Download Technical Skills

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).
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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
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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
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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
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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
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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
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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
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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:
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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
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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:
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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
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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
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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)
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Managing invoices
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Generating payrolls for employees
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Worked closed to DBA
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Learnt export/import of datafiles
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Learnt concept of controlfiles, datafiles and redo log files
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Learnt to resize a database
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Privileges, user management, profiling and authentication
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Created table spaces, tables, indexes, user log ins and privileges (testing
purpose)