Db2 Luw Database Administrator Resume
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Torrance, CA
SUMMARY:
- 8+ years of IT industry experience in DB2 UDB Database Administration & Infrastructure Services with good knowledge & Exposure towards AIX, Windows.
- Managed Both SAP & Non SAP Databases of more than 20TB Database size.
- Key Skills: DB2 UDB DBA, SQL DBA, Infrastructure Management, ITIL\ITSM Methodologies, Practice Building, Competency Development, Project Management, Team Building, Team Leadership, Product Development.
- Hands on Experience in migrating DB2 UDB databases from old to newer versions (V9.1, v.9.5 to v.9.7, 10.1, 10.5) and applying FIXPAKS to keep DB2 at most recent level.
- Experience in Capacity planning, Backup, Restore and log Shipping. Conduct RCA for Database outages.
- Experience in using DB2 Movement Utilities like Export, Import, Load and db2move.
- Creation of user roles and granting/ revoking necessary permissions to users and roles.
- Work with the application development teams in fine - tuning of Queries, tuning performance of Queries\Jobs.
- Experience in setting up and maintaining disaster recovery methods High availability disaster recovery (HADR).
- Good experience in creating DB2 database data objects like table spaces, tables, Views and Indexes.
- Highly involved in performance tuning like performing REORGS, RUNSTATS on the database tables frequently and tuning SQL Queries.
- Monitored databases using snapshot and event monitoring for troubleshooting.
- Experience in requirement analysis, coding and testing various modules of SDLC.
- Involved in all phases of the project (Requirements, Designing, unit testing and defect fixing)
- Monitoring and resolving Blocking/deadlock issues.
- Good knowledge on Support guidelines and SLA deadlines.
- Exhibits strong teamwork and individual drive - highly motivated, articulate and eager to learn, Good Communication and Interpersonal skills.
- Involved in Query tuning \Performance tuning.
- Experience in database backup online, Offline backup, Snapshot backup, flash copy backup.
- Implemented standby database for high availability using HADR utility.
- Troubleshoot production DB2 issues and problems (db2diag.log, db2 traces).
- Provided on-call 24/7 DB2 DBA support for DB2 production environments.
TECHNICAL SKILLS:
Database: DB2 UDB 9.x, 10.x SQL Server
Database Tools: DB2 Data Studio, DB2 Connect & Query AnalyzerOperating System: AIX, Windows, Linux.
Ticketing Tools: Service Now, Maximo, Remedy
Monitoring Tools: Tivoli Monitoring
Languages: Shell Scripting.
PROFESSIONAL EXPERIENCE:
Confidential, Torrance, CA
DB2 LUW Database Administrator
Responsibilities:
- Involved in building new instance Database, Database Objects and users creation.
- Good Exposure in DB2 UDB Installations, Configurations and Administration on Aix, windows machines.
- Managing 200 database instances and 500 databases
- Migration and Up-gradation (Fix Packs) on existing database servers.
- Hands on experience in maintaining DMS Table spaces, Tables in DB2 databases running on UNIX platforms.
- Experience in implementing Backup and Recovery strategies.
- Good Experience on restoring the database from one AIX server to another AIX server using Redirect Restore method.
- Expertise in using DB2 Movement Utilities like Export, Import, Load and db2move.
- Expertise in getting entire DDL’s for a database using db2look and creating those objects structure in Target database based on the DDL script.
- Hands on experience in cataloging the Data Bases.
- Experience in using DB2 Maintenance Utilities like Reorgchk, Reorgs and Runstats.
- SQL Query Tuning using db2advisor, db2explain and db2exfmt tools.
- Troubleshooting database issues using db2diag, db2pd, db2top, Snapshot and event monitors.
- Worked with IBM support in various occasions by raising PMR and collected info using db2support to assist in troubleshooting.
- Primary Knowledge on HADR (High Availability Disaster Recovery).
- Good knowledge on Incident / Problem and Change management process as ITIL framework.
- Experience on preparing project related documents, Knowledge Articles.
- Tuning of db and dbm configuration parameters.
- Created views and granted privileges to the users as required to their access.
- Good experience in 24/7 production environment support and involved in on call support on rotation basis.
- Resolution for the user queries for all above tasks and application errors, which are affected due to database, level issues in day-to-day basis.
- Resolving locking issues at the application, by giving recommendations to make changes in the application to reduce/avoid deadlocks and lock timeout.
Confidential
DB2 LUW Database Administrator
Responsibilities:
- Involved in building new instance Database, Database Objects and users creation.
- Managed both SAP & Non SAP Databases. Managed 300 instances and 620 databases, Database size varied from 10 GB to 25Tb.
- Expertise in getting entire DDL’s for a database using db2look and creating those objects structure in Target database based on the DDL script.
- Handle Database Refreshes and respond to the DB related requests and Updates of operational procedure documents as necessary.
- Experience in Flash copy backup and flash copy restores Activities.
- Optimize SQL queries and analyze database performance issues
- Database Installation, upgrade and fix pack implementations
- Experience in using DB2 Maintenance Utilities like Reorgs and Runstats.
- Analyze production failures and slow performance by db2 diagnosis tool such as db2top, db2pd and by snapshots
- Participate in Cluster failover exercise and support database availability
- Research and analyze database solutions for proposed business requirements with all alternative solutions in research labs.
- Work with IBM lab via PMR for any production issue
- Install db2 software and db2 client software
- Experience in implementing Backup and Recovery strategies.
- Hands on experience in cataloging the Data Bases.
- Troubleshooting database issues using db2diag, db2pd, db2top, Snapshots and event monitors.
- Good knowledge on Incident / Problem and Change management process as ITIL framework.
- Experience on preparing project related documents, SOPS.
- Created views and granted privileges to the users as required to their access.
- Good experience in 24*7 production environment support and involved in on call support on rotation basis.
- Resolving locking issues at the application, by giving recommendations to make changes in the application to reduce/avoid deadlocks and lock timeout.
Confidential
DB2 LUW Database Administrator
Responsibilities:
- Expertise in SQL tuning, DB/DBM parameter tuning, different levels of memory allocations, various tools like export, import, load, autoloader and experience with all kinds of database snapshots.
- Managed SAP & NON SAP Databases. Managed 120 instances and 140 databases
- Creating and Monitoring Users, authorities and responsibilities and password management.
- Enhanced application performance by running RUNSTATS, REORGCHK and REORG utilities.
- Monitored and managed disk space, I/O contention.
- Designed and implemented backup and restore procedures.
- Monitored databases using database monitors, snapshot monitoring and event monitoring.
- Generated reports of database structure using DB2LOOK Utility.
- Recovered data to a prior point in time using ROLLFORWARD command.
- Implementing capacity planning and partition table/index for very large and fast growing tables.
- SQL tuning and query optimization.
- Tuned application, database and system for best performance.
- Day-to-day attending to the user queries in sorting out database problems.
- Coordinating with user departments and attending their requirements for smooth functioning.
- Upgraded instances regularly with latest fix packs and alternate fix packs.
- Worked extensively with restores, redirected restores.
Confidential
DB2 LUW Database Administrator
Responsibilities:
- Recovering DB2 databases whenever necessary.
- Creation of DB2 objects like table spaces, tables, indexes and views.
- Managed 100 instances and 130 databases. Database size varied from 20GB to 20TB.
- Troubleshoot production DB2 issues and problems (db2diag.log, db2 traces).
- Automated the health check for various databases.
- Monitors replication server health, Database tuning and recommends system configuration changes to enhance the performance
- Handle Database Refreshes and respond to the DB related requests and Updates of operational procedure documents as necessary.
- Conduct root cause analysis for all database outages.
- Perform administration tasks such as database backup and restoration, Monitoring database health in terms of memory, CPU utilization, disk space, and security.
- Identifies bottlenecks in conjunction with application development team, attends and resolves batch abends.
- Monitors replication server health, Database tuning and recommends system configuration changes to enhance the performance.
- Responsible for running optimizer plans for slow performing queries, running trace and create standard reports on query performance and Database recovery
- Perform both functional and performance/stress testing for the stored procedures created and database objects and generating load and will tune the databases accordingly and will move the code to production environment.