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Senior Oracle Database Administrator Resume

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Dallas, TX

SUMMARY:

  • Over 10 years of experience as an Oracle DBA at Confidential
  • Support 2000+ Oracle database systems and ensure they operate at their optimum
  • Create and implement complete life cycle servers and databases from development to production/disaster recovery in an ‘Agile’ environment model
  • Collaborate with Project Managers, SAs, Network team, GNOC, application developers, priority issues, and root cause analysis
  • Implement security, audit, and backup/restore procedures to ensure database integrity
  • Facilitate numerous sustainable resilience tests like switchover, failovers, HADR environments
  • Superior analytical and problem solving skills, communication, presentation

TECHNICAL SKILLS:

Databases: Oracle 9i, 10g, 11g, 12c

Platform OS: Unix, RHEL 5/6, IBM - AIX 5, Solaris, Windows 2003/NT/XP/2007

Oracle Utilites: OEM Grid, Toad, Embarcadero DBArtisan, Geneos, CA Workload Autosys, Datapump(expdp/impdp), RMAN(restore/recover), DBMS data dictionaries, Tivoli, Winscp

Data Modeling Utilites: ERwin r7, ER Studio

Language: PL/SQL, Unix, Linux, C++, Shell script

Backup: Netbackup, TSM, Veritas, SAN, DISK, RAC clusters

PROFESSIONAL EXPERIENCES:

Confidential, Dallas, TX

Senior Oracle Database Administrator

Responsibilities:

  • Collaborated on Oracle 9i/10g/11g/12c logical and physical database design, implementation, and maintenance on Unix/Linux/Solaris platforms
  • 24/7 on-call Production Support most of which are high visibility databases (high transaction OLTP, data warehouse, ETL)
  • Support 2000+ databases with databases ranging up to 70TB size
  • Support numerous 3 to 4 node RAC holding multiple instances with High Availability
  • Execute and monitor monthly ETL process for OLAP environments
  • “Follow the Sun” model in which working with Asia and Europe is critical for supporting 24/7 business needs
  • Responsible for buildout and testing of Oracle lifecycle Dev-QA-UAT-PERF-PROD-DR
  • Proficient in 12c OEM grid for everyday maintenance and performance tuning
  • Performance tuning on AD’s queries using various methods and utilities: AWR, ADDM, explain plan, OS Watcher, Advisor Central from OEM Grid, sqlrpt
  • Work in ‘Agile’ environment model where strict deadlines and quick, smart decisions are required
  • Create new databases and users: ensure Oracle instance parameters are properly set; control access permission and privileges are properly seen on assigned DDLs
  • Ensure backups (lvl1,lvl0, archive jobs) and other monitoring scripts (analyze stats, filesystem cleanup jobs) are running properly, and recovery plans are in place
  • Golden Gate replication extract/replicat experience on 11g databases
  • Implemented tech refreshes using datapump for schema refreshes or using RMAN depending on size and space of the server
  • Ensure DR physical standby database is always in sync with PROD and everyday health checks by creating reports in OEM
  • Exercise disaster recovery tests for multiple databases using dgmgrl or sqlplus for switchovers, failovers, flashback, SRDF
  • Installed Oracle 9i,10g/11g Database Software and Agents via dbca, Oracle Universal Installer, silent installation (response file)
  • Involved in database upgrades/migration (10g to 11g) & patching (PSU) in 2-4 node RAC environments; support Operating System upgrade; open Oracle SR and metalink as needed
Confidential

Data Modeler

Responsibilities:

  • Conduct data model reviews with business and project managers
  • Develop foundational understanding of DDL objects like tables, primary/foreign keys, views, synonyms, indexes all diagramed out on ERwin
  • Use ERwin r7 software for visual model management design
  • Knowledge and understanding in the work environment consisting of Business analysts, Production Support teams, Subject Matter Experts, DBAs and ADs

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