Senior Database Administrator Consultant

GFT Poland is hiring for a Senior Database Administrator Consultant role based in Kraków, Poland. The position involves supporting mission-critical Linux-based platforms within enterprise infrastructure, including systems such as IBM Sterling File Gateway, IBM Connect:Direct, and BMC Control-M in a high-availability environment.

• 5+ years of experience as DBA in production environments
• Strong knowledge of Linux RHEL
• Hands-on experience with Oracle, PostgreSQL, and MS SQL
• Experience supporting mission-critical systems
• Strong troubleshooting skills under pressure
• Experience with backup and recovery
• Experience with replication and high availability solutions
• Experience in performance tuning
• Experience with log analysis
• Openness to work hybrid from client office 6 days a month

Nice to have:

• Shell scripting or basic automation skills
• Experience with IBM Sterling File Gateway
• Experience with IBM Connect Direct
• Experience with BMC Control-M
• Experience in financial services or regulated environments
• Experience supporting batch or file transfer platforms

• Install, configure, and maintain Oracle, PostgreSQL, and MS SQL databases
• Perform database patching, upgrades, and lifecycle management
• Execute backup, restore, and recovery validation procedures
• Troubleshoot and tune database performance issues
• Manage database capacity planning and optimization
• Analyze and resolve production incidents related to databases
• Contribute to root cause analysis for incidents
• Perform log analysis on database and Linux levels
• Stabilize systems after releases and changes
• Participate in major incident bridges
• Collaborate with Linux and application teams
• Troubleshoot interactions between database, application, and OS layers
• Validate database health and availability
• Execute production changes during maintenance windows including weekends
• Perform pre and post change validations
• Provide risk assessment input for database changes
• Participate in on-call rota and out-of-hours support