Database Admistrator Resume
IN
SUMMARY
- Having around 8 Years of total IT experience in DB2 as a DB2 UDB (LUW)Administrator Experience on DB2 utilities, handling production and Development Issues. As a proactive team member, able to handle good organizational, communication skills.
- Experience on DPF environment.
- DB2 installations, configurations, patching and upgrades in production, Q/A, Test and Dev environments.
- Experience on creating the new database and maintaining database objects
- Providing technical expertise to design most efficient and cost - effective solutions for DB2 based database systems
- Automating repetitive tasks
- Advanced performance tuning, advanced troubleshooting and problem determination
- Create DB2 database online/offline backups
- Experience on creating the new Table Spaces (DMS).
- Hands on experience in maintaining Table space spaces, Tables in DB2 databases running on LUW platforms
- Experience on maintaining Database Managerand Database Configuration Parameters
- Expertise in using DB2 Movement Utilities like Export, Import and Load
- Troubleshooting database issues using db2diag, db2pd, Snapshots and event monitors
- Understanding of HADR Database and storage technologies like Data replication, SRDF/non-SRDF.
- Good knowledge of SQL replication.
- Knowledge of SQL programming, Database and SQL performance tuning
- Able to manage and deploy application database modifications
- Knowledge of LDAP role-based authentication usage within DB2 LUW environments preferred
- Experience with partitioned and non-partitioned environments preferred
- Able to resolve performance issues using various tools
- Participate in Database Maintenance and DR activities
- Build and configure multiple DB2 databases, clustered, non-clustered and virtual environments.
- Generating DDL using DB2LOOK utility.
- Strong Shell Scripting experience in Red Hat and SUSE Linux
- Performance tuning by monitoring, taking snapshots
- Opening PMR with IBM through phone or tickets in case of Database failures or any support required & driving them to closure
- I do have experience on Problem Resolution, Configuration Management, Capacity Management
- I worked supporting DB2 in a WCS (Web sphereCommerce Server) environment
- Expertise in running REORGCHK, REORG and RUNSTATS for better performance of the database.
- Table space management - Adding, dropping, extending, reducing and resizing table space containers
- Backup & Recovery of Database, Online database backup, archived log files and Offline
- Granting /revoking various authorizations to different Users/Groups
- Implemented DB2 Security, Locking and Concurrency Control using Isolation levels.
- Good knowledge on Incident, Problem and Change management process
- Managing P1/P2 Bridge Calls
- May manage smaller projects/initiatives as an experienced individual contributor with specialized knowledge within assigned discipline
- Performs DB2 database testing
- Leverages understanding of database technologies and supporting technologies to build and maintain databases
- Strong collaboration, team building, interpersonal, communication skills with proficiency of grasping new technical concepts quickly.
TECHNICAL SKILLS
Operating System: Linux (SUSE and Red Hot), AIX, Unix, Sun Solaris, Windows
Languages: SQL, UNIX, Shell Scripting, awk, C
RDBMS: IBM DB2 UDB LUW V9.1, V9.5, V9.7, V 10.1&V10.5, SQL Server 2005/2008/2012 , Oracle (OEM), Netezza
DBA Tools: Putty, IBM data studio, DB2 control center, Change Data Capture (CDC), Optim Performance Manager, DB2 Performance Expert, Erwin, ER/Studio, Rational Data Architect, DPROP, DB2 Replication Center, DB2 connect, and Quest Tools, VERITAS NetBackup, TSM, DB2 Federation, DB2 Query Patroller,DB2 Governor, db2top and db2pd,SRDF/non-SRDF
Application Server: WebSphere, WebLogic, JBoss,Cognos
Reporting Tools: Service Now, CA (SDM), JIRA
PROFESSIONAL EXPERIENCE
Confidential, IN
Database Administrator
Environment: DB2 UDB V9.7, V10.1, V10.5, V11.1 OS - AIX, LINUX
Responsibilities:
- Developed and Maintained Development, Test and ProductionDB2 UDB Linux/Unix/Windows(LUW).
- AIX / Linux / CRON job experience
- PerformedSQL Tuningusing EXPLAIN,tuning Database/ Database Manager configurationparameters for optimal database performance
- Created Database Objects like Schemas, Tables, Views, Stored Procedures, Indexes, Triggers, Table spaces, Buffer Pools, User Roles, User Defined Types (UDT) and functions.
- Maintained database security byGranting/Revokingusers/role (v.10.1) authorizations and privileges
- I Do have a experience in UNIX with AIX 5.x/Linux preferred.
- Experience on DB2 Installation, Planning, Migration and Maintenance & upgrading activities.
- DB2 Cataloging Databases on various node directory / catalog configuration.
- Database performance tuning using DB2dart, DB2explain utilities.
- Maintained database concurrency by setting properIsolation LevelsandLocksfor queries
- Extensive experience in fine tuning of long running queries.
- Worked on data movementIMPORT,EXPORTand LOADutilities.
- I have a Knowledge on SQL and PL/SQL
- Experience on database physical and logical design principals
- Experience in DB2 High Availability (HADR, TSA, HACMP).
- Solid knowledge of high availability using Tivoli / TSAMP policies.
- Performed database maintenance tasksREORGCHK, RUNSTATS, REORGon daily/weekly basis
- Experience with RDBMS like Oracle or Microsoft SQL Server
- Experience in Performance monitoring/testing COGNOS applications
- Experience reviewing SQL to address performance problems
- The internal drive, intellectual curiosity, ability to learn, and desire to help the customers succeed.
- Experience on Trouble shooting database issues using db2diag and notification logs, snapshot, event monitor, db2hc or enabling hmon.
- Table space creation on DPF environment
- Experience with testing methods
- Experience in at least one DB2 database technology, technical or application area
- Design experiences, preferably with database architecture standards or frameworks
- Experience designing, modeling, creating and maintaining databases based on business requirements
- Writing and testing shell scripts for automating database activities
- I do have a experience Table space management - Adding, dropping, extending, reducing and resizing table space containers
- Identifies what needs to be done and accepts task responsibilities and is results-driven. in clustered environments, and full application SDLC.
- Done Backup (online and offline), Restore and Redirect Restore
- Experience installing and supporting DB2LUW on both Windows and Linux
- Experience database performance tuning is expected.
- Experience on Backup and recovery methods including point in time recovery.
- Setup and maintain documentation and standards.
- Perform defect prevention plan and continual improvement tasks.
- Resolve issues related to data propagator SQL replication.
- Experience in multiple operating systems like Red Hat Linux Advanced forDB2(LUW).
- Experience with change control management for moving changes from Development to Production.
- Experience with Content Management, Business Intelligence systems, And with Big Data
- Experience Use of problem and change management tools & Managing Archive log files
- Involved in L2 and L3 activities.
- Attending Weekend calls with offshore and onsite teams
- Supportedon-call DBAresponsibilities in UDBoff-hour (24/7).
Confidential
DB2 DBA
Environment: DB2 UDB V9.5, V9.7, V10.1, V10.5 OS - AIX, LINUX
Responsibilities:
- Worked as a DB2 Database Administrator in setting up the HADR environment on the DB2 Workgroup Servers.
- Highly involved in the project capacity planning and gathering prerequisites for the project.
- Applied Fix-packs to the most recent level of the DB2 version.
- Worked with instance and database configuration parameters to automate tasks, such as logging, memory management and database storage.
- Generated and implemented DDL for several projects from the logical model, using Erwin Data modeling.
- Migrated the database servers to the latest version which was 9.5.8 to 9.7.4 Pure Scale.
- Worked with the Operations DBA’s assisting them with the issues related to the production.
- Constantly migrated instances, databases to current level of DB2 versions/fix packs to in corporate the new functionalities.
- Setup HADR between primary and secondary servers to ensure High Availability, using db2haicu and TSAMP.
- Suggested Backup policies as per the requirement (offline/online; incremental/delta) and implemented the same and tuned the parameters accordingly.
- Responsible for database backup and recovery (offline and online backups - Full, Incremental and Delta Incremental). Database cloning, using Redirected Restores.
- Worked with various Data Movement Utilities, like Load, Import, Export, db2move, Replication for timely movement of data.
- Scheduled database changes, using ITSM tool.
- Used Data Warehousing concepts and WebSphere.
- Provided support on replicating data, using Q-Replication.
- Performed Scheduled maintenance on the databases, such as reorg and runstats in purging the older logs and backup images.
- Created and maintained documentation, such as functional design documents, detailed design documents, data flow diagrams, data entity relationships, security baseline checklist, transition checklist, test case checklist documents for the project.
- Implemented CIS standard security baselines while making data available to those authorized to have access.
- Worked with the IBM vendors to implement the design plans and provide solution architecture.
- Performed knowledge transfer to the remotely working DBA’s for the operations support.
- Provided DB2 support services in staging and production environments to the Operations DBA’s.
- Worked with various teams, such as Architecture design, Network Support, Windows, UNIX, and SAN to setup the clusters.
Confidential, OH
DB2 DBA
Environment: DB2 UDB V9.5, V9.7, V10.1, V10.5 5fOS - AIX, LINUX
Responsibilities:
- Designing and Implementing Database objects
- Creating and Altering DB2 objects like Databases, Tablespaces, Tables, Indexes
- Planning and Implementing Backup and Recovery strategy.
- Performing online utility such as Load, Copy, Reorg, Runstats
- Tuning utility job to improve performance
- 24/7 on call support.
- Hands of experience in migration of DB2 versions from V9 to V10
- Setup of HADR to ensure high availability2
- Took Offline and Online backup as well as wrote shell scripts and scheduled them.
- Put AutoSYS job scheduling daily based for Backup, Reverse engineering, Size of tablespaces, Snapshot and Runstats scripts
- Extensively used DB2TOP for monitoring database both in irrespective and Batch modes.
- Altered tables and added check constraints and referential integrity.
- Checked consistency of the databases, using DB2 commands.
- Implemented DB2 Security, Locking, Concurrency Control
Confidential
DB2 DBA
Environment: DB2 V9.1,V9.5,V9.7,V10.1 Sun solarise, AIX, LinuxOracle, IBM Data Stage and Netezza
Responsibilities:
- Create and Manage Servers, instances and databases
- PerformedSQL TuningusingEXPLAIN,tuningDatabase/ Database Manager configurationparameters for optimal database performance
- Worked on Workload Manager to explicitly control and influence resources during execution by mapping all the queries to service classes.
- Maintained database concurrency by setting properIsolation LevelsandLocksfor queries
- Worked on data movementIMPORT,EXPORTand LOADutilities.
- Recovered database usingcrash, version and roll-forwardrecovery methods.
- Experience in setting up and maintaining High availability disaster recovery (HADR).
- Performed database maintenance tasksREORGCHK, RUNSTATS, REORGon daily/weekly basis.
- ImplementedDB2 Performance Expertmonitoring tool on Dev, QA and Prod servers.
- Useddb2expln, db2ckbkp, db2look, db2move, db2pd, db2rbind and db2mtrkutilities
- Wroteshell scriptsand setting upCRONjobs to take backup, runstats, reorg, disk space monitoring, I/O contention, log growth and rate of database growth.
- Expertise in SQL tuning, DB/DBM parameter tuning, different levels of memory allocations.
- Maintaining and troubleshooting health parameters of the database such asDeadlocks, Lock timeouts/escalations, Buffer Pool/Cataloghit ratio, Utility/Databaseheaps.
- Monitoring Tablespace utilization,Diaglog, Disk I/O,CPU utilizationon a regular basis.
- Establish standards and procedures to implementdatabase securityandauditing procedures
- Involved in applying latestfixpakson all UDB databases.
- Troubleshoot database production problems and database connectivity issues
- Implement Business Continuity Solutions such as Database refresh, cloning, Database Backups, etc.
- Monitoring the database environment on a regular basis for performance and other issues
- Configure and maintain database high availability
- Monitoring all the database and Instance parameters usingFoglight monitoringtool.
- Responsible for designing, implementing and testing Disaster Recovery procedures and processes
- Experience on that Computer Security Policies, General IT and SOX Controls are followed
- Experience on compliance with naming standards
- Participate as a team member in projects that require outages, upgrades and patches to databases
- Produce documentation and procedures regarding the proper use and operation of the DBMS
- Capacity Planning
- Coordinate the resolution of DBMS problems that require DBMS vendor intervention
- OpenedPMR'sandService ticketsto get the resolution fromIBMfor critical database issues
- Experience with change control management for moving changes from Development to Production.
- Supportedon-call DBAresponsibilities in UDBoff-hour (24/7).
Confidential
DB2 DBA
Responsibilities:
- Tuning of DB and DBM configuration parameters
- Database version upgrade, patching
- Database maintenance scripting and automation of database admin related activities.
- Monitored the table space’s growth and added/extended the containers accordingly
- Worked with data movement utilities IMPORT, LOAD and Export
- Deploy database components by DDL/DCL.
- Reorganizing Tables and Indexes for improving performance
- Altered Buffer pool size and Threshold.
- Monitored Databases using Database monitors, Snapshot Monitor, and Event Monitor.
- Generating DDL using DB2LOOK utility
- Done Backup (online and offline), Restore and Redirect Restore
- Checked the database backup image's integrity using db2ckbkp
- Granting database privileges to the users.
- Performance tuning the database for better and faster results
- Configuration and administration of HADR.
- Table space management - Adding, dropping, extending, reducing and resizing table space containers
- Exporting the data from production and loading it in test boxes.
- Sending daily and weekly reports and handovers.
- 24/7 on call support.