Senior Oracle Database Administrator And Aws Cloud Architect Resume
SUMMARY
- I have 9 plus years of experience as a Database Administrator in Oracle, MySQL, MariaDB, PostgreSQL on UNIX, LINUX,AIX,and Windows Platforms and Have experience for DB2 UDB Database administrator on UNIX, LINUX and Windows Platforms. I am Having good knowledge in Exadata,RAC,Dataguard,RMAN,ASM and performance tuning and implemented 4 Node RAC on Linux/AIX boxes. Having very good knowledge on E - Commerce oracle databases with application on IBM.
- Experienced in Database optimization and developing stored procedures, Triggers, Cursors, Joins, Views, Cursors and SQL on databases: MySQL/Mariadb and Oracle12c,18X,19X.
- Experienced in designing, modeling, developing and support web based projects with responsibilities including analysis, design, development, implementation and maintenance.
- Experienced inPerformance Tuning, Query Optimization, Client/Server Connectivity, and Database Consistency Checks using different Utilities.
- Huge experience in MySQL replication setup and configuration
- Expertise in snapshot, import/export, db optimization with the help ofexplain plan.
- Expertise in database migration fromMyISAM format to Innodb storageengine to increase performance and betterment of integrity constraints.
- Strong Skills with Oracle database administration in Production 24x7, Production and Development environment.
- Handling performance issues, tuning database, backup and recovery, configuring standby Database.Resolving and troubleshooting RAC and ASM issues. Implemented 4 Node RAC and ACTIVE-PASSIVE(one node) RAC on various OS platform(Linux/AIX).
- Monitored for Space and User Management in DB2. Having ving strong knowledge on RAC.
- Experienced inPerformance Tuning, Query Optimization, Client/Server Connectivity, and Database Consistency Checks using different Utilities
- Expertise in database migration fromMyISAM format to Innodb storageengine to increase performance and betterment of integrity constraints.
- Huge experience in MySQL replication setup and configuration.
- Monitoring standby databases and troubleshooting if the DB is not in sync with Primary. Migrated database from standalone to DATAGUIARD.
- Applied Patch on Exadata’s database and grid Homes as like BP,PSU patches..
- Worked with Oracle support team to plan and upgrade/Patch IB switches, Cell Nodes and storages.
- Working and configured Transparent Data Encryption on 12c database and converted non-TDE tablespaces to TDE tablespaces to make more secure on tablespaces.
- Manual Database refresh from production to other development environment and doing thought RMAN DUPLICATE method from prod to dev/test environment.
- Having good knowledge on performance tuning and good exposure to analyze the AWR,ASH,ADDM,SQL-T,TKPROF etc..
- Having good knowledge on SQL Plan baseline management like SQL profile,SQL baseline,SQLT etc..
- Having Good knowledge to troubleshoot performance issue using OSwacther,TFA tool analayzer on RAC/Standalone database.
- Having good exposure on exadata and cell storage and working with oracle support to apply bundle batch on storage cell, Infind Band switch and databases.
- Upgraded database from various lower level version to 11.2.0.4 and 12c and applying PSU patch based on every release from oracle.
- Database refresh from existing database backup and from Legato tape drives.
- Implemented Capacity planning on PROD and NONPROD databases.
- Backup and Recovery Management through tape and physical backup.
- User Management - Managing Profiles and Granting / Revoking privileges, locking / Unlocking the User Accounts.
- Job creation\scheduling\modification\migration using Autosys &TWS job scheduler
- Worked on migration from NON-ASM to ASM and have good knowledge in ASM.
- Migrated standalone to 2 NODE RAC database.
- Worked on Exadata servers and oracle support if any issue on Exadata servers.
- Having good knowledge on performance tuning .Providing fix for various level of performance from Database and application end. Involved query tuning(STS) and worked parameter level changes.
- Trouble shooting backup level issue RAMN and Involved restore activity(INCOMPLETE/COMPLETE) depends upon the scenarios.
- Refreshed database from Production to Development using RMAN backup,Hot backup method and Duplicate method.
- Involved in partition to create monthly and yearly on depends upon the application team requirement.
- Involved backup issue in Sql Server and various level of database activity in sql server.
- Schedule monitoring jobs and perform database maintenance activities such as reorg, runstats and reorgcheck
- Working on application level lock issue using DB2 snapshot.
- Performed restore and recover on various level issues and recovered dropped table using restore option in DB2.
TECHNICAL SKILLS
Oracle Database Administration: Oracle 7i, 8i, 9i, 10g,11g and 12c
DB2 DBA LUW: V8.5,8.7,9.1,9.3,9.5,9.7 and 10.1
SQL SERVER DBA: Sql server 2005,2008 and 2012
Microsoft Azure /AWS cloud: Monitoring database using colud and Sql server MS studio 2017 and having strong knowledge on AWS cloud.
Mysql/Mariadb: Mysql 5.5,5.6,5.7 and 8.0, Mariadb v10.2.X,10.5.X
Application Server: RMS,RPM and weblogic,E-commerce IBM
Hardware: IBM AIX server, Sun Solaris and LinuX Read hat,Hp-Ux,Windows
Networking Technologies: TCP/IP, OSPF, BGP, Cisco, Juniper, FTP, HTTP, DNSDHCP
PROFESSIONAL EXPERIENCE
Senior Oracle Database Administrator and AWS cloud architect
Confidential
Responsibilities:
- Upgrade Oracle database from 11.1.x, 12.2.0.X,12.1.0.X to 18.0.X.X,19.0.X.X
- Lead development team in designing/migrating AWS cloud based solutions
- Knowledge of agile software development practices and release management
- Work with distributed teams to design and develop frameworks, solution accelerators, proofs of concept, and external customer facing products
- Deep expertise in the AWS components & APIs o Expert working knowledge of Operating Systems (Windows and Linux). o Advanced knowledge of databases (SQL Server and MySQL) + Advanced knowledge of relevant web services, mail, backup, and application monitoring
- + Good knowledge of networking fundamentals + Good knowledge of server hardware + Good knowledge of application developments using Agile, and DevOps good practices
- J2EE frameworks (Spring etc) with focus on Data Mutation/ Transformations
- Design, both technically compliant and secure Cloud solutions, as well as value-based, on-demand services to facilitate the effective transition and migration of projects and programs into unique and adaptive cloud environment
- Evaluation/design/development/deployment of additional technologies and automation for managed services on AWS
- Investigate and debug issues in the Database and Services you create and work with QA & Data Analysts to ensure highest quality within the system
- Support the business development lifecycle (Business Development, Capture, Solution Architect next migration path, cost reporting and impartments
- Create and execute a strategy to build mindshare and broad use of AWS within a wide range of customers and partners
- Work with onboarding internal clients
- Solution design for client opportunities in one or more AWS Competencies or general cloud managed services
- Create a lift and shift process model clearly defining the individual steps of the lift and shift process.
- Support third party applications such as PhpPgAdmin to monitor and administer database operations for PostgreSQL
- Backup of PostgreSQL databases using pg dump and restoring from backup.
- Designing database structures, creating indexes, views and partitioning tables for better performance.
- Working on performance tuning based on user request.
- Performed Restore activity due to various level of issue.
- Configuring RMAN backup for new build database
- Worked on schema refresh using Export and import
- Performed for Database refresh using RMAN.
- Resolving performance issues in production and pre-production environment, tuning the queries, creation of indexes, real time monitoring on performance issues.
- Having good exposure on Exadata (X3-2 Quarter Rack) and worked with oracle support to apply Patch/upgrade Infind Band switches/Cell storage.
- Implemented data Gurad and having good knowledge on Physical and logical standby databases
- Worked on exadata setup and having required exposure on storage level and network level.
- Adding Disk to diskgroup and having good exposure on ASM.
- Working and configured Transparent Data Encryption on 12c database and converted non-TDE tablespaces to TDE tablespaces to make more secure on tablespaces
- Having good knowledge on Flashback,Garntee restore point,and FRA
- Build multiple standby database and converted snapshot standby for application testing purpose.
- Installation and implementation of oracle 11g and 12c database in various env.
- Managed HADR setup on DB2 database and perform switchover whenever required.
- Perform regular reorg check and gather stats on tables on DB2 database
- Perform log file rotation and management when log file become full.
- Worked with application team when DB was running slow using DB2 Snapshot/finding lock.
Senior Oracle/Mysql,Mariadb and postgres Database Administrator
Confidential
Responsibilities:
- Upgrade Oracle database from 11.1.x, 12.2.0.X,12.1.0.X to 18.0.X.X,19.0.X.X
- Having strong exposure on performance tuning on OLTP &E-Commerce database.
- Having strong experience to migrated database between data center and higher version.
- Helped setup MySQL replication (Master-slave and Master-Master)
- PostgreSQL and MariaDB installation, configuration, migration, upgrades and patches
- Planning, installation, configuration, management and troubleshooting of MySQL and PostgreSQL databases on Linux.
- Setup, troubleshoot and fix backups and restore data using tools such as mysqldump, Mydumper, MySQL enterprise backup and percona Xtrabackup.
- Support third party applications such as PhpPgAdmin to monitor and administer database operations for PostgreSQL
- Backup of PostgreSQL databases using pg dump and restoring from backup.
- Designing database structures, creating indexes, views and partitioning tables for better performance.
- Working on performance tuning based on user request.
- Performed Restore activity due to various level of issue.
- Configuring RMAN backup for new build database
- Worked on schema refresh using Export and import
- Performed for Database refresh using RMAN.
- Resolving performance issues in production and pre-production environment, tuning the queries, creation of indexes, real time monitoring on performance issues.
- Having good exposure on Exadata (X3-2 Quarter Rack) and worked with oracle support to apply Patch/upgrade Infind Band switches/Cell storage.
- Worked on block level corruption as like physical and logical block corruption.
- Worked on datafile movement between own diskgroup.
- Worked on materialized view issue and Creation and modification of primary database storage structures (table spaces) and primary objects ( tables,views, indexes).
- Implemented 4 node RAC and setup with multiple database .
- Implementation of MySQL stored procedures, triggers and views.
- Implemented data Gurad and having good knowledge on Physical and logical standby databases
- Worked on exadata setup and having required exposure on storage level and network level.
- Adding Disk to diskgroup and having good exposure on ASM.
- Working and configured Transparent Data Encryption on 12c database and converted non-TDE tablespaces to TDE tablespaces to make more secure on tablespaces
- Having good knowledge on Flashback,Garntee restore point,and FRA
- Build multiple standby database and converted snapshot standby for application testing purpose.
- Installation and implementation of oracle 11g and 12c database in various env.
- Managed HADR setup on DB2 database and perform switchover whenever required.
- Perform regular reorg check and gather stats on tables on DB2 database
- Perform log file rotation and management when log file become full.
- Worked with application team when DB was running slow using DB2 Snapshot/finding lock.
- Taking care of backup failure issue
- Handling replication issue between Oracle and sql server
- User creation and grant the required privileges
- Working on FS level issue and DISK level issue.
- Having good skill set on Microsoft Azure database and applied all the new features on Azure databases.
- Managing offshore and onsite team. Taking all the responsibly and leading team with high volume.
Senior Oracle/Exadata Database Administrator &DB2 DBA LUW
Confidential
Responsibilities:
- Upgrade Oracle database from 11.1.x to 12.2.0.X,18.0.X.X,19.0.X.X
- Having strong exposure on performance tuning on OLTP &E-Commerce database.
- Applying PSU and bundle patch on every 3 months.
- Working on performance tuning based on user request.
- Oracle database administration
- Performed Restore activity due to various level of issue.
- Configuring RMAN backup for new build database
- Worked on schema refresh using Export and import
- Performed for Database refresh using RMAN.
- Resolving performance issues in production and pre-production environment, tuning the queries, creation of indexes, real time monitoring on performance issues.
- Having good exposure on Exadata (X3-2 Quarter Rack) and worked with oracle support to apply Patch/upgrade Infind Band switches/Cell storage.
- Worked on block level corruption as like physical and logical block corruption.
- Worked on datafile movement between own diskgroup.
- Worked on materialized view issue and Creation and modification of primary database storage structures (table spaces) and primary objects ( tables,views, indexes).
- Implemented 4 node RAC and setup with multiple database
- Implemented data Gurad and having good knowledge on Physical and logical standby databases
- Worked on exadata setup and having required exposure on storage level and network level.
- Adding Disk to diskgroup and having good exposure on ASM.
- Working and configured Transparent Data Encryption on 12c database and converted non-TDE tablespaces to TDE tablespaces to make more secure on tablespaces
- Having good knowledge on Flashback,Garntee restore point,and FRA
- Build multiple standby database and converted snapshot standby for application testing purpose.
- Installation and implementation of oracle 11g and 12c database in various env.
- Managed HADR setup on DB2 database and perform switchover whenever required.
- Perform regular reorg check and gather stats on tables on DB2 database
- Perform log file rotation and management when log file become full.
- Worked with application team when DB was running slow using DB2 Snapshot/finding lock.
- Taking care of backup failure issue
- Handling replication issue between Oracle and sql server
- User creation and grant the required privileges
- Involved on Performance issue L1 and L2 level.
- Managing the growth of database by monitoring and space management.
- Creating database as per the client requirement and managing database files.
- Checking alert log files and to make necessary actions to rectify them.
- Restart the RMS,RPM and weblogic server based on user request
- Restart the workflow notification mailer based on user request
- Working on FS level issue and DISK level issue.
- Having good skill set on Microsoft Azure database and applied all the new features on Azure databases.
- Managing offshore and onsite team. Taking all the responsibly and leading team with high volume.
Senior Oracle Database Administrator
Confidential
Responsibilities:
- Upgrade Oracle database from 11.1.x to 11.2.0.4,12,1.0.2, 12.2.0.1
- Having strong exposure on performance tuning on OLTP &E-Commerce database.
- Applying PSU and bundle patch on every 3 months.
- Working on performance tuning based on user request.
- Oracle database administration
- Performed Restore activity due to various level of issue.
- Configuring RMAN backup for new build database
- Worked on schema refresh using Export and import
- Performed for Database refresh using RMAN.
- Resolving performance issues in production and pre-production environment, tuning the queries, creation of indexes, real time monitoring on performance issues.
- Worked on block level corruption as like physical and logical block corruption.
- Worked on datafile movement between own diskgroup.
- Worked on materialized view issue and Creation and modification of primary database storage structures (table spaces) and primary objects ( tables,views, indexes).
- Implemented 4 node RAC and setup with multiple database
- Implemented data Gurad and having good knowledge on Physical and logical standby databases
- Worked on exadata setup and having required exposure on storage level and network level.
- Adding Disk to diskgroup and having good exposure on ASM.
- Working and configured Transparent Data Encryption on 12c database and converted non-TDE tablespaces to TDE tablespaces to make more secure on tablespaces
- Having good knowledge on Flashback,Garntee restore point,and FRA
- Build multiple standby database and converted snapshot standby for application testing purpose.
- Installation and implementation of oracle 11g and 12c database in various env.
- Having strong experience to use SQLT,SQLHC,AWR and ADDM reports.
- Having good exposure on Large Securefile LOB objects and managing when growing high.
Senior Oracle Database Administrator
Confidential
Responsibilities:
- Handling Critical database issues which is escalated by L1/L2 DBA teams
- Handling Performance issue which is escalated with high criticality
- Specialist in implementation in RAC,Data Guard as standby databases,ASM using OEM DP provisioning.
- Having experience to apply patch on OMS/OEM databases in 12c/13c.
- Extensive experienced in Oracle Performance Tuning(Overall Database Performance from Core Level to Application Level).
- Worked on performance issues on Exadata and ODA machine database on various level.
- Worked on various level of clustering issue and high availability issues.
- Performed on various database restore/refresh based on user request using duplicate RMAN method.
- Working closely with architect team to optimize the database and make upto standard level.
- Worked on secure database using DBSAT tool and SOX scripts and make proper changes based on suggestion from report.
- Have strong experience on OEM 12c/13c to monitor database and setup alerts.
- Having Good experience on Golden Gate with bi-directional &uni-directional replication
- Having strong experience to use SQLT,SQLHC,AWR and ADDM reports.
- Having good exposure on Large Securefile LOB objects and managing when growing high.
- Having strong experience to upgrade and migrate database from lower to 12.1.X/12.2.X.
- Having experience to working on PDB/CDB databases on 12.1.X.
- Having strong experience to tune SGA issues as such like ORA-04301/ORA-00600 error.
Senior Oracle Database Administrator &DB2 DBA LUW
Confidential
Responsibilities:
- Troubleshooting and managing ASM and RAC issue in Production and non-production environment Oracle Database Migration from 9i/10g to 11g R2.
- Database capacity planning
- Resolving and troubleshooting RAC and ASM issues
- Worked on log file sync gap issue and build physical standby for migration activity.
- Tuning the shared pool, large Pool, Buffer pool, Redo Log Buffer
- Involved various level of performance tuning on database level and
- Testing of various types of time-bound incomplete recovery (point-in-time-recovery) and complete recovery
- Actively involved in monitoring the lock processes, releasing locks in case of resource blockage.
- Usage of Export and Import utility
- Creating monthly and yearly partition for production Databases
- Backup & Recovery strategy
- Upgraded database depends upon the requirement for standalone and RAC database and apply PSU Patch.
- Working on Table Re-Org on big table and Transport tablespace between different database
- User,tablespace,Schema creation and monitoring tablespace alert
- Troubleshooting and managing database connectivity issues (Listener service)
- Involved in Day to day DBA duties in production & Non- Production environment.
- Converting from Dictionary to locally managed tablespace for better performance.
- Maintenance of tables pace, File system space management and providing Root Cause Analysis for the issues.
- Additional responsibility
- Taken care of L1 level team under my lead.
- Attended daily CAB approval meeting to push CRQ changes in Prod.
- Team Management
Junior Oracle DBA and DB2 DBA LUW DBA
Confidential
Responsibilities:
- Database Performance Tuning by configuring DB & DBM parameters.
- Monitored for Space and User Management in DB2
- Schedule monitoring jobs and perform database maintenance activities such as reorg, runstats and reorgcheck
- Creating and Managing Tables, including Constraints.
- Working on application level lock issue using DB2 snapshot.
- Performed restore and recover on various level issues and recovered dropped table using restore option in DB2.
- Supporting Oracle database (9i,10g R2 and 11g R2).
- Oracle user creation and resolving space issue on tablespace level.
- Scheduled the backup job in crontab.
- Generating and analyzing AWR reports for DB performance analysis.
- Resolved various tickets pertaining database issues.
- User creation and taken care of tablespace level issue
- Managing backup report and taking action based on backup failure
- Performing export and import for schema /table level refresh based on customer request.