Oracle Dba Resume
Irving, TX
PROFESSIONAL SUMMARY:
- Over 7 years of experience as an Oracle Database Administrator
- Build and Administered RAC.
- Build Physical Standby Data Guard.
- Build Cloud RAC databases
- Set up unidirectional Oracle Golden gate
- Familiar with oracle Exadata.
- Expert knowledge in SQL
- Worked on active Data guard.
- Refresh Databases using Data Pump
- Expertise in cloning databases using different methods
- Good Unix Administrative Knowledge
- Expert Linux Administration knowledge
- Good knowledge of RAID configuration.
- Build and manage ASM Volumes.
- Worked on Data Guard snapshot databases
- Worked on Performance tuning
- Worked on Capacity planning
- Experience in tablespace and user management.
- Worked on yearly DR testing
- Extensive work on shell scripting
- Familiar with PL/SQL
- Worked with Oracle in troubleshooting performance and other issues
- Providing 24/7 production support for critical production databases.
- Excellent analytical, problem solving, communication and interpersonal skills.
- Strong Problem analysis and resolution skills.
TECHNICAL SKILLS:
OPERATING SYSTEM: RHEL,Solaris, Windows, HPUX, AIX
DATABASES: Oracle 9i/10g/11/12c, SQL Server 2005, 2008
LANGUAGES: SQL, PL/SQL, Unix Shell Scripting
DOCUMENTATION TOOLS: Microsoft SharePoint, Wiki, Google Docs
TOOLS: /UTILITIES: RAC, RMAN, Data Guard, SQL, TOAD, SQL Developer, SQL*Loader, Data Pump, Export, Import, RMAN, Erwin, OEM, RAC, Data Guard, ASM, ASH, AWR, ADDM, Grid Control, Cloud Control, GoldenGate
PROFESSIONAL EXPERIENCE:
Confidential, Irving, TX
Oracle DBA
Responsibilities:
- Installing, upgrading and maintaining Oracle 10g/11g/12c on AIX and Linux platforms.
- Migrated database to new build database and also migrated physical database to CITI cloud
- Having experience migrating physical database to cloud database.
- Managing and maintenance of Cloud databases such as ORAAS database
- Database refresh and database capacity planning.
- Troubleshooting performance issues on Database level.
- Database Audit and Implementing database security.
- Generating & Analyzing execution plan for high resource intensive SQL and provide new indices information to development team to implement the required indices.
- Configuring OEM DB console.
- Build 12g physical Data Guard.
- Performed DR test by flashback and switchover method.
- Support SAN migration and disk maintenance work on ASM.
- Automated Schema level refresh which executes from crontab.
- Implemented regular Gather Stats Job based on the application requirements to collect histograms.
- Apply database patch PSU on RAC every quarter of the year to make application team up to date.
- Install Oracle wallet certificate on two node RAC database.
- Monitored databases using 12c Cloud control /OEM.
- Database RMAN backup strategy.
- Add 12c cloud control agents.
- Handled all standard database administrative tasks, such as: proactive performance tuning and monitoring, trouble - shooting, back-up and recovery, installations and configurations on an as needed basis.
- Performed automated backups and scheduling using script.
- Created users and grant privileges according to the requirements.
- Creating and managing the database objects such as tables, indexes and views.
- Raised SR and TAR with Oracle Support.
- Performed Import and Export using Oracle Data pump utilities.
- Experienced with space management and Security.
- Good working knowledge of SQL, PL/SQL, and shell scripting.
- Monitor (ADDM), Automatic Workload Repository (AWR) for monitoring database performance.
- 24x7 operational environments.
- Performed administrative maintenance, monitoring on oracle database systems in a global.
- Very good knowledge about CITI Service Now Request and INC creating and CITI systems.
- Worked on many database cloning tasks.
Environment: Oracle 11g /12c RAC, ASM, RHEL, AIX, RMAN, SQL*Plus, SQL, SQL Loader, Oracle OEM, Import/Export Data-pump, Data Guard.
Confidential, Irving, TX
Oracle DBA
Responsibilities:
- Installing, upgrading and maintaining Oracle 10g/11g on Solaris and RHEL platforms.
- Setup Data Guard from scratch
- Migrated Data Center to new Data Center.
- Maintaining databases from all the environments from all pre-production to production which are on RAC and monitoring the Analytics environment using Oracle Streams.
- Extensive work in ORACLE 11g installation, configuration, and upgrading.
- Experience with rolling upgrade to Oracle 11G RAC.
- Performed Cross platform migration using transportable tablespaces and RMAN.
- Performed Import and Export using Oracle Data pump utilities
- Administered and maintained database security policies and procedures. Experience with administration of high-performance and large-scale multi-terabytes databases.
- Handled all standard database administrative tasks, such as: proactive performance tuning and monitoring, trouble-shooting, back-up and recovery, installations and configurations on an as needed basis.
- Add new nodes to RAC 11g Cluster to distribute the load.
- Create, maintain and support Oracle 11g databases and instances
- System Development Life Cycle (SDLC) methodology for designing, analysis, development and implementation.
- Worked with lead DBAs for preparing cluster, configuring, installing Clusterware and Oracle
- Build 2-node and 4-node RAC cluster.
- Worked on EMC SAN with ASM.
- Installation, Configuration, Upgrading, Migration and Maintenance.
- Configure, maintain and deploy the Data Guard and grid control.
- Installing and maintaining Oracle GRID CONTROL
- Troubleshoot performance related issues.
- Design and implement Auditing and other security features for the existing Production systems.
- Worked with system administrators, business analysts in designing and implementing backup and recovery procedures using RMAN, SAN based backups using EMC BCVS
- Raised SR and TAR with Oracle Support.
- Add 12c cloud control agents.
- Backup of database Logical and Physical (hot and cold) procedures and also using RMAN.
- Worked on tuning SQLs to get better performance.
- Restore and Recovery of database in case of database crash, disk/media failure.
- Applying patches and works closely with Oracle to make Application environment up to date.
- Typically involved in database Designing, creation and maintenance.
- Created users and grant privileges according to the requirements.
- Using 12c cloud control to setup jobs and setup alerts.
- Installed uni directional GoldenGate
- Experience in replication using Golden Gate and Materialized Views
- Replication and Extracting data and applying on production database’s using Golden Gate
- Using Enterprise Backup utilities for backup.
- Writing scripts for backup and recovery.
- Used transportable tablespace to migrated database from Windows to Linux
Environment: Oracle 10g/11g RAC, ASM, Red hat Linux 5.x, Solaris, RMAN, SQL*Plus, SQL, SQL*LOADER,Oracle OEM, Import/Export Data-pump, Data Guard.
Confidential, Detroit, MI
Jr. Oracle DBA
Responsibilities:
- 24x7 production support for several mission critical systems which utilize multiple Oracle databases.
- Installation of Oracle 11g RAC Databases includes CRS and Applying Patches.
- Upgrading databases to Oracle 11g from Oracle 10g and 9i.
- System Study & Analysis, Design & Development.
- Created users and roles.
- Used shell scripting for automation of job.
- Migrated databases from Unix to Linux
- Creating and managing the database objects such as tables, indexes and views.
- Manage users, privileges, profiles, schemas using Oracle Enterprise Manager (OEM).
- Installation of ASM into various storage parameters like SAN and NAS.
- Oracle Database capacity planning, space management, storage allocation
- Managed the flashback space and performed recovery of dropped tables and data using flashback recovery
- Setup, configuration and maintenance of Standby Databases for disaster recovery, high availability and data protection.
- Monitoring of tablespaces, indexes, memory and logfiles.
- Monitoring of Listener and TNS names.ora files and storage space for better performance
- Data Refresh in Test and Integration Databases using Transportable Table spaces.
- Worked on Data Replication using Materialized views, Snapshot, Streams.
- Worked on import/export, export datapump/import datapump and SQL- loader.
- Installed and Implemented Backup & Recovery procedures. Implemented Hot, Cold and Logical backup plans.
- Setup backup and recovery procedures using RMAN.
- Migrated from non-ASM instance to ASM instance.
- Configured Streams to capture propagate; apply changes in multiple databases.
- Performed Database and SQL tuning by using various Tools like Statspack, TKPROF, Explain plan, AWR and ADDR.
- Written SQL, PL/SQL programs such as functions, procedures, packages and triggers.
- Database Planning and Designing which involves deciding about Logical Storage Structures and Forecasting Future Expansions
- Configuring database with suitable block size, multiple pools and storage parameters for best performance. Upgrade from Oracle 10g to 11g
- Create, maintain and support Oracle 11g databases and instances
- Automate database administration tasks with Oracle Enterprise Manager 11g Database Control
- Experience on RAC Installation and Administration on Oracle 10g environment
- Optimizing the SQL’s for optimum performance by using TKPROF, EXPLAIN PLAN & TOAD.
- Logical Backup/Restoration strategy of Export and Import.
- Working with Data guard scenarios relating to physical standby databases like Scenario 1: Creating a Physical Standby Database on the Same System Scenario 2: Creating a Physical Standby Database on a Remote Site Scenario 3: Accommodating Physical Changes in the Primary Database
- Security Administration and Creation of Users, Managing their roles and privileges.
- Control user access and ensure database security through privileges and roles in Oracle 11g
- Hands on experience of Oracle Real Application Clusters (RAC)
- Creation and maintenance of high availability databases using many techniques including Data Guard and standby databases. Shell scripting experience.
Environment: s: Oracle 10g, Windows, Linux, SQL Server, SQL *Loader, SQL*Plus, Export, Import, RMAN, Unix Shell Scripts, Oracle Enterprise Manager.