Sr. Oracle Database Administrator Resume
East Windsor, NJ
SUMMARY
- Over 7 years of experience in Oracle Databases as Administrator in Enterprise level Database Administration, Management and Operations.
- Extensive experience in Installing, Designing and Managing Oracle 12c, ExaData, 11g RAC/10g RAC/9i/8i Databases on Windows, UNIX (HP - UX, IBM AIX, Sun Solaris),
- Installed/configured Oracle 11g/10g Real Application Clusters (RAC).
- Upgraded databases from Oracle 8i, 9i to 10g and Oracle 10g to 11g,
- Experience in a 24*7 Production Database support role.
- Extensive experience in Backup & Recovery (Hot, Cold, Logical and RMAN Incremental Backups)
- Expert in Performance Monitoring and Tuning of Oracle Databases on Unix/Linux platform using database tuning, SQL TRACE, TKPROF, Explain Plan, STATSPACK, AWR and ADDM.
- Experience in Table, Index Partitions for increased performance and for better storage management.
- Partitioning strategies for very large tables. Partitioned large objects to improve the query performance and manageability.
- Identifying bottlenecks and wait based analysis using Oracle Wait Interface.
- Excellent experience in database cross-platform migration
- Expert in Installation, Configuration and Maintenance of Oracle Standby (Active Data Guard).
- Monitoring databases and setting alerts using Oracle Enterprise Manager/Grid Control
- Experience in database cloning/refresh, tuning, patch
- Good experience in Database Design (Conceptual Design, Logical Database Design, Physical Database Design), setting up the complete Database with Security Implementation, troubleshooting Oracle issues.
- Experience in Writing Shell scripts.
- Experience in Capacity Planning & Benchmarking
- Excellent SQL and PL/SQL programming and debugging skills - Cursors, Functions, Stored Procedures, Packages and Triggers etc.
- Experience with Data Modeling, Logical and Physical database design.
- Excellent experience in managing Very Large Databases (VLDB).
- Experience in replication using Materialized Views, Oracle Streams and Golden Gate.
- Expertise in maintaining Database Security using auditing.
- Expertise in loading data from flat files using external tables, SQL*Loader.
- Proven ability to adapt to demanding schedules and changing priorities.
- Excellent analytical, interpersonal and communication skills.
- Able to work independently and collaboratively in Team environment.
TECHNICAL SKILLS
Database: Oracle 12c, ExaData, 11g RAC, Oracle 10g RAC, Oracle 9i, Oracle 8i, Oracle 7.3, MySQL, SQL Server 2008
Operating System: Sun Solaris 8, 9, 10, HP-UX 10.x, 11.x, AIX 5.1, 5.2, 5.3, 6.1 RedHat Linux 4.x, 5.x, 6.x,Windows 95/98/ME/NT/2003/XP
Languages/Tools: Unix Shell Script, SQL*Plus, PL/SQL, C, C++, OEM/Grid Control/Cloud, Golden Gate, dbconsole, RMAN, AWR, ASM, ADDM, STATSPACK, SQLTRACE, EXPLAIN PLAN, TKPROF, Data Guard, SQL*Loader, OUI, dbca, Logical/ Cold/ Hot backup, Data Pump, SQL*Net, Toad
PROFESSIONAL EXPERIENCE
Confidential, East Windsor, NJ
Sr. Oracle Database Administrator
Responsibilities:
- 24 X 7 Production database administration, support and monitoring to ensure a proactive problem recognition and resolution of database issues
- Installation, Configuration and Maintenance of Oracle 12c, 11g RAC/10g RAC, Standby database (Service Guard) for High Availability and Disaster Recovery
- Database upgrades from Oracle 11g to 12c, 10g to 11g.
- Database migrations from windows to linux
- Worked with EMC on migrating SAN/NAS storage.
- Set up, configured and maintained oracle data guard(primary and standby databases) to ensure disaster recovery, high availability and data protection.
- Worked on migrating VLDB, over 20TB of size.
- Manage users, privileges, profiles, schemas using Grid Control of Oracle Enterprise Manager (OEM).
- Extraction of data from different flat files into Oracle Database using SQL*Loader and automated the process by using Basic Replication materialized views.
- Cloning databases using scripts as well as RMAN.
- Set up backup and recovery procedure using RMAN and setup Autosys jobs.
- Installed and Implemented Backup & Recovery procedures.
- Implemented Hot, Cold and Logical backup plans.
- Created duplicate databases using RMAN duplicate.
- Worked on TSPITR using RMAN.
- Installed and configured bi-directional Golden Gate for High data availability and Operational reporting.
- Created and Configured Data Servers, Physical Schemas, Logical Schemas, Models, Interfaces and Packages.
- Troubleshooting the issues on Oracle Data Integrator establishment and replication setup.
- Applied CPU/PSU patches for oracle database version 11.2.0.3.
- Utilized SQL*loader and data pump import to load data into tables.
- Refresh schema-using Export/Import. Creating the database, tablespaces, tables, indexes, settings privileges and user logins.
- Performance Tuning i.e. Tuning RAC, tuning applications, shared pool, I/O distribution, rollback segments, buffer cache, redo mechanisms
- Performance Tuning use of SQL diagnostic (ADDM, SQL Adviser) and Oracle utilities like AWR.
- Table Partitioning, creating Index Organized tables, Creating Locally managed Tablespaces.
- Worked with Oracle support on different types of ORA-600 errors.
- 24x7 production database support during and after migration, till handoff to the BAU team.
- A self-motivated, responsible and reliable team player with a set of strong technical skills.
- Excellent analytical, interpersonal and communication skills.
- Enthusiasm in learning new technologies.
Environment: Oracle 12c, ExaData, 11g RAC/10g RAC, Sun Solaris, Red Hat Linux, Windows, OEM (Grid Control), RMAN, ASM, Golden Gate, SQL*Loader, Oracle Data guard, Streams, TOAD
Confidential, Holland, MI
Sr. Oracle Database Administrator
Responsibilities:
- 24 X 7 Production database administration, support and monitoring to ensure a proactive problem recognition and resolution of database issues
- Installation, Configuration and Maintenance of Oracle 10g RAC/11g RAC, Standby database (Service Guard) for High Availability and Disaster Recovery
- Upgraded databases from Oracle 8i, 9i to 10g and Oracle 10g to 11g
- Migrated Databases from Linux to HP-UX, Windows to LINUX
- Allocating system storage and planning future storage requirements for the database
- Oracle Grid control installation and configuration for database monitoring
- Oracle RMAN configuration for backups to disk and tape. Implemented Backup & Recovery strategies and performed Disaster & Recovery drills
- Backup & Recovery (Hot, Cold, Logical and RMAN Incremental Backups)
- Planning and implementing Backup and Recovery procedures, scheduling daily backups and performed periodic recovery tests
- Performance Monitoring and Tuning of Oracle Databases on Unix/Linux platform using database tuning, SQL TRACE, TKPROF, Explain Plan, STATSPACK, AWR and ADDM
- Partioned large tables for better performance and manageability
- Installed, Configures and Monitored OEM 12c
- Database Design (Conceptual Design, Logical Database Design, Physical Database Design)
- Capacity Planning & Benchmarking
- Data Loading using SQL*Loader, External Tables. Writing PL/SQL procedures for Extraction Transformation and Loading (ETL) data
- User roles and profile management for enforcing password complexity and securing databases
- Database security and auditing
- Applied CPU patches
- Creating Database objects like (Tables, Indexes, Views, Synonyms, Database Links, Materialized Views, PL/SQL Functions, Procedures, Packages, Triggers etc)
- Refreshing of database from production to development & test environments
- Optimizing the SQL’s for maximum performance EXPLAIN PLAN
- Daily databases Health check monitoring and troubleshooting if required
- Creating SR (Oracle Support request), follow up with Oracle support, running diagnostic scripts and upload output files to oracle support
Environment: Oracle 11g RAC/10g RAC/9i, Sun Solaris, HP-UX, Red Hat Linux, Windows, OEM 12c, RMAN, ASM, SQL*Loader, Oracle Data guard, Streams, Golden Gate, TOAD
Confidential, Minneapolis, MN
Oracle DBA
Responsibilities:
- 24x7 Production database and applications support
- Managing multiple production, development, test databases
- Administering Oracle 9i, 10g, 11g databases
- Setup Oracle10g RAC, 11g RAC
- Setup Standby databases for disaster recovery and reporting
- Upgrade database from 9i to 10g, 9i & 10g databases to 11g
- Cloned/Refreshed databases from production database to test and development
- Creating database objects like Tables, Indexes, views, Materialized Views and synonyms
- Adding tablespaces, data files to the databases
- Performing Hot Backup, Cold Backup, RMAN Incremental Backups, Maintaining High database availability for supporting non-stop Business Operations
- Implement and Maintain Database Security. Creating / Altering / Dropping Users as and when required and administer their respective quotas
- Monitoring the status of databases, logs, archived redo logs etc
- Oracle User creation and Responsibility assignment
- Object maintenance e.g. Storage Parameters and rebuilding indexes
- UNIX Shell scripting for the automation of backups, cloning/refresh, monitoring file system utilizations, status of various oracle and UNIX processes etc
- Performance Monitoring and Tuning of Oracle Databases on Unix/Linux platform using database tuning, SQL TRACE, TKPROF, Explain Plan, STATSPACK, AWR and ADDM
- Partioned large tables for better performance and manageability
- Writing PL/SQL procedures for Extraction Transformation and Loading of data
- Setup monitoring OEM/Grid Control
- Applied CPU patches
- Creating Database objects like (Tables, Indexes, Views, Synonyms, Database Links, Materialized Views, PL/SQL Functions, Procedures, Packages, Triggers etc)
Environment: Oracle 11g RAC/10g RAC/9i/8i, HP-UX, IBM AIX, RedHat Linux, Windows, OEM (Grid Control), RMAN, ASM, SQL*Loader, Oracle Data guard, Streams, TOAD
Confidential, Honolulu, HI
Oracle DBA
Responsibilities:
- 24x7 Production database and applications support
- Managing multiple production, development, test databases
- Administering Oracle 9i, 10g, 11g databases
- Allocating system storage and planning future storage requirements for the database
- Oracle Data Guard (physical/logical) configuration for data replication and disaster recovery
- Oracle RMAN configuration for backups to disk and tape.
- Implemented Backup & Recovery strategies and Understanding of Disaster & Recovery Scenarios.
- Performed complete and incomplete recovery using RMAN
- Worked on database migrations, upgradations and applying CPU/PSU and interim patches
- Performance improvements by SGA tuning and SQL query tuning
- User roles and profile management for enforcing password complexity and securing databases
- Database auditing configuration for create session and failed login attempts
- Creating Database objects like (Tables, views, indexes, synonyms, procedures, triggers etc)
- Refreshing of database from production to development & test environments
- Optimizing the SQL’s for maximum performance by using SQL TRACE, TKPROF, EXPLAIN PLAN, STATSPACK, AWR, ADDM
- Daily databases Health check monitoring and troubleshooting if required
- Raising SR (Oracle Support request) and follow up with Oracle support and running diagnostic scripts and upload output files to SR support
- Creating Database Links
- Installed and configured OEM Agents on multiple servers and implemented standard monitoring and alerting procedures
- Worked with the development team for deploying application code patches and builds during implementation work
Environment: Oracle 11g/10g RAC/9i/8i, Sun Solaris, Red Hat Linux, Windows, OEM (Grid Control), RMAN, ASM, SQL*Loader, Oracle Data guard
Confidential
Oracle DBA/Developer
Responsibilities:
- Installation, configuration, and maintenance of Oracle Databases
- Having extensive experience with Unix Shell Scripting for application development. Done application functionality automation using Shell Scripts
- Responsible for all production user management issues and Network configuration issues
- Converting flat files, non-Oracle files which come from Mainframes systems into Oracle database by using SQL*Loader
- Managing table spaces, data files, redo logs, tables and its segments
- Writing SQL, PL/SQL Coding database triggers, packages, stored procedures & functions
- Managing Users, Privileges and Roles and taking hot backup of the databases
- Monitoring and Reorganizing Table spaces/Tables/Indexes
- Taking care of performance related issues by tuning memory as well as application tuning
- Create and Maintain Roles and assign necessary privileges to users according to business rules in development environments
- Optimization & Analyzing SQL queries for better Performance
- Load data using SQL*Loader
- Coordination with developers in designing complex queries
- Help users in creating database objects, and enrolling users
Environment: Oracle 10g/9i/8i/7.3, Sun Solaris, Red Hat Linux, Windows, OEM (Grid Control), RMAN