Principal Database Administrator/team Leader Resume
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Needham, MA
SKILL SUMMARY
- 21 years of IT industry experience with major emphasis on Oracle RDBMS
- 15 years of experience with Oracle databases under different Unix environments like HP, SUN
- Oracle version 7.x, 8.0,8i,9i & 10G certified professional
- Strong technical and management educational background coupled with good communication skills
- ERP package Oracle Data Ware Housing, Oracle 11i (11.5.10.2), Oracle Warehouse Builder (OWB 9.x)
- Oracle DBA, backup and recovery under replicated environment, tuning Oracle databases.
- Oracle databases upgrade from version 7.x, 8x, 8i,9i to 10g and 10g to 11g
- SQL/Plus, PL/SQL, Pro*C, Sql*Net, SQL forms.
- All phases of system development - User requirements Systems Analysis, Design & Implementation.
- Data Modeling (Erwin case tools), Physical & Logical Database Design.
- Technical documentation and giving in house seminars on Oracle database
- Knowledge about Veritas Cluster System (VCS) and SUN cluster system
- Supervision, Resource hiring and technical reviews
- Managing off-shore and out-sourcing DBA teams with leadership qualities
- Working knowledge of 10g RAC
WORK EXPERIENCE
Confidential, Needham,MA
Principal Database Administrator/Team Leader
Responsibilities:
- Creating new Oracle 8.0,8i, 9i, 10g and 11g databases in a VCS and SUN clustered environment
- Upgrading databases from different Oracle versions like 7.3.x, 8.0,Oracle to 9i & 10g and 11g
- Tuning different versions of Oracle databases 7.3.4, 8.0.6, 8.1.7,9i,10g and 11g
- Refreshing development and test environments from production data from time to time
- Migrated databases from Sun Sparc server to Sun X86 servers
- Responsible for development and production databases (24x7) support
- Written shell script for Oracle Transportable Tablespace to move schemas
- Written shell scripts to perform various functions/monitor Oracle 8i,9i & 10g databases using cronjob
- Scheduling AWR/stats pack and other customer reports using dbms scheduler/cronjob
- Creating new users, request sets, applying patches for Oracle EDW and Oracle Financials (11.5.10.2)
- Created/upgraded new Siebel (2000) call center database from 7.x to 8i and 8i to 9i and 9i to 10G
- Troubling shooting Apache, Concurrent manager issues on regular basis
- Cloning development and test Oracle 11i environment from production
- Installation, upgrades and applying patches to 11.5.10.2 environment
- Working on modules AR, AP, HR, GL, Order Managemen, iProcurement, iTime, iExpense etc
- Tuning Oracle Financials custom code and creating appropriate indexes
- Created Oracle (EDW) Enterprise data-ware housing database that takes feed from Oracle Financials
- Applying critical Oracle database security patches
- Replicating data using materialized views
- Performed backup and recovery using RMAN
- Creating documents and maintain Sarbanes Oxley requirements
- Creating project plans for applying patches, upgrades and other activities
- Recommending hardware and its capacity utilization
- Leading outsourcing and off-shoring team of DBA’s
- Installing Oracle Management Server (OMS) and using Oracle Enterprise Manager
Confidential
Database Administrator
Responsibilities:
- Creating, deleting and modifying Oracle and Unix users.
- Monitoring daily Unix and Oracle activities on production and development servers.
- Upgrade Oracle databases development and production from 7.3.2.1 to 7.3.4.
- Tuned Oracle production database for various daily and month-end reports.
- Achieved performance improvements of more than 90% on production database.
- Interaction with the end users.
- Promoting software/upgrades from development environment to production.
- Written Backup & Recovery scripts using shell programming.
- Upgrade HP UX from 9.04 to 10.20 on HP K410 and 887S.
- Apply all kind of HP UX patches (Y2K Compliant) on all the servers.
- Evaluating, recommending and upgrading of existing hardware (capacity planning and storage allocation).
- Creating new users, adding new printers, etc. for all the Unix systems.
- Performed tuning on HP UX 10.20 (Kernel parameters) for Unix and Oracle
- Installation of Oracle version 8.1.4
Confidential
Database Administrator
Responsibilities:
- Installed HP UX 10.10 and 10.20 on HP UX family of servers (E-25, H-30, G-30 and D-250)
- Installed Oracle 7.2.2.4, 7.2.3, and 7.3.3.4.1 under HP UX 10.20
- Installed Oracle Context on Oracle 7.3.3.4.1
- Created Oracle databases using Oracle 7.2.2.3, 7.2.3 and 7.2.4
- Wrote and modified scripts for Oracle replication
- Wrote scripts for backup/recovery under replicated environment
- Led Unix upgrade (ver. 9.04 to 10.20) project from Development to QA to Production
- Wrote scripts for database tuning
- Created manuals including Oracle Installation Manual, Server Installation Manual and Unix upgrade
- Evaluated, recommended and upgrade existing hardware
- Organized and evaluated third party database monitoring tools
- Wrote scripts in PL/SQL, SQL/Plus for database tuning.
- Worked on existing data model using Erwin version 3.0
- Wrote and modified K shell scripts
- Organized and delivered in house seminars on Oracle database
- Installation of Oracle 8.03 under HP UX 10.20
Confidential
Developer consultant/DBA
Responsibilities:
- Wrote reports for Financial Auditing department using PL/SQL using Oracle 7.2.2.0
- Wrote PL/SQL procedures for remote database calls
- Wrote programs in Pro*C for updating billing database
- Recommended changes to Oracle database (denormalization) for performance
- Provided support to DBA (Creating new tables, indexes etc. for billing database)
- Wrote PL/SQL procedures for daily, weekly and monthly reports
- Wrote shell script for various reports
- Created tables, indexes for various kind of reports
Confidential
Systems Analyst/DBA
Responsibilities:
- Wrote programs in Cobol under SCO XENIX
- Converted Cobol/flat files applications to Oracle database
- Created data model using Erwin case tools version 2.3
- Installed Oracle 6.0 and performed DBA functions
- Involved in full SDLC (Physical & Logical data modeling) for conversion of apparel quota package to Oracle
- Studied, designed, developed Financial Accounting, Human resources package
- Wrote various reports using SQL/Plus, Pro*C, PL/SQL
- Used front end tool Oracle forms 2.3 and 3.0 to develop various in house applications
- Upgraded Oracle database from version 6.0 to 7.0
- Actively involved with end users
- Responsible for hiring EDP resources, annual reviews
- Studied designed and developed Financial Accounting and Payroll package
- Wrote programs under Micro Focus Cobol
- Actively involved with end users
- Responsible for hiring of resources, annual reviews and day to day management functions
- Written and modified programs for Financial Accounting (Day books, Ledgers, Accounts Receivables and Payables, Trial balance, Balance sheet) and Sales Accounting package
- Designed, developed and implemented the human resources package
- Responsible for annual reviews/hiring
- Converting current packages from BASIC language to COBOL
