Sr Oracle Dba Resume
5.00/5 (Submit Your Rating)
Chicago, IL
SUMMARY:
- Having 12+yrs of professional experience in Oracle database design, implementation, administration and supporting in various cross domains like Banking, Automobile and Transportation.
- Done with Oracle 9i and 10g certifications.
- Having hands on experience in requirements gathering, business design, technical design, development, testing, implementation and writing reliable and efficient code in Oracle.
- Hands on experience in installation and implementation of ORACLE 12c/11g/10g/9i databases and RAC and OEM for High Availability and Disaster Recovery purposes in Production, QA/Test and Dev environments.
- Experience in managing Oracle databases running on Windows - NT Servers 2012/2016, Unix and Linux servers, like Sun Solaris, HP-UX, IBM- AIX and RHEL.
- Good experience RAC Cluster ware administration, Configuration and Patching.
- Having experience in configuring and implementing ASM and proficiency in using ASMCMD and ASMLIB.
- Hands on experience in Golden Gate Installations, configurations and replications
- Experience in Performance Tuning using EXPLAIN PLAN, SQLTRACE, TKPROF, STATSPACK, AWR and ADDM.
- Hands on experience in Database Backups RMAN (Full/Incremental backups) and Hot/Cold backups.
- Experience in LOGICAL BACKUPS and Database migration tools with DATA PUMP, Export/Import and Transportable Tablespaces, and Cloning/Refreshes done.
- Havin an experience in writing/editing UNIX Shell Scripts and Cron Jobs.
- Expertise in Patching and Upgrading Oracle Development and Production databases from 8i to 9i, 9i to 10g & 11g, 10g to 11g and 11g to 12c.
- Involved in database performance monitoring and fine tuning, including advanced skills in the effective use of database tools such as Query Analyzer.
- Hands on writing of SQL, PL/SQL DML, DDL statements, Stored Procedures, Functions, Cursors and Triggers and fine tuning of queries.
- Hands on experience in Daily operational activities such as backups/restores, application troubleshooting, log monitoring.
- Working with other Technology Team members, Networking, Tech Support and Application Development teams for any network plans, trouble-shooting, implementations and changes on the database servers and Daily Operation activities.
- Involved in establishing standards, procedures to ensure data integrity and security and design/implement backup and recovery solutions.
- Ability to work collaboratively with team members to achieve common goals, while maintaining responsibilities and commitments.
- Strong debugging and problem-solving skills with excellent understanding of system development methodologies, techniques and tools.
- Ability to quickly learn new concepts and possess good Interpersonal skills.
- Committed individual with proven ability to learn fast and work well under pressure.
TECHNICAL SKILLS:
- Oracle 9i 10g 11g 12c installations and upgradations
- Oracle Enterprise Manager (OEM)
- Database Configuration Assistant (DBCA)
- Database Upgrade Assistant (DBUA) / Metal ink
- UNIX/Linux Shell Scripting & PL/SQL
- SQL*Plus / SQL Developer
- AWR / ADDM Report Analysis
- Exports and Imports
- Hot and Cold backups
- RMAN backups
- Real Application cluster (RAC)
- Oracle Golden Gate
- Toad, Putty, Remedy, Cloud, Notepad++, DB Scrub, ServiceNow
PROFESSIONAL EXPERIENCE:
Confidential, Chicago IL
Sr Oracle DBA
Responsibilities:
- Provided database related services to development & QA environments.
- Installation of Oracle 11g, 12c databases in production, development and test environments depending on project requirements.
- Maintaining and scheduling Cold Backups, Hot Backups, and Export Dumps.
- Maintaining backups of Archive logs and automating cleaning of archive logs.
- Responsible in configuring and backing up database using RMAN.
- Successfully implemented physical standby database using Oracle Data Guard and Active Data guard feature for High availability.
- Improving current architecture, design, delivery and support model, and helping in related areas.
- Good experience in Oracle database replication using Oracle Golden Gate and Golden Gate management and maintenance.
- Database monitoring and performance tuning using OEM (Oracle Enterprise Manager) and STATSPACK.
- Doing the regular activities like monitoring the alert logs, redo log status, listener. Log and checking the space for normal segments, rollback segments and tablespaces.
- Planned database backups (operating system, full/partial backups, and export/import) using various types of backups and designed the backup methodology for the organization.
- Experienced in performing Point-in-Time Recovery
- Responsible for Maintenance and Support of multi-terabyte databases in production, testing and development environments.
- Designs, implements, and maintains data replication and consistency solutions.
- Optimization and tuning SQL queries using TRACE FILE, TKPROF, EXPLAIN PLAN.
- Continuous monitoring of database performance during peak and non-peak loads using STATSPACK.
- Architecting Oracle Fail safe environments for site critical databases, including configurations, failover testing, tuning, creating standards etc.
- Develop strategy for designing architecture.
- Wrote PL/SQL scripts to create database objects like tables, views and sequences.
- Performed logical backups using Export/Import and Data Pump
- Created Oracle Users, Roles and Profiles, Privilege management with role-based security.
Environment: Oracle 12c/11g/10g/9i, TOAD, PL/SQL, OLTP, OLAP, Golden Gate, Oracle Applications E-business Suite 12i, SQL*Plus, SQL*Loader, HPOV, DBArtisian, Sql Developer, OEM, Putty, F-secure, AWR, RMAN, UNIX Shell Scripting, UNIX, PL/SQL Developer
Confidential
Sr Oracle DBA
Responsibilities:
- The project was developing a web-based application that handles insurance Services offered to Individual consumers. This application enables customer’s right from creating a quote to purchasing insurance and managing an account online.
- Installed and configured Oracle Enterprise Manager 10G/11G Grid Control for Enterprise.
- Configured and managed physical standby database using Data Guard for disaster recovery on a different node for different production servers.
- Performed Data Guard switchover/failover as per the requirements.
- Created monitoring scripts to send alerts in case standby is out of sync.
- Configuring and Managing two nodes UNIX RAC environment for high availability, highly busy databases.
- Worked in Oracle 10g/11g RAC environment and troubleshooting for RAC issues.
- Worked on RAC/ASM interconnect issue.
- Worked with Developers and change management team to ensure smooth life cycle progress from development through testing and production implementation.
- Provided 24/7 production support for infrastructure and performance areas.
- Performed the migration and Upgradation of Oracle databases by using Import/Exports, Oracle Data Pumps and Transportable Tablespaces.
- Day to day troubleshooting like adding space in data files, rebuilding indexes, check alert log file and monitoring of system.
- Cloned databases on same node and also on different server nodes using custom shell script with hot and cold backups of source database.
- Upgraded and patched Oracle binaries in the development environment and production environment.
- Upgraded Oracle from 11.2.0.1 to 11.2.0.3.
- Performed load testing on pre-production multisite database servers.
- Coding and optimizing objects for data access.
- Responsible for setting up production, development, performance and staging database environments.
- Reorganized existing database to standardize the placement of various databases related files.
- Managed logical/physical backups for these databases depending on the nature of database set up either full export, partial export or export of just the structure of schema objects.
- Monitored and audited database access for unauthorized access.
- Work as part of team and provide 24x7 supports when required.
- Do general technical trouble shooting and give consultation to development teams.
- Have Applied Patches to existing versions.
- Created tablespaces and managed tablespaces adding/deleting/ resizing data files.
- Utilized SQL Loader ETL to perform bulk data loads into database tables from external data files.
- Use of Crontab, DBMS JOBS to automate the monitoring jobs.
Environment : Oracle 10g/11g, Sun Solaris, AIX, TOAD, OEM, ADDM/AWR, SQL, RMAN, OEM12c, SQL Loader, ERWIN Data Modeller, Dell Shareplex, Reflection X, Humming Bird Exceed.
Confidential
Database Administrator
Responsibilities:
- Hands on experience in requirements gathering, business design, technical design, development, testing, implementation and writing reliable and efficient code, queries, triggers and scripting in Oracle.
- Managing and supporting the 50+ Oracle databases.
- Managing table spaces, data files, redo logs, tables and its segments.
- Maintaining data integrity also managing profiles, resources and password security.
- Created User accounts, Roles and granting required access permissions and privileges to the users.
- Used Data pump to take the logical backups of databases.
- Installation of Oracle software and patches.
- Hands on experience in Database migrations/upgrades from lower versions higher versions like 9i to 10g and 10g to 11g.
- Responsible in configuring and backing up database using RMAN, Hot backups, Cold backups and Logical backups
- Performed Data Guard switchover/failover as per the client requirements.
- Tuning SQL statement against database and its objects.
- Implemented and Installed Baseline Housekeeping and Monitoring scripts.
- Cloning of the test and development databases from the Production Environment.
- Taking Export and Import on Client request for tables, tablespaces and full database.
- Responsible in configuring and backing up database using RMAN, Hot backups, Cold backups and Logical backups.
- Solved High Priority (sev1 and sev2) problems in co-ordination with different teams to ensure less impact to the business.
- Involved in RAC implementation and Unix shell scripting to run the DB operational tasks
- Involved in production support as part of 24x7 rotation basis and technical database support.
- As a Lead helped team members to resolve technical issues and participated in day to day activities and monitoring and metrics.
- DB2 configurations, installations and schema implementations and password management.
- Fine tuning oracle procedures and functions using PL/SQL and automations using Unix Shell scripts.
Confidential
Database Administrator
Responsibilities:
- Managing and supporting the 50+ Oracle databases.
- Managing table spaces, data files, redo logs, tables and its segments.
- Partitioning and re-organization of table and indexes.
- Maintaining data integrity also managing profiles, resources and password security.
- Managing Users, Privileges and Roles.
- Installation of Oracle software and patches.
- Hands on experience in Database migrations from lower versions to higher versions like 8i to 9i and 9i to 10g.
- Upgrading the Database from lower version to higher version.
- Tuning SQL statement against database and its objects using PL/SQL.
- Implemented and Installed Baseline Housekeeping and Monitoring scripts.
- Cloning of the test and development databases from the Production Environment.
- Taking Export and Import on Client request for tables, tablespaces and full database.
- Solved High Priority (sev1 and sev2) problems in co-ordination with different teams to ensure less impact to the business.
- Prepared Operational level run books, High and low-level architecture diagrams and implement best practices for the database environments.
- I was part of the team and provide 24x7 technical database support.
- Building installation or deployment scripts using Unix Shell, PowerShell, Python.
- Participated in cloud management and configurations.