Senior Oracle Database Administrator

OPTIVEUM sp. z o.o.•Capon Bridge, WV

11h•PLN 140 - PLN 160•Hybrid

About The Position

We are looking for a highly independent, problem-solving Senior DBA with a decade of experience. You will take charge of enabling new features across the client's environments, handling everything from implementation and integrity testing to post-rollout troubleshooting and immediate rollback execution for mission-critical systems. The Client is a major enterprise in the banking industry, and you will be joining their core continuous service project to ensure the high availability, integrity, and performance of business-critical, Oracle-based applications.

Requirements

10+ years of experience managing Oracle Databases (12c to 19c), heavily focused on RAC and Data Guard.
Deep, hands-on experience in a production RAC (ASM) 19c environment.
Mastery of Oracle management tools (Data Guard, RMAN, Data Pump), Oracle GoldenGate (OGG Microservices, downstream databases), and OEM architecture.
Solid Linux/Unix OS experience (managing processes, load, daemons) and a good understanding of storage.
Strong background in FSFO (Fast-Start Failover) problem solving, observers, and handling various Data Guard / RAC Disaster Recovery issues.
Familiarity with Change and Incident management, Oracle SR handling, and architecture design principles.
Fluent English is mandatory.

Responsibilities

Preparing prePROD environments to enable FSFO, executing Switchover/Failover tests, and troubleshooting FSFO issues.
Handling all Data Guard operations: syncing, resolving errors, and rebuilding standbys as needed.
Managing databases at the PDB/CDB level: creating new DBs, migrating old PDBs to new containers, and handling service validation.
Setting up and managing Oracle GoldenGate (OGG) Microservices and OEM.
Executing DB-level patching and necessary OS-level tweaks.
Rolling out changes to PROD, providing post-change support, and executing immediate rollback plans for business-critical databases if an implementation fails.