1. MOHAMMAD ABDUS SAMAD
1000 North 4th Street • Fairfield, Iowa 52557
641.451.7997 • mohammad.samad80@gmail.com • www.linkedin.com/in/mohammadsamad
ORACLE DATABASE ADMINISTRATOR
PROFESSIONAL SUMMARY
 7 years of in-depth experience in Data Modeling, Data Architecture and Database Integration, Database
Administration - Oracle (11g/10g/9i)
 Oracle 11g RAC, ASM, GoldenGate replication, Stream, Data Guard (Physical, Logical standby), OEM
12c/Grid Control, RMAN, Installation, Upgrades, Migrations, Performance Tuning Experience
 Database systems monitoring and tuning using OEM Grid Control and also Tuning of Database, Block Level
efficiency, Index re-organization, SGA tuning, AWR, ASH, ADDM, Statspack
 Experience in GoldenGate 10x, 11.1 implementation, Upgradation, Performance tuning GoldenGate extract
and Replicats processes for real time database replication.
 Database Upgradation, Migrations using traditional way (DBUA, Manual and export/import) as well as non-
traditional way (Transportable table spaces).
 Experience with RMAN to implement Backup/Recovery strategies and clear understanding of the data
structures and architecture provided by Oracle for Recovery in all kinds of Disasters.
 Oracle Database Administration (11g/10g/9i) experience in variety of different environments Such as Linux,
AIX, SUN SOLARIS and Windows.
 Data movement (import/export, data pump, SQL*Loader)
 Experience to write Optimal SQL Query, PL/SQL Scripting.
 Maintained large (4TB) database
 UNIX/LINUX systems administration and installation and shell scripting.
 ETL, Informatica, Data Warehousing (Star Schema, snowflake Schema) Dimensional Modeling. Cube,
Rollup Query & Materialized View.
 SQL Server (2005/2008) Database Administration.
TECHNICAL SKILLS
Databases: Oracle 12c, 11g, 10g, 9i, MS SQL Server 2005, 2008, MySQL
Database Administration: Oracle Database 9i, 10g, 11g, Oracle 11g RAC, Oracle 10g, 11g Data Guard, Oracle
GoldenGate 10g and 11g, OEM 12c Cloud Control, Oracle Streaming, RDA, SQL Server 2008 and 2012, SQL Server
2008 Replication, Log Shipping, Mirroring & Cluster, MySQL 5.1.
Tools: Oracle VMBox, SQL*Loader, TOAD, Oracle SQL Developer, Informatica Power Center, Pentaho, ETL,
Hadoop - MapReduce, Hortonworks, Eclipse, MS Visual Studio, MS Visio, UML Design
Languages: C#.NET, Visual Basic 6.0, Cristal Report 9, Java, Shell Scripting (Bash & C Shell)
Web: HTML, CSS, JavaScript, ASP.NET.
Solution: Data Warehouse, Data Mining, Big Data
Platforms: Red Hat Linux, Oracle Linux, AIX IBM, SUN Solaris, Windows Server.
PROFESSIONAL EXPERIENCE
CAREER NOTE: Completed on-campus studies and currently taking distance education courses to complete a
Master's Degree in Computer Science (Available for full-time, W-2 employment).
BRAC IT SERVICES LTD, Dhaka, Bangladesh • 2013-2014
IT solutions company providing technology management services. A BRAC Bank company.
Database Administration Solutions / Associate Manager
Directed team data monitoring protocol. Implemented, Administration of numerous Oracle systems (RAC, Data
Guard, OEM Cloud 12c, Goldengate, DB Vault, Applying Patch and so on). Built and synchronized backup system.
Established severe problem/disaster recovery process. Archived data. Evaluated SQL, PL/SQL scripts and
recommended execution in live. Updated systems. Logged events. Trained new employees.
• Oracle Security DB Vault for BRAC Bank Limited (BBL) Implementation: Planed, Developed realms and
segregated administrator power. Designed and distributed roles with least-privileges basis.
 Planed and recognized granted privileges to the roles.
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2.  Configure realms, rules set and command rules, Factors.
MOHAMMAD ABDUS SAMAD • Page 2 • 641.451.7997 • mohammad.samad80@gmail.com
• Oracle 11g RAC Implementation for BRAC Bank IB (Internet Banking): For the better customer support and
service they introduce Internet banking solution. To maintain huge number of customer request from internet
 Implemented Oracle 11g R2 real application cluster (RAC) with Grid Infrastructure (GI) and ASM
 In GI architecture maintained and managed CRS and VOTING disk in ASM file system
 Configured data files and flashback area for maximum H/W performance (I/O)
 Configured and maintained RMAN and Data pump backup as per Bank requirement for daily basis backup
 Introduce/configure Oracle 11g Active Data Guard for reposting purpose
 Optimize redo log file for managing network bandwidth
 Create/configure cluster service for specific application purpose
• Implemented Oracle 11g RAC for BBL IRIS project: Deployed 3 node for debit card system migration. Worked
with network team to establish system plan/network requirements. Installed grid infrastructure and ASM instance
with storage.
• Implemented Oracle 11g RAC to RAC Data Guard for BRAC Bank Limited IRIS project: Planned, Configured and
Implemented RAC to RAC Data Guard for Payment switching solution. IRIS is the international switching
solution for Rupali Bank ATM.
 Implemented Oracle 11g r2 Restart home with ASM
 Installed, configured and patched grid infrastructure, Oracle 11g database in Linux platform, for load-
balancing at storage level as well as data access level we use ASM
 Configured physical standby database with maximum performance mode
 Add different network for redo shipment
 Configure data-guard broker for automatic fail-over and smooth switch over from 3 nodes instance standby to
3 node primary
 Convert Physical standby to snapshot database for live time application testing.
 Test switch-over and fail-over.
Technologies Used: Languages: SQL, PL/SQL; Databases: Oracle 9i, 10g, 11g, MS SQL Server 2005, 2008,
MySQL, DB2; Tools: TOAD, Oracle PL/SQL Developer, MS Project Professional, MS Visio, UML Design, Oracle
VMBox; Platforms: Windows Server 2003, AIX IBM, SUN Solaris, Linux, Red Hat Enterprise, Oracle Linux.
BRAC BANK LTD, Dhaka, Bangladesh • 2013
Innovative financial institution and retail, corporate, internet, and mobile banking services provider.
Enterprise Database Administrator / Associate Manager
Coordinated database functions, documentation, requirement analysis, equipment configuration, and upgrade
planning for Data Center. Implemented various Oracle systems. Maintained backup processes. Designed and
deployed resilient data center production. Performed upgrades. Collaborated with IT teams for technical support.
• Real Time Replication in Heterogeneous Database System by using Oracle GoldenGate: Duplicated processes
for Oracle/RAC databases, DB2, and SQL server 2005, 2008. Performed real-time replication for reporting in .
 Planed, Configured and Implemented unidirectional GoldenGate processes.
 Creating extracts, data pumps and replicats on production servers, splitting replicats for efficient data transfer
between servers. Performance tuning using BATCHSQL, KEYCOLS, HANDLECOLLISIONS,
CHECKPOINTSECS & troubleshooting extract/replicat ABEND issues.
• Oracle 11g Data Guard for Brac Bank SBS Project: Planned, Configured and Implemented Data Guard for HA.
 Installed, configured oracle 11g database in Linux platform
 Configured single instance physical standby database with maximum performance mode
 Add different network for redo shipment
 Configure data-guard broker for automatic fail-over and smooth switch over from standby to primary
 Convert Physical standby to snapshot database for live time application testing.
 Test switch-over and fail-over
• Oracle Cloud 12c Installation & Configuration: Installed Oracle Cloud 12c target and plug-in. Monitored Oracle
database for OS, SQL Server, MySQL, etc. Configured change management system and customized alert.
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3. • Oracle Audit Vault Implementation: Maintained sensitive financial data with all standard guide lines giving by
company. Consolidated audit logs. Configured target database. Auto-detected unauthorized activity. Provided
enterprise security intelligence.
Technologies Used: Languages: SQL, PL/SQL; Databases: Oracle 9i, 10g, 11g, MS SQL Server 2005, 2008,
MySQL, DB2; Tools: TOAD, Oracle PL/SQL Developer, MS Project Professional, MS Visio, UML Design, Oracle
VMBox; Platforms: Windows, Windows Server, AIX IBM, SUN Solaris, Linux, Red Hat, Oracle Linux
MOHAMMAD ABDUS SAMAD • Page 3 • 641.451.7997 • mohammad.samad80@gmail.com
ADDITIONAL PROFESSIONAL EXPERIENCE
Database Administrator / Developer • MNM TELECOM LIMITED, London, United Kingdom • 2012
Database administration, migration, data guard, performance tuning. Designed data mart/warehouse. Shell scripted
in Linux/UNIX. Implemented Data Warehousing. Executed ETL using PL/SQL, SQL*Loader, Data Pump and
Informatica.
Database Administrator • RAIYAN TELECOM/CARRIER LTD, London, United Kingdom • 2009-2011
Oracle Database Administration, Maintained, Monitored, tablespaces for growth, capacity plan. Backup and recovery
process. Duplicate/Cloned database creation. Shell scripted in Linux.
Software Engineer • ROOTS INFORMATION TECHNOLOGY, Dhaka, Bangladesh • 2008-2009 • Wrote,
debugged, and executed code using C#.Net, ASP.NET. Scripted with T-SQL and PL/SQL. Designed code and
resolved bugs. Installation and manage the oracle, SQL server databases. Performed backup and recovery.
Programmer • DAFFODIL SOFTWARE LTD, Dhaka, Bangladesh • 2006-2007 • Wrote, debugged, and executed
code using VB 6.0, C#.Net, ASP.NET and Cristal Report 9. Amended SQL Server 2000/2005 databases. Modified
SQL data views. Deployed application requirements.
ACADEMIC PROJECTS
• Event Prediction Project: Built application enabling next-purchase predictions to generate recommendations.
Installed Hadoop CentOS and Hortonworks, designing Java jar file. Wrote MapReduce Java program in Eclipse.
• Installation Hadoop Multi-Node Cluster: Employed Oracle Virtual Box in network configuration. Created jar file
and installed Apache Hadoop 2.2 within the 3 node. Utilized Oracle Linux 5.7, Java 1.7, and Eclipse.
• An investigation into consolidating information from heterogenic Databases using Data Warehousing and Data
Visualization Techniques for Raiyan Telecom Carrier Limited (RTCL). Utilized Oracle Database, MySQL, SQL
Server 2005, 2008, TOAD, PL/SQL Developer, SQL*Loader, ETL, Informatica.
• Additional projects include Library Management System, Information Consolidation Database, and Text File
Compression/Decompression Project. Details on request.
EDUCATION
Master of Science in Computer Science, Maharishi University of Management, Fairfield, Iowa
In progress via distance education courses, expected completion: 06/24/2017
Coursework:
Modern Programming Practice • Big Data • Web Application Programming • Software Development and Design
Pattern • Software Testing
Master of Science in Data Warehousing & Data Mining, University of Greenwich • London, United Kingdom
Coursework:
Data Warehousing • Data Mining & Knowledge Discovery • Distributed Data Architecture & Management
Database Tools • Distributed Data Management Technology • Database Architectures & Technology
Enterprise System Integration (with Oracle BPEL)
Bachelor of Science in Computer Science, Daffodil International University, Dhaka, Bangladesh
ADDITIONAL PROFESSIONAL DEVELOPMENT
Full details available on request.
Training:
Oracle 9i Database Administration Fundamentals I & II • Oracle 9i Performance Tuning
Oracle Database 10g: Data Guard Administration • Oracle Database 11g Performance Tuning ED2
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4. Oracle Database 11g: RAC & Grid Infrastructure Administrator Accelerated Release 2
Oracle Database 11g: Administration Workshop II DBA Release 2
Red Hat Enterprise Linux 6: System & Network Administration • SQL Server 2008 Administration & High Availability
Certifications:
Oracle Real Application Clusters 11g and Grid Infrastructure Administrator Certified Expert
Oracle Database 11g Security Certified Implementation Specialist • Oracle Database 11g, 10g, 9i (OCP)
DBA Oracle Database 10g OCA (PL/SQL) • Red Hat Enterprise Linux 6 - RHCSA & RHCE
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