Oracle DBA with DB expertise

Oracle DBA With DB ExpertiseLocation: Minneapolis, MN FTE OnlyWe are seeking an experienced Oracle Database Administrator to manage and optimize our enterprise database infrastructure. The ideal candidate will have deep expertise in Oracle database administration, complemented by working knowledge of IBM DB2, MongoDB, and Sybase to support our heterogeneous database environment. This role requires strong technical skills, performance tuning expertise, and a proactive approach to database management.Experience7+ years of hands-on Oracle DBA experience in enterprise production environments2+ years of experience with at least two of: DB2, MongoDB, SybaseExperience managing mission-critical databases supporting 24/7 operationsExperience with database migrations and consolidation projectsTechnical SkillsOracle Database (Expert Level):Versions: Oracle 11g, 12c, 19c, 21c (11g/12c legacy support, 19c/21c primary)High Availability: RAC (11g/12c/19c), Data Guard (Physical/Logical), Active Data Guard, GoldenGateBackup & Recovery: RMAN (expert), Flashback technologies, PITR, Incremental backupsPerformance Tuning: AWR, ADDM, ASH, SQL Tuning Advisor, SQL Plan Management, Execution PlansPL/SQL: Advanced PL/SQL programming, stored procedures, packages, triggersArchitecture: Multitenant (CDB/PDB), ASM, Grid Infrastructure, Oracle Net ServicesSecurity: TDE, Database Vault, Label Security, Advanced Security, Audit VaultPartitioning: Range, List, Hash, Composite partitioning strategiesEnterprise Manager: OEM Cloud Control 13c, monitoring, patching, provisioningExadata: Experience with Oracle Exadata Database Machine (preferred)Cloud: Oracle Cloud Infrastructure (OCI), Oracle Autonomous Database (preferred)IBM DB2 (Intermediate Level):DB2 for Linux/Unix/Windows (v10.5, v11.x)DB2 HADR configuration and managementDB2 backup and recovery (BACKUP, RESTORE, ROLLFORWARD)DB2 performance monitoring (db2top, db2pd, snapshot monitoring)DB2 RUNSTATS, REORG, and maintenanceDB2 SQL optimization and explain plansDB2 connection management and troubleshootingDB2 BLU Acceleration (columnar storage) awarenessDB2 pureScale (basic knowledge)MongoDB (Working Knowledge):MongoDB 4.x, 5.x, 6.x, 7.x deployment and configurationReplica sets and sharding architectureMongoDB backup strategies (mongodump, Ops Manager, Atlas Backup)MongoDB performance monitoring and optimizationMongoDB indexing strategiesDocument-oriented data modelingMongoDB aggregation frameworkMongoDB security (authentication, authorization, encryption at rest/in transit)MongoDB Compass and monitoring toolsMongoDB Atlas (cloud) basic knowledgeSybase ASE (Basic Level):Sybase ASE 15.x, 16.