Participate in incident, problem, and change management processes
• Troubleshoot critical production issues and implement rollback or recovery plans when necessary
• Manage Oracle Service Requests (SRs) and collaborate with Oracle Support when required

Requirements:

• 10+ years of hands-on experience administering Oracle Databases in enterprise production environments
• Strong expertise in Oracle Database 12c–19c, including RAC, ASM, and Data Guard
• Extensive experience with Oracle high-availability and disaster recovery solutions
• Strong knowledge of Oracle management tools, including RMAN, Data Pump, Data Guard, OEM, and GoldenGate
• Solid Linux administration skills and understanding of operating system-level processes
• Experience managing and troubleshooting FSFO environments and observer configurations
• Strong understanding of Oracle RAC architecture and performance optimization
• Knowledge of storage technologies supporting enterprise database environments
• Experience with database provisioning, migration, and patch management activities
• Practical understanding of change management, incident management, and production support processes
• Experience handling Oracle Support Service Requests (SRs)
• Strong analytical and problem-solving skills with the ability to work independently and collaboratively
• Excellent attention to detail and ownership mindset
• Fluency in English (both written and spoken)

Offer:

• Private medical care
• Co-financing for the sports card
• Constant support of dedicated consultant

Personal Consulting Agency (License No. 4642)