Manpreet Bajwa
PROFESSIONAL SUMMARY
> More than 7 years of experience as an ORACLE DBA (8i/9i/10g/11g) on
different UNIX environments like - AIX, Linux, HP-UX, Sun-Solaris and
Windows 2000/NT.
> Experience in Installation, Upgrades and Patches. Duties included
database creation, tuning/reorganization, cloning, backup/recovery,
user and security management, auditing, general troubleshooting, and
configuring servers.
> Designed logical and physical Data Models using ERWIN forward-
engineered into DDL and executed on large scale to create database.
> Experience in Upgrade and Migration of Oracle database to higher
version and other platforms using Oracle Data Migration Assistant.
> Trained on oracle Real Application Clusters (RAC) technology on 4
nodes. Runtime connection load balance.
> Extensive experience working on 10g Grid controller.
> Great OID working knowledge.
> Strong Knowledge of SQL/PLSQL Code.
> Experience with the forward and reverse engineering using Erwin.
> Experience in database Partitioning.
> Experience on Oracle Data guard and Oracle Streams (Advanced
Replication) for high Availability.
> Designed and implemented backup and recovery strategies. Extensively
used conventional and RMAN for backup and recovery. Experience in
advanced recovery methods like PITR and TSPITR. Logical backup using
and full/ partial export/import and Data Pump.
> Supported the system 24x7. Ability to work beyond regular hours.
> Installed and configured Oracle 10g (10.2.0.2) Database on HP-UX and
Linux advance Server on Development, Test and Production boxes.
> Efficient in Performance Tuning of database, instances, SGA, I/O, and
Rollback segment using different methods and detecting locks.
> Loading the data from flat files into tables using sqlloader and ETL
tools like pervasive.
> Efficient in SQL query Optimization using explain plan,
Utlbstat/Utlestat, TKPROF reports, gathering statistics, pinning the
objects, Running scripts.
> Experience in working with OLAP and OLTP.
> Knowledge of shareplex.
> Experience in development and operation of Unix shell scripting.
> Experience in Full Life Cycle of database administration. Worked both
as a development and Production Support DBA.
> Experience working with Oracle 11g installation, configuration, backup
recovery etc
> Experience working with Oracle Streams & Data guard.
> Troubleshoot Database performance issues using Automated Workload
Repository (AWR) and Automatic Database Diagnostics Monitor (ADDM).
> Extensively used Oracle Enterprise Manager (OEM) for maintaining and
monitoring multiple databases.
EDUCATIONAL QUALIFICATIONS
Education: Bachelor of Engineering in Information Technology from Punjab
Technical University, INDIA.
TECHNICAL SKILLS
OPERATING SYSTEM: HP-UX, AIX 4.3/5.1, LINUX (Red Hat Enterprise
Server), Sun Solaris UNIX, WINDOWS NT
DBMS: ORACLE 8i/9i/10g, DB2/UDB, RDBMS
TOOLS: Oracle Migration Workbench, SQL-Backtrack,
Platinum - Performance Monitor, OEM, Power
Designer, Erwin, TOAD, DBArtisan, SQL* Loader,
Crystal reports 2.5
LANGUAGES: SQL, PL/SQL, UNIX Shell scripting, PERL
PROFESSIONAL EXPERIENCE
Family Medicine Centre, Bellevue, Washington
Duration: Dec 08 - till date
Position: Oracle DBA
Electronic Medical Record (EMR) Application is used by the physicians to
electronically record patient's health history. The system records the
patient's personal information, symptoms, problems, allergies, medication
notes and other related information.
Responsibility:
> Managing production, development, staging & QA databases of
different versions 9i/10g/11g on Sun Solaris, HP-UX & Linux.
> Installed and configured Oracle 10g Database on HP-UX and Linux
advance Server on Development (& Windows 2003), Test and Production
Systems.
> Installed and configured Oracle 11g Database for Development
purpose.
> Created and maintained Databases and their objects like tablespaces,
tables, indexes, views.
> Configured Oracle Enterprise Manager & Administered Database Using
OEM.
> Involved in performance monitoring and tuning of the database by fine
tuning the database implementation.
> Scheduled jobs to run on daily/weekly/monthly basis.
> Performed heavy data transfer using import/export utility and data
pump.
> Performed heavy data loads using SQL*Loader.
> Performed RMAN and user managed backup also hot /cold backups
> Identified and solved performance problems using Automated Workload
Repository and Automatic Database Diagnostics Monitor.
> Generated Monthly Metrics for Database performance & Activity
Review.
> Maintained and monitored multiple databases using Oracle Enterprise
Manager 10g Grid.
> Designed and Implemented database security using Oracle roles and
privileges.
> Creating database objects like tables, views, synonyms, triggers,
procedures, links etc.
> Created documents for company specific environment of Database &
servers.
Environment: Oracle 11g/10g/9i, HP-UX B11.23, SunOS 5.10, Linux 2.4.21,
2.6.9, Toad, OEM 10g Grid Control, Tkprof, Explain Plan etc,
Avaya, Baskin Ridge, New Jersey
Duration: Aug 08 - Dec 08
Position: Oracle DBA
Avaya designs, builds, deploys and manages Communications Network for
variety of private businesses and Government entities. They provide both
Voice and Data communications over LAN and WAN networks. It is deployed
across multiple locations and managed from a central point.
Responsibilities:
> Worked on 3 node RAC environment for Development DB's.
> Understanding the existing Database Structure and suggesting the
Database Reorganization.
> Involved in designing and creating schema objects like Database
tables, indexes, views, and synonyms.
> Granting and Revoking privileges and roles to the users on different
objects depending on their work requirement and providing the
necessary security to the database.
> Importing and exporting files, databases, schemas and tables using
SQL loader and utilities like Import, Export and Data Pump features
of Oracle database 10g.
> Production Support and Database Monitoring for performance of
Databases.
> Tuning database server and application logic for performance
improvement by using Explain Plan and TKPROF.
> Developed technical documentation for disaster recovery
> Gathering Statistics using the DBMS_STATS Package.
> Scheduled various database jobs using DBMS_SCHEDULER packages.
> Generation of the AWR (Automatic Workload Repository) Reports and
using them for tuning the database.
> Creation of Shell Scripts to automate the Data Loading process and
for automation of various Database Monitoring activities.
> Hands on experience working with Oracle Grid Control Environment.
Environment: Oracle 10g, IBM-AIX, Red Hat Linux, OEM 10g Grid, Toad,
Erwin, TKprof, DBArtisan, Statspack etc.
Prequel Solutions, McMurray, PA
Duration: Sept 07- Aug 08
Position: Oracle DBA
Developed a Web based application for TEGG Cooperation whose core business
is protecting commercial and industrial facilities from electrical system
failures, electrical fires and resultant business interruptions and
property damage through the implementation of unique and comprehensive
electrical preventive and predicative maintenance function.
Responsibilities:
> Installation and configuration of Oracle Database Software 10g & 11g.
> Creation and Configuration of Oracle database.
> Performed the Pre-migration task for RAC & Standalone Database.
> Worked on RAC on Red Hat Linux Advanced Server with 4 nodes server side
load balancing using Automatic Storage Management
> Worked on Physical as well as Logical Data modeling.
> Export & import data from Oracle 10g to Oracle 11g for Development
Purpose.
> Performance tuning of SQL queries and advising the application
programmer of the opportunities in tuning the application.
> Involved in performance monitoring and tuning of the database by fine
tuning the database implementation.
> Designed and Implemented database security using Oracle roles and
privileges.
> Troubleshoot Database performance issues using Automated Workload
Repository (AWR) and Automatic Database Diagnostics Monitor (ADDM).
Tuned database for optimum performance.
Environment: Oracle 10g/9i, RAC, RMAN, OEM, Functions and Triggers, SQL
Tuning, PL-SQL, Stored Procedures, Erwin, TOAD, PERL, Windows 2003 Servers.
Allstate Insurance,Illinois,USA
Duration: March 07- Sept 07
Position: Oracle DBA
Allstate based on Northbrook, Illinois is one of the nation's leading
insurers and has supported auto and highway safety reforms including seat
belts, air bags and teen driver education. It receives batch files from
mainframe machines on schedule dates. The data is loaded in Oracle Database
and I performed 10g installation and maintained the database.
Responsibilities:
> Written Stored Procedures and Triggers for database maintenance and
management using PL/SQL.
> Communicate and coordinate with Oracle using TAR system for major
database issues/ problems; apply the required patches, test (unit test/
system test) and roll out and implement the patches into production.
> Involved in disaster recovery planning; detailed out the processes and
procedures of implementing disaster recovery; implemented database
backups and disaster recovery strategies using RMAN.
> Installing and Configuring from Oracle 9.2.0.1.0 (9i) database to
Oracle 10g.
> Worked on Oracle Streams (Advanced Replications) and exchanged data
between two databases in remote locations.
> Proactively managed the databases; set up alarms for managing any
exceptions in day to day management of the databases; pre-empted and
prevented issues disasters from happening.
> Upgrade the data's from Existing Oracle 9i to Oracle 10g and Migration
of database (from 9.2.0.5 to 10.2.0.1).
> Successfully implemented physical standby database using Oracle Data
Guard feature for High availability configuration.
> Successfully configured the databases to switchover, failover and
fallback scenarios.
Environment: Oracle 9i/10g, UNIX, SUSE Linux, SUN Solaris 2.7, ERWIN,
DB2/UDB, OEM, TOAD, RMAN, DB ARTISAN.
Merrill Lynch, Hopewell, New Jersey
Duration: June 06-Feb 07
Position: Oracle DBA
Merrill Lynch is a global financial services firm that, through its
subsidiaries and affiliates, provides its products and services to a large
and diversified group of clients and customers, including corporations,
governments, financial institutions and individuals. It operates its
business trough four segments: Institutional Securities, Individual
Investor Group, Investment Management and Credit Services
Responsibilities
> Installation of Oracle 8i/8.x/7.x and other Oracle tools. Part of
the team in testing the compatibility and portability of application
on Oracle.05 by migrating whole application and database from 7.3.2
to 8.05.
> Configured OEM to monitor the databases.
> Planning and troubleshooting Rollback segments.
> Database Security Administration involving creation of users,
managing their roles and privileges.
> Worked in backup and recovery group responsible for disaster
recovery and standby database.
> Used RMAN for backup & Recovery and validated the backups.
> Developing and Tuning SQL, PL/SQL triggers.
> Administered Linux/Windows Systems
> Gained experience in loading data using SQL*Loader.
> Performed capacity planning and sizing of databases based on input
from business.
> Export & import data from Oracle 10g to Oracle 11g for Development
Purpose.
> Partitioning of large tables.
> Created and managed the server parameter file. Created the text
parameter file from the spfile.
Environment: ORACLE 8i/7.x, Sun Solaris UNIX, Windows 2000/XP, SQL,
SQL*Loader, OEM PL/SQL, TOAD.
Comcast Corporation, Philadelphia, PA
Duration: Feb 05- May 06
Position: DBA
The Comcast Corporation's principal activity is to develop, manage and
operate broadband communications network. It operates into reportable
segments: Cable and Content. Cable segment develops, manages and operates
broadband cable systems including video, high-speed Internet and phone
services. Video services include Basic and expanded programming, Premium
channel programming, Pay-per-view programming and Digital cable. High-
speed Internet service helps subscribers to connect their personal
computers via cable modems to access online information. It also provides
regional sports and news networks. Content segment provides services
through six national cable networks such as E! Entertainment Television,
Style Network, the Golf Channel, OLN, G4 and AZN Television. On 31-Dec-
2006, the Group served more than 24.1 million video subscribers, 13.2
million high-speed Internet subscribers and 4.6 million phone subscribers.
Responsibilities:
> Upgrading and migrating database from Oracle 8i to 9i version.
> Design and support complex distributed and replicated database
architecture.
> Creating tablespaces and database files based on the OFA model.
Implemented physical database design after sizing tables and indexes
and creating tablespaces taking into account I/O load distribution.
> Extensively involved in design physical and logical models of the
database.
> Locally managed tablespaces were used which track all extent
information in the tablespace itself. This results in improved
performance as it eliminates recursive operations and reliance on data
dictionary.
> Performed SQL tuning by using Explain Plan and Tkprof
> Making structural changes to the databases when database design
changes are to be implemented.
> Setting up of RMAN environment
> Implementation and maintenance of read only snapshots and snapshot
logs
> Create and maintain staging database environment as well as standby
database.
> Performance tuning for Oracle Real Application Clusters (RAC).
> Refreshing development/test database from production using
Export/Import. This is done so that the latest data is available in
the development/test database.
> Developing UNIX shell scripts, Ant scripts and SQL scripts to carry
out routine checks on databases. This includes checking whether all
databases are running, listener is running, Unix error messages, disk
space availability, segments with greater than 10 extents, segments
nearing max extents, checking for errors in alert logs and trace
files, etc
Environment: Oracle 8.1.6 /9i, HP-UX 10.2/11.0, HP 9000, Windows NT 4.0,
Erwin, Oracle Replication Manager, Export/Import, Unix Shell Scripts,
TOAD, Tkprof and SQL*Net/Net8.
Central Bank of India, Punjab, India
Duration: April 04 - Dec 04
Position: Database Administrator
Central Bank of India was the first Indian commercially bank which is
wholly owned and managed by Indians. The bank has large number of branches
as also the number of saving and other innovative service offered. The
total number of customers is around 25 million is one of the largest in
banking industry.
Responsibilities:
> Prepared test plans and data, and user documentation for customers.
> Developed front-end development.
> Performed front-end coding (Triggers and Procedures).
> Grasp wide understanding of client server architecture
> Improved Oracle PL/SQL procedures and triggers.
> Backup, Export/Import, Database security, disaster recovery and
various database issues.
> Helped developer to install Oracle Client, troubleshoot and
establish the connection to Oracle database through ODBC, JDBC.
> performing the database import/export of schemas on different
databases
> granting the read only privileges on different schemas on different
databases
> Running the scripts on different databases sending by development
team members.
> Verify the blocking objects and killing sessions.
> Bouncing the database as per client request.
> Managing the TNSNAMES.ORA file
> Performance tuning of SQL statements using STATSPACK, TKPROF,
Explain Plan and SQL Trace.
Environment: Oracle 8i/9i, Red Hat Linux, TKPROF, STATSPACK, OEM, PL/SQL
etc.
Nestle India Ltd, Punjab, India
Duration: Jan 02 -April 04
Position: Jr. Oracle DBA
Nestle India Ltd is a vibrant company that provides customer in India with
product of global standard and is committed to long term sustainable growth
and shareholder satisfaction.
Responsibilities:
> Part of team for Database design development, Testing &
implementation.
> Maintaining the database availability and security
> Involved in maintenance & updating the database
> Manage several heterogeneous database instances
> Created Oracle tables in Oracle, Partitioned tables, Created
Indexes.
> Trained on Data modeling using Erwin data modeling tool.
> Recommend alterations/enhancements to improve database optimization.
> Troubleshoot, diagnose and resolve complex database problems;
ensuring high performance operation and minimal disruption of
business critical systems.
> Planning, designing and implementations of strategies for backup &
recovery
Environment: Oracle 8i, Sun Solaris UNIX, AIX, Red Hat Linux, Database
Tools/Utilities, Erwin.