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Mansoor Ahmad

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Last update: 26.02.2019

Database Administrator

Graduation: Master in Computer Sciences
Hourly-/Daily rates: show
Languages: English (Full Professional)

Skills

  • Overall 8+ years of IT experience as a DBA on a variety of Unix (Linux, AIX), Windows platform having in-depth expertise with all facets of ORACLE 9i/10g/11g/12c Database design, administration, Production support, Installation, Configuration, Patches, Migration, Performance Tuning, Backup and Recovery, Cloning, Space Management, Database security, File System Management and Monitoring.
  • Professional Certification – OCA DBA 10g.
  • Working experience in Oracle Backup & Recovery methodologies using complex RMAN Backup/Recovery, Import/Export, Oracle Data Pump and  data loading using SQL *LOADER.
  • Implementation of High Availability solutions with Oracle Data Guard, Oracle Real Application Clusters (RAC) and Oracle ASM (versions 10g/11g/12c).
  • Administration of Weblogic Server 7/11g/12c and Oracle IAS 10g in different OS environments.
  • Installation and management of Oracle Enterprise Manager DB/Grid Control/Cloud Control 13c.
  • Experience in Database performance tuning and SQL Tuning.
  • Strong Application Development experience using ORACLE DEVELOPER  6i/10g and extensive experience of creating complex functions, stored procedures, database triggers, packages in PL/SQL using SQL *Plus, Toad etc.
  • Experience in administering MS SQL Server 2005-2016; creating databases, backup/restore, managing user and security, import and export data.
SQL Server’s DR implementation using Mirroring/Log Shipping etc.
  • Oracle Application DBA support, applying patches, multi-tier installations, cloning, and Apps DB daily backup and recovery tasks.
  • Administration skills of Red Hat Linux/Oracle Enterprise Linux, IBM-AIX, Windows, Solaris shell scripting.
  • Excellent English and communication skills.

Project history

April 2015 – To date   Askari Bank Limited, Pakistan
                              AMG (Database Administrator)
Job Description:
  • Overall maintenance and administration of Clustered Oracle 11g/12c (RAC) Flexcube and its Reporting databases on Red Hat Enterprise Linux 6/7 platform for OLTP applications in production environment with Oracle ASM. As well as administration of important databases like Askari Credit card, IRIS, HOTSCAN and other dozens of other databases.
  • Implementation and administration of Oracle 11g/12c Active Data Guard.
  • Designing and administering backup and recovery procedures using RMAN as well as Oracle Data pump.
  • Installation, configuration and monitoring of Oracle Grid Control 11g/Cloud Control 12c and monitoring of all databases and applications.
  • Management, backup configuration and administration of Oracle Enterprise Manager Cloud Control 12c.
  • Administration of all Weblogic application including Flexcube applications.
  • Managing and administering Oracle EBS R12 databases and Applications. Cloning and Backup/recovery of Oracle EBS R12 DB/Apps nodes from production to development/test servers.
  • Monitoring and administration of SQL Server 2008-2016 databases including Backup/Restoration, Log Shipping, Mirroring, and other daily tasks.
Dec 2012 – April 2015 Maple Leaf Cement Factory Ltd., Pakistan
                              Deputy Manager I.T (Database Administrator)
Job Description:
  • Overall maintenance and administration of Oracle 10g/11g databases on Red Hat Enterprise Linux 4/5 platform for OLTP applications in production environment with Data Guard and Oracle ASM.
  • Implementation and administration of Oracle 11g Active Data Guard (primary in plant-standby in HO and vise versa).
  • Upgraded and migrated all Oracle 10g databases to 11g.
  • Designing and administering backup and recovery procedures using RMAN as well as Oracle Data pump.
  • Tuning of database and SQL code and assisting developers in writing and tuning SQL queries.
  • Installing, configuring, creating and managing Virtual machines using VMWare ESXi Server 4.
  • Managing and administering Oracle EBS R12 databases and Applications. Cloning and Backup/recovery of Oracle EBS R12 DB/Apps nodes from production to development/test servers.
  • Oracle Application DBA support, applying patches, multi-tier installations, automatic routines DBA task, oracle support dealing with functional , developers and end users.
  • Successfully upgraded Oracle e-Business suite Database/Application from release 10.2.0.2/12.0.6 to 11.2.0.3/12.1.3 with Oracons Consulting team on Linux RedHat 4.5.
  • Administration and monitoring of Oracle iAS 10g on RHL.
  • Also served in Windstream USA as a Remote DBA.
Mar 2011 – Dec 2012   National Clearing Company of Pakistan Limited
                              Database Administrator
Job Description:
  • Administration of Oracle 10g databases on Linux, IBM AIX platforms for Data Warehousing, OLTP applications in production, Standby/Data Guard, Staging and development environments.
  • Creating and administration of Oracle Data Guard.
  • Implemented Oracle Vault and Syslog auditing as per company Security compliance.
  • Monitoring all databases and also performs ongoing tuning of the database instances and SQL Tuning/ DB Tuning.
  • Creating and Managing complex database objects like table and index partitioning and optimizing them for performance benefits and tuning SQL code/queries.
  • Plan and implement backup and recovery procedures using RMAN.
  • Implement and maintain database security (create and maintain users and roles, assign privileges) and also plan growth and changes (capacity planning).
  • Provide technical support to application development team and creation and maintenance of database links across different databases.
  • Synchronize the test/Dev databases periodically by cloning the data from the production databases using conventional methods as well as RMAN.
  • Monitoring and Administration of Weblogic Server 7 and Oracle Weblogic 11g.
  • Working with Oracle Technical Support to resolve any Oracle related problems and contact Oracle support MetaLink if required.
Sep 2008 – Feb 2011    Premier Software Pvt. Ltd. (A Marine Group of Company)
                              Application Developer cum DBA
Job Description:
  • Designing, development, implementation of new and existing applications using Oracle Developer 6i/10g.
  • Creating complex stored procedures, PL/SQL libraries and triggers on database level as well as on Oracle Forms and Reports 6i/10g.
  • Handling DBA level activities like User rights, import/export backup and performance tuning of Oracle Databases on client side.
  • Administration and maintenance of production databases in all Group Companies.
  • Upgrade/migration of all the databases at Marine Group of Companies from Oracle 8i/9i to Oracle 10g.
DBA                      Premier Software Pvt. Ltd.
  • Deputed in Trade Development Authority of Pakistan (TDAP) as a Database Administrator.
  • Responsible for development, customization and overall Oracle Administration like Oracle installation, database creation & configuration, application maintenance, user creation and rights, performance tuning, RMAN backup & Recovery of Expo Management System.
  • Deputed in Mitsui & Co. Ltd. in Lahore and Islamabad as a Database Administrator.
  • Responsible for the overall development and database administration of Finance Management System, Inventory and HR/Payroll system.
Software/Products:
                              Inventory Management System         Finance Management System
                              Hospital Management System           Shipping Management System
Jun 2007- May 2008     Millennium Software Pvt. Ltd.
                              Software Developer
Job Description:
  • Development, customization, support and implementation of HRMS & Payroll Software.
  • Developed a large number of reports using Oracle Reports 6i/10g.
  • Involved in migration of HRMS and Payroll system from Oracle 8i/6i to Oracle 10g.
  • Resolving client issues and user training and providing technical support.
  • Maintenance and configuration of Oracle databases, User privileges, Import/Export and Data Loading on client side.
Aug 2004 -Mar 2005   iFAST Pvt. Ltd.
                              Internee + Student (Part Time)
Job Description:
  • Developed new forms and reports for Inventory Management System using Oracle 9i as a back-end and Oracle Developer 6i as a front-end.
  • Learned administering Oracle databases on Linux/Windows, Import/Export, backup/recovery and other development and administration tasks of Oracle database related.
  • Learned Database administration skills.

Local Availability

Only available in these countries: Pakistan
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