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Sandra [email protected] 201-772-7614 Objective To pursue a career as a database administrator (DBA) experienced in Oracle enterprise environment by making a successfully long term contribution to the organization through consistent hard work and commitment. Experience summary An active computer scientist who uses all her skills, creativity, leadership and team work to execute new ideas and projects at the best level. Oracle professional with 7 years of experience as Database Administrator, worked on Oracle 11g performing installation, upgrades, migration, tuning, cloning, space management, data pump, and all types of backups (cold backups, hot backups, RMAN). Expertise in maintaining 24/7 high-availability database applications Experienced in table creation, indexes, tablespaces Managed schemas, objects Managing Database Structure, Storage Allocation, Table/Index segments, Rollback Segments, Undo Segments, and Constraints implemented solutions to Production Server in case of disasters and application errors using Data Guard Good experience handling RAC/ Clustering platform based on Oracle Performed Backups and Data Recovery of large databases Proficient in Cloning and Tuning Oracle Golden Gate to extract and transfer data Experienced in features such as Data Pump and flashback database Installation of AWR, ASM and ADDM Installation of Oracle Enterprise Manager Experienced in installation of Oracle in Linux and Windows Administration and maintenance of Oracle 10g, 11g Worked on Oracle installation, version Up gradation and Migration Patch installation Problem solving techniques with a good understanding of capacity planning and efficient usage of disk space Training on Oracle Golden Gate to extract and transfer data Configuring Enterprise Grid Control Used of BI tools Cognos to create data repositories for reporting and analysis Provided online analytical processing (OLAP) to analyze and compare dimensional data Created interactive dashboards according to the information that was required Participated in design, document and deployment of database Upgrade from 10g R2 to 11g R2 Build 11g R2 RAC from scratch including Linux OS installation Installed11g R2, upgraded and performed Hot Patching New features and enhancements of RMAN, Flashback and logminer Partitioning - system partition, virtual column base partition, reference partition, composite partition and range-range partition Installed and configured 10g/11g Grid Control to setup central alerting system for monitor targets to be proactive to ensure high availability while getting the best performance. Responsible for working with development team to complete releases with proper documentation of rollouts and upgrades Worked in team to support 24/7 Development/Production/test environments. PL/SQL functions Worked on ER Diagrams and Data Flow Diagrams Developed RMAN scripts Unix shell scripts Experienced in performing exports and imports Proficient in expdp and impdp to get more efficient Backups Worked with various security compliances like, SOX, PCI Technical Skills Operating Systems- HP-UX 10.x, 11.x, Sun Solaris 9.0/10.0, AIX 5.1, 5.2, Red Hat Linux RHEL 2.1, 3.x, 4.x and Windows 98/NT/2000/2003. RDBMS- Oracle 11gRAC/10gRAC/10g/9i/8i, SQL Server 2000/2005/2008. Languages- SQL, PL/SQL, Dynamic SQL, C, C++, UNIX Shell Scripting, Perl Script, XML DB Management- TOAD, OEM 9.2 Tools/Utilities- RAC, OEM Grid Control, ESM, SQL Navigator, SQL* Loader, ASM, SQL Server, Export/Import, RMAN, TOAD, Patch Management, Oracle Warehouse Builder, Rational, BI tools (Cognos 9.5.2), Report Studio, Analysis Studio, Business Insight, Clear Quest, SQLNET, ETL, ODBC, Oracle Streams, Shareplex, Data pump, Data Guard, VERITAS Net Backup, VMware Tuning Tools- TKPROF, EXPLAIN PLAN, STATSPACK, ADDM, AWR Database Modeling- Erwin 4.0 Professional Experience Client: NTT Data Edifects (July 13 – Jan 14) Location: Washington D.C. Role: Oracle DBA Responsibilities Good experience in applying Oracle Patches Created users, tables, database links, Performing Exports/Imports Planned Backup/Restoration Strategy, scheduled backups, took logical backups. Worked on database tuning – Tuning Applications, Tuning Memory and Tuning Disk Usage Worked on Migrating BLOB Columns of tables to separate Tablespace which increased the performance Tuned rollback segments, sizing the database for future growth Performed Database monitoring for deadlocked process and maintained logs/backups Used Imp/Exp utilities and Veritas backup system Automated the process/scheduling jobs using DBMS_JOB Wrote scripts for monitoring the database, Configuring SQL* Net Performed tuning the queries using OEM Client: NTT Data Global IT Service Company specialized in systems integration (Aug 11- May 13) Location: Albany, NY Role: Oracle DBA Responsibilities Involved in production and development of databases running 24/7 Performed database maintenance Worked on performance tuning and cloning Responsible for scheduling backups Patch installation to existing databases Configured Real Application Cluster (RAC) by using Oracle Experience in Data Pump and flashback Database Collected and stored database statistics using Automatic Workload Repository (AWR) Experience in managing Automatic Storage Management (ASM) Monitored and diagnosed the system with Automatic Database Diagnostic Monitor (ADDM) Performed RMAN Backups Worked with indexes (bitmap) Installing Oracle 11g database Experience in creating Storage System Layout for a new database Setting up Automatic Storage Management (ASM) Performed Migration from 10g to 11g Refresh schema-using Export/Import. Created table spaces, tables, indexes, setting privileges and user logins Performed Hot and Cold Backups Used Oracle 10g features like Datapump and Flashback Shell scripts to proactively monitor the database Diagnose and troubleshoot database problems and failures Implemented security by managing user privileges Developed RMAN scripts Client: JP Morgan Chase Global Financial Services Firm with investment, banking, research and technology (Apr 09 – May 11) Location: Columbus, OH Role: Oracle DBA Responsibilities Created table spaces, tables, indexes, partition, set privileges and user logins Worked on the physical and logical design of the database which includes distribution of data-files on different disk Worked extensively on Performance Tuning, Memory (SGA) Tuning worked on database Cloning to make production instance available for testing Defined and implemented adequate database backups Performed full database Backup in RMAN Performed recovery using RMAN and implemented Point Time Recovery Experience Migration of database from Oracle 10g to Oracle 11g Made improvements to the database to increase performance by partitioned tables Refreshed schema using Import/Export Performed Roll back segments on not committed data Worked with Expdp and Impdp to provide more efficient backup Implemented Automatic Storage Management as storage for database Performed AWR and ADDM to monitored database health Set up, configured and maintained Data Guard to ensure disaster recovery Involved in Oracle database Capacity planning and Sizing Used Flashback Databases for faster recovery Partitioned large tables to improve performance Developed shell scripts to automate backups Configured oracle grid control system and enterprise manager for database diagnostic and monitoring Analysis and Management of Oracle problems / defects using Metalink Allocated the separate Rollback segments for the batch processing jobs in order to speed up data processing Monitored availability of system, listener, database and alter log file Managed database structures through Data Dictionary Sizing and capacity planning for database Applied critical patch updates Switch over databases every six months Diagnose and troubleshoot database problems and failures Client: Saber Corp. Developer of software packages available for health and human services agencies; includes details on products, manuals, and support. (Mar 08 – Dec 08) Location: Salem, OR Role: Oracle Developer Responsibilities: Installed and configured oracle database Responsible for requirement analysis, design, document and support of Oracle RAC databases Configuring high availability by creating Real Application Cluster (RAC) by using Oracle Cluster Ready Services (CRS) and Data Guard environments for recovery in case of disaster Configured Enterprise Grid Control Created data repositories for reporting and analysis using BI tools Analyzed and compared dimensional data using (OLAP) Created interactive dashboards and reports using Business Insight Managed business related metadata to create reports Used Oracle PL/SQL functions for transformation and loading of data into tables Backup and restore using RMAN utility Oracle performance Tuning Applied patches to database Database design using Erwin Expdp and Impdp utility for exporting database from 10g to 11g version Worked with developers to optimize SQL queries Implemented Oracle data guard for Disaster Recovery Client: Kaiser Permanente One of the nation’s largest health maintenance organization (May 07 – Feb 08) Location: Chicago, IL Role: Jr. Oracle DBA Responsibilities: Database performance Tuning and Troubleshooting Installing and configuring Oracle Databases RMAN catalog maintenance and database refreshes using RMAN Table Partitioning and space usage Patch installation performed database recovery Unix Shell scripts to monitor database resources, space usage, database growth and Oracle errors Different usage of views to monitor users and database activities Unix shell scripts to monitor database Logon triggers to enable tracing and auditing Training on Oracle Golden Gate to extract and transfer data Troubleshooting database problems SQL database design recommendations Database space management Installed and configured Oracle Management Server (OMS) for database monitoring Installed cloud management using oracle enterprise manager (OEM) Client: Deloitte American Audit Firm (Jan 06 – Feb 07) Location: Arlington, VA Role: Oracle DBA Responsibilities Responsible for Installing Oracle 10g and testing Worked on Data Warehouse team and then worked with RAC group based on Oracle 10g Refreshed the database from production environment for testing purposes Real Application Cluster maintenance and troubleshoot performance problems Performed day to day database administration tasks like table spaces, user creation and monitoring disk usage Reorganized data files, identification and elimination of contention factors Performed database administration activities like user management and schema management Scheduled jobs through Oracle Job Scheduler Performed logical backups of database, schemas and tables using Export/Import Performed database Tuning and Disk Tuning Monitored the database to increase the performance (ASH) Performed Automatic Workload Repository Maintain Oracle Data Guard for disaster recovery Sizing the database for future growth Provided Imp/Exp using Data Pump Implemented hot, cold and logical backup plans Coordinated backups, rescheduling, maintenance and Disaster Recovery Good experience in RMAN backups Data modeling, Database design and Creation Involved in capacity planning of storage parameters Acquired knowledge in table partition CESA Cerraduras Ecuatorianas internship in computer science (July 05- Sep 05) Managing invoices Generating payrolls for employees Worked closed to DBA o Learnt export/import of datafiles o Learnt concept of controlfiles, datafiles and redo log files o Learnt to resize a database o Privileges, user management, profiling and authentication o Created table spaces, tables, indexes, user log ins and privileges (testing purpose)