Oracle Dba & System Administration Resume
SUMMARY:
- Over 15 years of IT experience out of which more than ten years as an Oracle DBA & System Administration. I am responsible for Software Development, Project Management and System administration. Have Experience in Design, Development, Customization and Implementation of various applications.
- ORACLE DBA on Window-NT/SUN Solaris/IBM AIX/Redhat Linux with OS Administration.
- Solely responsible for planning, installation & maintenance of Oracle Fail Safe 3.X on Microsoft clusters server configuration.
- Working on Oracle 9i Real Application Cluster environment and also acquired training from Oracle Corp.
- Worked in 24x7 production environment.
- Working with more than 900 databases on Sun Solaris / AIX / Linux / HP UNIX base servers.
- Responsible for Oracle installation, patch applied & co-ordinate with Oracle support.
- Responsible for operating system installation & patch applied.
- Responsible for Oracle middle tier application and patch applied.
- Responsible for creating Development & Test database from production environment. Also doing data refreshing as when required.
- Strong experience in Oracle 7.x, 8i, 9i, 10g & 11g Database Architecture and Administration.
- Planning for logical & Physical database in production server. Creation, maintenance and reorganization of Table spaces & maintained multiple databases
- Strong experience in ORACLE Database Administration including design of database, planning/implementing backup/recovery strategies & Performance tuning (block level & kernel parameter also).
- Capacity Planning, space utilization and Data Modeling & designing using Erwin.
- ETL package for Data loading and Extraction. Proficient in monitoring and optimizing the performance of the Database.
- Experience in enabling TCP/IP network and managing SQL* NET connectivity.
- A big exposure towards handling very large databases (more than 1000 GB), backup & recovering strategy.
- Programming skills in PL/SQL, Stored procedures, packages and triggers, Visual Basic, Clipper, FoxPro, Ms-Access and COBOL.
- UNIX Shell programming, Perl scripting, UNIX system administration, RAID configuration, TCP/IP, NFS, DNS, NIS setup and administration.
- Migrated the Oracle Production database from 7.3.4 to 8i, 8i to 9i, 8i to 10G, 9i to 10G, 10g to 11g.
- Worked on Setting up of Standby Database, Oracle Replication & Parallel servers in Production environment.
- I have done many analysis reporting using various Business Intelligent tools like Cognos, Microstrategy & Adaytum for Datawarehouse.
- Experience in installing Oracle Applications 11i & working knowledge of it.
- I have also work on Veritas file system management, Veritas Cluster server (VCS), Veritas netbackup & Veritas Backup Execute.
- Regularly doing housekeeping activity like space management, OS auditing, maintenance of user accounts and groups. Scheduling jobs using Crontab, Administering (creating, mount/unmount, file system integrity, backup/restore) the file systems.
- Knowledge of Solaris Cluster management, AIX HACMP.
- Assisting in router configuration & networking troubleshooting.
EDUCATION/CERTIFICATION/AWARDS:
- Master in Computer Science.
- Oracle Certified Professional 9i, 10G, 10gR2 RAC certified expert, 10G middle tier dba, 11G, EBS R12 Apps dba.
- Certified Sun Solaris 10 system admin.
- Oracle 9i Real Application Cluster training
- Brainbench certification of Sun Solaris.
- I was awarded with GAR (Greater Asia Pacific Region) Chairman’s Quality Award Competition 2000 & cash prize for best employee of IS department.
Applications : Sun ERP – SO / IC / PO / LA / AR / FAR / AP /CO.
Intranet Server Apache & IIS.
Complete Banking Application System – SB / CD / OD / CLG / FD / ADVANCES / GL/ STATUTORY COMPLIANCES etc.
Share Registrar Application: - Complete Integrated application development for share registry – Covering all Capital market Instruments - Equity, Debentures, FCD, PCD.
Industry Specific Applications for Industries as – Food & Beverages, Fashion, Financial Services, Bank - in the field of Sales, Manufacturing, Purchase, Accounts, Finance Payroll, etc.
Oracle Tools : PL/SQL, SQL*LOADER, SQL*PLUS, TOAD, QUEST, OEM, Oracle Management Server, DB Artisan SQL Navigator 4.X.
ETL & Data Model : Informatica, Erwin.
Business Intelligence : Cognos, Adaytum, Micro Strategy, Crystal Report.
Operating Systems : Unix (AIX, Solaris 5.x, Redhat Linux), Windows NT, Window 9X,
Window2000 server, Window XP, MS-DOS, Novell NetWare 4.0.
RDBMS : Oracle 11g,10g, 9.x, 8.x / 7.x, Sql Server ver 7.00
Languages : SQL, PL/SQL, Java, Visual Basic, Cobol, FoxPro, MS Access,
Clipper, Power Builder.
Hardware : RS 6000, Sun Solaris 5.x, Netfinity 5500, Pentium Workstations,
WAN, DEL Power Edge 6650/2300.
Admin Tools : Smitty, admintool, Solaris sysinfo, Solstice DiskSuite, Veritas
Backup Exec 9.x, Manager, Arc serve, Sun cluster, Net backup,
Tivoli, etc.
Other Tools : Mercury (CRM), PVCS (Software version control), Documentum
(Document Management) ,Manage Now (IBM problem
Management tool).
EXPERIENCE:
Confidential, Nov’04 to Present
Sr. Oracle DBA
IBM Client’s List
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RESPONSIBILITIES:
- Working with more than 900 databases environment where taking care of production and development.
- Primarily responsible for more than 30 databases.
- Works on client’s Data Center to IBM Data Center move. Get opportunity to work with many teams to make it successful.
- Successfully handle cross platform database transfer move for Oracle 10g, 11g database where I have done database or tablespace level export between Window base to Linux base for OLAP, OLTP type database.
- Installing & applying patches for Oracle 7, 8i, Oracle 9i , Oracle 10G , 11G, 10G RAC & 11G RAC software.
- Installing & applying patches for Oracle middle tier application.
- Supporting to 24 X 7 working environment.
- Working with Unix , Storage , application team to create a new RAC database for Production, Development & Test area on Linux, AIX , Sun Solaris.
- Converting single instance to RAC instance and RAC instance to single instance.
- Familiars with how to add / remove node in existing RAC environment.
- Work on disaster recovery for IBM’s clients.
- Planning, Designing and Implementing backup strategy, Creating backup scripts as needed using RMAN or other.
- As needed done Object level recovery using RMAN backup.
- Many times I’ve been called to resolve Oracle Performance Issue for other departments of IBM’s clients.
- Applying Oracle Security patches to applicable Oracle databases.
- Working with client’s auditor to setup database security access level and audit the database.
- Helping Application team with improving their application performance.
- Creating, Supporting and Troubleshooting Data Guard databases for Primary site and standby site. Successfully done switch over & failover as needed.
- Responsible to setup cronjob for application related task, database monitoring, backup jobs and write shell scripts as required.
- Monitoring the databases for 24X7 environment..
- Database refreshing from Production to Development/Test environment based on Production hotbackup.
- Solely, primary responsible to create a Veritas netbackup script for database backup purpose and coordinating with Backup and Unix team.
- Production database migration from 8i to 9i, 8i to 10G and 9i to 10G, 10G to 11G.
- Working with client’s external vendor to setup their database environment.
- Supporting and Troubleshooting for Advance Queue and Replication database related issue.
- Coordinating with Application team, Backup team and Unix team to rollout Database Implementation.
- Database Refreshing from Production to Development/Test environment with export/import utility at database level / schema level / tablespace level.
- Coordinating with ODCS dba team to transfer Sun Solaris base database to AIX base database.
- Managing database security.
- Successfully done Production environment recovery at database or datafile level as needed
- Testing for Fail over database meaning database move from one server to another sever.
- Checking bottle neck for database performance.
- Converting 32 bits base database to 64 bits base database.
- Well verse with Data pump , export / import utilities.
- Support Oracle middle tier application performance & backup management.
- ENVIRONMENT: Oracle 7.3,8,8i,9i,10G,11g,9i RAC,10g RAC,11g RAC,EBS 11i,EBS R12, SQL, PL/SQL, Oracle Enterprise (OEM),Oracle Management Server, Toad and many other database tools. Sun Solaris 5.X, AIX 5L, Windows Xp/NT.
Confidential, (Oldwick, New Jersey) From Aug’04 to Oct’04
Sr. Oracle DBA
RESPONSIBILITIES:
- Designing database for Production Server for RAC (Real application cluster).
- Installing & apply patches for Oracle 9i software.
- Maintaining database security.
- Database client / web / application / iSQLPLUS configuration.
- Configuring automated open database backup & export dump.
- Monitoring the database usage.
- Creating a logical & physical diagram of application / database using data modeling tool like ERwin.
- Created a new Development & Test environment on Oracle 9i base.
- Writing triggers & procedures as per requirements.
- Monitoring the problem thru Mercury & give solution base on that.
- Recovered the database or tablespace or table as per types of failure.
- Database tuning through Oracle Management Server & self-written scripts.
- Well verse with database tool like SQL Navigator, Oracle Enterprise & Oracle Management.
- Recovered the table base on flash back query (Base on timestamp).
- Give a proper training to database user who does mistake.
- Involved in PL/SQL development, based on the requirement.
- SQL tuning using SQL Navigator.
- Written an ETL code in PL/SQL where source data in JD Edwards & target in there in house application
- ENVIRONMENT: Oracle 9i, Windows 2000 server, SQL, PL/SQL, SQL Navigator, Oracle Enterprise (OEM), Oracle Real Application Cluster (RAC), Oracle Management Server, Cognos, All Fusion ERwin 4.01, PVCS, Documentum, Mercury & many other database tools.
Confidential, (Columbia, South Carolina) From Feb’04 to Aug’04
Sr. Oracle DBA
RESPONSIBILITIES:
- Designing database for Production Server.
- Migration of Old 8i Production Parallel server to Oracle 9i base.
- Co-ordinate with system & Dell guy for Microsoft cluster server configuration.
- Installing & apply patches for Oracle 9i software.
- Installation of Oracle Fail Safe on Microsoft Cluster server.
- Maintaining database security.
- Database client / web / application / iSQLPLUS configuration.
- Configuring automated open database backup & export dump.
- Monitoring the database usage.
- Configuring database shutdown script for APC power management.
- Created a new Development & Test environment on Oracle 9i base.
- Helping application developer for application error.
- Writing triggers & procedures as per requirements.
- Decide DR (disaster recovery) strategy for production database.
- Planning for HA (highly available) database to the users with minimum of downtime.
- Recovered the database or tablespace or table as per types of failure using RMAN.
- Database tuning through Oracle Management Server & self-written scripts.
- Well verse with database tool like Toad, DB Artisan, and Oracle Enterprise Manager, Oracle Management & BMC’s SQL Backtrack.
- Recovered the table base on flash back query (Base on timestamp).
- Give a proper training to database user who does mistake.
- Shifting Production database to other server when detect hardware problem in servers without loosing data & minimum down time.
- Involved in PL/SQL development, based on the requirement.
- ENVIRONMENT: Oracle 8i, Oracle 9i, Windows 2000 server, Oracle Fail Safe 3.x, SQL, PL/SQL, Toad, SQL Back-track, Oracle Enterprise, Oracle Management Server, ERwin, Power Builder, DB Artisan, Veritas Backup Exec 9.X, Dell Power Edge 2300/4300/6350/6650 & many other database tools.
Confidential,(Wall Street, New York)
From Mar’02 to Feb’04
- Oracle DBA & AIX/Solaris Unix Administrator.
- RESPONSIBILITIES:
- Designing Database for Data warehouse.
- Planning for logical & physical layout for Database.
- To setup Business Intelligent tool.
- Developing ETL package for Data load and Extraction
- Monitoring Documentation process done by Programmers.
- Creating Stand-by Oracle Database & to setup Oracle 11i clone database.
- Designing and Implementing Backup and Recovery Strategy (Hot & Cold backups), Writing Cron jobs for daily Report on Database activities.
- Well verse with Unix shell scripting.
- As a regular task – Observing system storage, Rebuilding Indexes, Fragmentation of Database Objects, Tuning Issues, Resolving IO Contention,
- Used Oracle tools like TKPROOF, UTLBSTAT and UTLESTAT for Performance Tuning of Database
- Working with Oracle Applications tools like rapidwiz, adadmin & etc.
- Assisting Programmers in Development process.
- Operating system installation & applying necessary patches.
- RAID Configuration.
- Operating system level auditing & file securities.
- User & group management.
- Writing korn shell & Perl script as per the requirement.
- Operating system level backup & disaster recovery planning.
- Applying patches for OS, Oracle 8i & Oracle 11i.
- Knowledge of Internet Computing architecture.
- Work with OEM, DBArtisan, Toad or ERwin.
- ENVIRONMENT: Oracle 8i Enterprise Edition on AIX, Oracle 11i, Window NT, Solaris 5.x, RS6000, Veritas Volume Manager, Unix Korn shell & Perl scripting, Netbackup, ERwin, Microstrtegy, Cognos.
Confidential, – MUMBAI – INDIA FROM MAY 1999 TO FEB 2002 ORACLE DBA/ INFORMATION SYSTEMS EXECUTIVE
RESPONSIBILITIES AND ACHIEVEMENTS: - Data Ware House- Responsible for conversion of previous years data which is in different formats into a separate standard format.
- Responsible for to setup BI tools like Cognos / Adaytum to give various matrix reports required by users & management.
- Responsible for furthers programming on Sun system as per requirements of users.
- Responsible for user training & troubleshooting.
MIS BUDGETORY
- Responsible for to setup Adaytum Server & clients setup.
- Responsible for data in & out for Adaytum.
- Building D-list, D-cube & D-link as per requirement.
- Maintaining user wise security.
- Give user training & trouble shooting the problem.
- Publish output in web compatible.
- To setup working Adaytum via Excel for user requirement.
- Building a data model for Trial balance sheet, Profit & Loss a/c. to Product wise sales. (With drill down facility).
- Allocating SADA cost using contributor admin.
- Using the Financial BIF to speed up the things.
Oracle DBA
- Responsible for creation of multiple databases. Planning for Logical & Physical layout for the databases.
- Responsible for disaster backup recovery & monitoring tablespace for space management.
- Responsible for data migration using SQL Loader.
- Responsible for OS level kernel parameter setting for database tuning.
- Responsible for user management & give relative access for security.
Unix Administrator (AIX (RS6000) & Sun Solaris)
- Responsible for maintaining the above server covering following activities.
- Network Management, Software installation / un installation, User management, Operation management, Space management, Add / Remove devices.
- Disaster backup recovery planning for OS level.
- Cross platform activities like printing on NT printing server etc.
- Team member for configuration of DNS, NIS, SDK (Software distribution kit) for this server.
- Responsible for OS level auditing & securities as per company standard.
- Worked as team member in setting up of intranet server (Apache Linux based and IIS Windows NT based), which is used for various kinds of MIS reports & other policy related matters.
- Coordinator for International reporting of HR activities like ESOPS & Manpower reporting
- Awarded with GAR (Greater Asia Pacific Region) Chairman’s Quality Award Competition 2000.
- Cash prize for best employee of IS department at BANGKOK meet AUG-2000
- Various letters of appreciation from senior members of the management.
ENVIRONMENT: Sun spark U10, E250, E450, IBM RS6000, Netfinity 5500,Redhat Linux 6.2, Aix 4.3, Sun Solaris 2.6, 2.7,2.8, Oracle 8i, PL/SQL, Cognos, Adaytum, Windows NT, Microstrategy, Visual Basic, Erwin, Vantive (CRM), Tivoli, SAS.
J.K.S. BANK LTD., MUMBAI - INDIAJUNE 1998 to APRIL 1999 Oracle & UNIX Consultant
This is a leading bank in Mumbai.
- Developing, Maintaining & Implementation of Banking software system for there Mumbai branches.
- Responsible for user training on the system.
ENVIRONMENT: IBM RS6000, Netfinity 5500, AIX 4.3, Oracle 7.X, PL/SQL, and Windows NT.
Confidential, – AHEMEDABAD – INDIA
JAN 1997 to JUNE 1998 Oracle DBA & Solaris Admin.
- Project Consultant for Implementing computerization of entire banking Operations of Ahmedabad leading Bank.
- Implementing Oracle application as per client requirements.
Environment: Sun Solaris 2.X, Windows NT, Oracle 7.3, PL/SQL, Oracle 10.X, Cobol, FoxPro 2.5 LAN ver., Clipper, Novell NetWare, MS-Dos, Sun Sparc servers.
Confidential, – AHEMEDABAD – INDIA
JAN 1992 to DEC 1996 GROUP EDP MANAGER
This is a group with diverse interests in industries such as Food & Beverages, Fashion, Financial Services with 28 sister concerns.
- Responsible for design, developing & implementing for 28 sister companies common financial accounting, payroll & inventory system.
- Responsible for complete integrated application development for Share Registrar Application - Covering all Capital market Instruments – Equity, Debentures, FCD, PCD.
- Responsible for data migration.
- Responsible for backup/restore planning.
ENVIRONMENT: Window 95, Oracle 7.X, PL/SQL, FoxPro 2.5 LAN ver., Novell NetWare, MSDOS.
Confidential, – AHEMEDABAD - INDIA
JAN 1990 to DEC 1991 PROJECT EXECUTIVE
Designing, Development, Installation and user training for the complete Banking and other Solutions for projects of many RBI (Govt.) approved commercial Banks.
- Responsible for Coding & implementation of the complete Banking system which include department like Saving, Checking, Deposit, Clearing, Foreign exchange & others.
- Responsible for user training for the system.
- Responsible for solution for RBI requirement.
- Responsible for Daily/Monthly/Qtr. Report designing & coding.
- Responsible for direct interaction with client for troubleshooting.
ENVIRONMENT: Window 95, Oracle 7.X, PL/SQL, Foxpro 2.5 LAN, Novell NetWare, MSDOS & Cobol.