Sr. Database Administrator Resume
Jersey City, NJ
SUMMARY:
- Having 8 Years of total IT experience in DB2 as a DB2 UDB (LUW) Administrator, And Developer Experience on DB2 utilities, handling production and Development Issues, and I have a good knowledge on ITIL.I have good knowledge on SAP Basis. As a proactive team member able to handle good organizational, communication skills.
- DB2 installations, configurations, patching and upgrades in Production, Q/A, Test and Dev environments
- Experience on DPF environment.
- 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 task.
- 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 Manager and Database Configuration Parameters
- Expertise in using DB2 Movement Utilities like Export, Import and Load
- Troubleshooting database issues using db2diag, db2pd, Snapshots and event monitors
- Experience in replication (both SQL and QREP).
- understanding of HA, DR Database and storage technologies like Data replication, SRDF/non - SRDF
- Able to resolve performance issues using various tools
- Application Control Management system (ACMS)
- OpenVMS clusters
- Digital Command Language (DCL)
- CPU-independent SAN technology
- OpenVMS capacity planning performance management and system utility tools.
- Participate in Database Maintenance and DR activities
- Build and configure multiple DB2 databases, clustered, non-clustered and virtual environments .
- Experience in administering and supporting IBM iSeries
- Strong Shell Scripting experience in Red Hat and SUSE Linux
- Performance tuning by monitoring, taking snapshots
- I have knowledge of Oracle Enterprise Manager(OEM)
- Opening PMR with IBM through phone or tickets in case of Database failures or any support required & driving them to closure
- Determine table attributes, primary, and alternate keys for multiple databases.
- Troubleshoot root cause of database issues and recommend solutions or workaround.
- Implement database monitoring procedures to maximize availability and performance of the database.
- Interact with staff from areas outside of Management Information System (MIS) to participate in and/or organize projects that are short/long term.
- I have experience with TSAMP in a production environment
- I worked supporting DB2 in a WCS (WebSphere Commerce Server) environment
- Expertise in running REORGCHK, REORG and RUNSTATS for better performance of the database.
- Experience on DB2 Installation, Planning, Migration and Maintenance activities.
- Experience in Control and Maintenance of DB2, Commands & Utilities.
- I have experience on BMC Tools.
- Create and deploy CRs for DB stability & application release
- Writing and testing shell scripts for automating database activities
- Experience implementing and supporting DB2 Connect software
- I Perform periodic capacity analysis
- Peak season readiness & support
- Improve automation to reduce manual effort & reduce cost through CSIs
- Automate and optimize database maintenance
- Perform DB Refresh from production to other environment.
- Table space management - Adding, dropping, extending, reducing and resizing table space containers
- Backup & Recovery of Database, Online database backup, archived log files and Offline
- Experience on Set up SQL replication for new table
- Promote database changes from one environment to other
- Set up DB2 Table editor in new environments
- I have a knowledge on SQL and PL/SQL
- I do have knowledge on health care industry.
- Provide database solutions to developers and customers
- Implemented DB2 Security, Locking and Concurrency Control using Isolation levels.
- Good knowledge on Incident, Problem and Change management process
- Managing P1/P2 Bridge Calls
- 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, java
IBM: DB2 UDB LUW V9.1, V 9.5, V9.7, V 10.1&V10.5,SQL Server2005/2008/2012, Oracle (OEM) PL/SQL
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
Reporting Tools: Service Now, CA ( SDM ),JIRA, Remedy
PROFESSIONAL EXPERIENCE:
Confidential, Jersey City, NJ
Sr. Database Administrator
Environment: DB2 UDB v9.7, v10.1, V10.5 OS - AIX, Linux
Responsibilities:
- Experience on creating the new database and maintaining database objects
- Experience on Creating the new table Space
- Addressing all database server alerts with in SLA
- Capacity planning, sizing and designing
- Defining consolidation deployment and migration methodologies and cost-effective solutions
- Automated or simplified routine tasks such as backups/reorgs/runstats/binds, purge jobs and replication setup via Perl and shell scripting.
- Hands on experience in maintaining Table spaces, Tables in DB2 databases running on LUW platforms
- Experience on maintaining Database Manager and Database Configuration Parameters
- Expertise in using DB2 Movement Utilities like Export, Import and Load
- Troubleshooting database issues using db2diag, db2pd, Snapshots and event monitors
- Expertise in running REORGCHK, REORG and RUNSTATS for better performance of the database
- Designed and implemented strategy for running data reorg/runstats on timely basis for large tables to avoid data fragmentation and improves performance and system throughout.
- Experience in resolving incident management tickets of Database Environment
- Change Management - Schedule change, get approvals, do broadcast and work on change tickets.
- Supported and built active-active databases using update anywhere replication via SQL and Q-replication technologies.
- Data refresh at table level and database refreshes across prod/non-prod environments
- Used Remedy for Change Control/Change Management
- Moving databases from Development to Production after successful completion of application testing.
- Experience in DB2 High Availability(HADR, TSA, HACMP)
- Experience with Oracle RDBMS R11 and R12
- Experience on Oracle Data Guard with ASM ( Automatic storage management),RMAN(Recovery Manger)
- Support of Production and Non-Prod Oracle databases. Version 11 and 12.
- Experience with CA7 Scheduling Software
- Experience with RDBMS like Oracle or Microsoft SQL Server
- Experience in Performance monitoring/testing COGNOS applications
- Experience reviewing SQL to address performance problems
- Experience with WLM, DSM, Optim data growth
- 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
- Constantly migrated instances, databases to current level of DB2 versions/fix packs to incorporate the new functionalities.
- Created and modified databases and database objects as per application requests.
- Daily data refresh from production to QA environment
- Performance tuning by monitoring, taking snapshots
- Backup & Recovery of Database, Online database backup, archived log files and Offline
- Granting / revoking various authorizations to different Users/Groups.
- Experience on Optim info sphere tools. TDM, Guardium, S-gate & OPM." "Experience on ETL. Experience on Data studio.
- Experience on Provide day-to-day database support for the CCTI/CCP data warehouse environment .
- Provide support for data replication between production site and disaster recovery site -Provide support for performance testing the CAE and CCP applications -Assist with troubleshooting of system and application performance related issues and recommend fixes.
- Experience in Performance monitoring/testing COGNOS applications -Experience reviewing SQL to address performance problems
- Resolution of user queries: 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
- Knowledge on complex SQL, stored procedure, UDT, trigger, views etc .
- Monitoring the database on regular basis for performance and other issues
- Tuning of DB and DBM configuration parameters
- Database (DB2 UDB) maintenance and support
- Performance tuning the database for better and faster results
- Providing weekend on call support
- Perform backup and restore activities
- Supported on-call DBA responsibilities in UDB off-hour (24/7)
Confidential, NY
DB2 Database Administrator
Environment: DB2 V9.5, V10,V10.5 Sun solarise, AIX, Linux, Oracle, IBM Data Stage and Netezza
Responsibilities:
- Create and Manage Servers, instances and databases
- Developed and maintained Development, Test and Production DB2 UDB Linux/Unix/Windows(LUW).
- Performed SQL Tuning using EXPLAIN, tuning Database/ Database Manager configuration parameters 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.
- Worked on Workload Manager to explicitly control and influence resources during execution by mapping all the queries to service classes.
- Maintained database security by Granting/Revoking users/role (v.10.1) authorizations and privileges
- Maintained database concurrency by setting proper Isolation Levels and Locks for queries
- Worked on data movement IMPORT, EXPORT and LOAD utilities.
- Recovered database using crash, version and roll-forward recovery methods.
- Experience in setting up and maintaining High availability disaster recovery (HADR).
- Implemented table partitioning in Dev, RT, UAT and Prod environments.
- Performed database maintenance tasks REORGCHK, RUNSTATS, REORG on daily/weekly basis .
- Implemented DB2 Performance Expert monitoring tool on Dev, QA and Prod servers.
- Used db2expln, db2ckbkp, db2look, db2move, db2pd, db2rbind and db2mtrk utilities
- Wrote shell scripts and setting up CRON jobs 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.
- Monitored databases using snapshot and event monitoring for troubleshooting.
- Maintaining and troubleshooting health parameters of the database such as Deadlocks, Lock timeouts/escalations, Buffer Pool/Catalog hit ratio, Utility/Database heaps.
- Monitoring Tablespace utilization, Diaglog, Disk I/O, CPU utilization on a regular basis.
- Establish standards and procedures to implement database security and auditing procedures
- Involved in applying latest fixpacks on all UDB databases.
- Monitoring all the database and Instance parameters using Foglight monitoring tool.
- Opened PMR's and Service tickets to get the resolution from IBM for critical database issues
- Experience with change control management for moving changes from Development to Production.
- Supported on-call DBA responsibilities in UDB off-hour (24/7).
Confidential, CA
DB2 Database Administrator
Environment: DB2 UDB V9.1, v9.5,v9.7&v10.1, OS - AIX, Linux
Responsibilities:
- Installation and Configuration of DB2 environment in LUW.
- Stabilizing the DB2 environments and streamlined the systems.
- Identifying key milestones and deliverables.
- Up gradation of database from v9.5 fp10 to v9.7 fp7.
- Configuring the High Availability techniques like HADR& HACMP.
- Installing and configuring the databases to IBM OPM tool for proactive monitoring of DB2 databases.
- Extensive experience in fine tuning of long running queries.
- Extensive experience in loading large volumes of data across DB’s.
- Backup & Recovery of Database, Online database backup, archived log files and Offline.
- Granting / revoking various authorizations to different Users/Groups.
- Capture and analyze Explain and Visual Explain information.
- Usage of tools like DB2 Load, Import, Export and Reorg, Run stats, Reorg Check, Backup, Restore, DB2move and DB2look
- Creation and management of both system level and object level roles and privileges for various users. Killing sessions and granting/revoking user privileges and roles.
- Exposure on DR test & strategies like Failover Clustering/HADR.
- Cataloging Databases on various nodes.
- Involved in physical database layout design.
- Working with apps team to deploy the releases on time and more accurately.
- Snapshot monitoring was done to detect deadlocks, buffer pools and lock escalations.
- Provide assistance to the development team on performance tuning, resolving locking situations, assist data modeler with SQL scripts.
- Responsibilities include disaster recovery, capacity planning and Real Time monitoring, troubleshooting and proactive maintenance.
- Perform file system copy from production to non-production using TSM backup and recovering DB2 databases in non-production environment.
- Implemented Database partitioning and Archival logging in DB2 UDB.
- Troubleshoot the issues as and when required.
- Attending Weekend calls with offshore and onsite teams.
- Setup and maintain documentation and standards.
Confidential
Database Administrator
Environment: DB2 UDB V9.7, OS - AIX, LINUX
Responsibilities:
- Providing support to System Administration(SA) in database installation, instance Creation and instance upgrade
- Tuning of DB and DBM configuration parameters
- Weekly database size report and table space utilization report
- Database (DB2 UDB) maintenance and support
- Performance tuning the database for better and faster results
- Worked on EXPORT, IMPORT and LOAD utilities, moving Data between servers
- Daily and weekly database Maintenance activities such as backup, reorgchk, reorg, runstats and all related activities for OLTP database
- Table space creation on DPF environment
- Table space management - Adding, dropping, extending, reducing and resizing table space containers
- Restoring the database as per client requirement on test environment
- Stored Procedure compilation and execute privileges to user
- Granting & revoking various authorizations to different user/groups
- Database monitoring using Snapshots and Event monitoring
- Resolution of user queries: 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
Confidential
Database Administrator
Environment: DB2 UDB V9.1,V9.5, OS - AIX & Linux.
Responsibilities:
- Tuning of DB and DBM configuration parameters
- Monitored the table space’s growth and added/extended the containers accordingly
- worked with data movement utilities IMPORT, LOAD, and EXPORT
- 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
- 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.