Akram siddiqui(1)
- 1. Akram Siddiqui Mobile: +65-83638621 Telok Blangh Rise 090042 Singapore Email: [email protected] CERTIFICATIONS • Completed Oracle 9i/10g/11g Oracle Certified Professional (OCP) certification. • Completed Oracle Real Application Clusters 11g Release 2 and Grid Infrastructure Administration (OCE) certification. • Completed Managing Oracle 10g on Linux certification. • Completed ITIL V3 Foundation certification. • Successfully completed Information Security Management System from British Standard Institution SUMMARY • Oracle certified DBA with around 6 years of experience in Database Management - Backup & Recovery, Migration, Upgradation, Consolidation, Configuration of Database, Table space administration, Performance Tuning, User management, Index management, managing data dictionary objects, etc. • Lead Business Continuity Process (BCP) activity, Disaster Recovery (DR) activity, patching activity and Monthly, Half-yearly and yearly activities. • Working closely with Application Development group to provide technical support, advice and implementation to the various phases of development (DEV), user acceptance testing (UAT), production (PROD) and disaster recovery (DR) where applicable, for all database systems. • Ensuring compliance with IT security standards, policies and procedures for the installation and secure operations of databases. • Monitoring the availability and health of database systems 24x7 and work with other technical teams including Application Development group and vendors to resolve any database problems as necessary. • Hands-on experience in RDBMS (Oracle 9i, 10g, 11g). • Installed and Configured Oracle Enterprise Manager 11g/12c Cloud Control including database, weblogic and agents. • Knowledge of RAC 10g/11g and its administration. • Upgrade of Oracle Databases including RAC, ASM and standalone databases. • Worked on exp/imp, Data pump, Backup Recovery, RMAN, Cloning, Duplication, database refresh. • Troubleshooting performance issues, AWR, ADDM, ASH, SQL Tuning. • Created and day to day management of Standby Database for Production database on RAC/standalone. • Database monitoring using Cloud control & Nagios. • Experience in writing scripts to record and report the change like free space, datafiles and system static information, database backup, restore, stats gather, index rebuild . • Troubleshooting experience of Oracle network and ORA-errors. Opening Service Request (SR) and coordinated with Oracle to resolve the issues. • 24*7 on-call production database support and maintenance including remote database support. • Excellent coordination within the team, teams of different domains, off-shore team, planning and execution of activities.
- 2. EDUCATIONAL QUALIFICATION • B. Tech. Biotechnology from AMITY University, 2009 AREA OF EXPERTISE • Installation and Administration:- Oracle 9i.10g,11g,12c installation on all major UNIX flavoured operating systems (like SOLARIS, RHEL, Oracle, HP-UX, AIX), and WINDOWS server 2000/2008/2012 • High Availability:- Oracle Clusterware (Grid 10gR2 and 11gR2) Administration, Oracle ASM Lib Disk, ASM, Load Balancing, Data Guard Broker on Physical/logical Standby database. • Backup: - RMAN, duplication, cloning, Exp/Imp, data pumps. BCV, Golden BCV. • Upgradation: - Oracle 10gR2 and 11gR2 Grid, ASM, database upgrade • Migration: - Database migration on Linux, Solaris from HP-UX & AIX from 9i to 11g. • Enterprise Management Tools: - Oracle Enterprise Manager 11g Grid Control, Oracle 12C Cloud Control, Toad installation and configuration. • Performance Tuning: - Basic performance tuning of database, AWR/ADDM/ASH reports and explain-plan generation and performance troubleshooting. • Patching & DR: - Perform & coordinate patching, DR and BCP activities. TECHNICAL SKILLS Databases Oracle 9i/10g/11g/12c, EBS 11i/R12, MS SQL SERVER 2008/2012 Operating System Linux , Solaris, HP-UX, AIX and Windows server 2005/2008 Tools/ Utilities Export/Import, Datapump, Cloud Control, RMAN, ORADIM, ORAPWD, ORAKILL, DBVERIFY, DBNEWID, TOAD, Networker, Nagios, HPSC. OPERATIONAL SKILLS • Weekly/Monthly Dashboard publishing, • QEV-CVN (monthly user id validation) • Audit basic hygiene. • Database hardening, Backup details, Licensing, DB patching, DBA SOP, DB Highlights/Lowlights • Maintaining risk register. • Patch management. • POA • Lean training, Annual report, change management, release and incident management, Root Cause Analysis, ITIL, IT Security.
- 3. PROFESSIONAL EXPERIENCE Jul 2012 – Present Wipro Technologies Database Administrator (Oracle) Client: Credit Agricole Bank – Singapore Project: Production Support Oct 2013 – Present Environment: Windows 2008/Linux/Solaris/HP-UX/AIX, OEM Tools, TOAD, Oracle 9i/10g/11g/12c, EBS 11i/R12, MS SQL Server 2012 Responsibilities:- • Involved in knowledge transfer for transition of new projects (ASIA Databases project) and their stabilization. • Lead various activities like Business Continuity Process (BCP) activity, Disaster Recovery (DR) activity and Monthly, Half- yearly and Yearly activities. • Opening/Closing Service request, RFC and Incident based on their SLA and priorities. • Annual reports, change management, releases and incident management, RCA for incidents and SOPs, Rollback plan for various database activities. • Setup and maintain documentation and standards according to company policy & guidelines. • Coordinating with off-shore teams, Dev & Apps team of various other technologies to provide smooth customer support. • Working closely with Application Development group to provide technical support, advice and implementation to the various phases of development (DEV), user acceptance testing (UAT), production (PROD) and disaster recovery (DR) where applicable, for all database systems. • Ensuring compliance with IT security standards, policies and procedures for the installation and secure operations of databases. • Monitoring the availability and health of database systems 24x7 and work with other technical teams including Application Development group and vendors to resolve any database problems as necessary. • Consolidation of databases/servers to reduce overall cost for the business. Consolidated 100+ databases (including Oracle & EBS) and 40+ servers into total 12 servers. • Installation and Creation of Oracle 8i, 9i, 10g, 11g, 12c databases. • Maintenance and management of multi-terabyte databases on RAC, OS cluster, standalone. • Upgrade Databases from 9i, 10gR2 to 11gR2. • Migration of database from 9i to 11g on heterogeneous platforms (from AIX, HP-UX to Linux, Solaris). • Knowledge of Golden Gate and its administration. • Apply PSU patches on database based on recommendations by Oracle and quarterly patches. • Installation, configuration and upgrading of Oracle software of different releases. • Implementation of Data Guard Broker for critical Production Databases. • Configuring Oracle Data Guard on production for high availability and perform manual switchover. Responsible for physical standby databases design, implementation and maintenance on Linux/Solaris. • Maintaining and troubleshooting Standby database and manual recovery of using with/without RMAN backups. • Database duplication and cloning refresh on weekly/monthly basis as per client requirements using RMAN, cold backups. • Refreshing development/test database from production using Export/Import. This is done so that the latest data is available in the development/test database. • Establish and maintain backup and recovery policies and procedures. Maintaining physical/Logical Backup of the database. • Taking backups and restoration of full/partial database using RMAN, cold backups, export/Import, and networker. • Knowledge of BMC Control M and scheduling of jobs. • Installation of OEM 12C Cloud control and its agents for monitoring over 2500 databases. • Implement and maintain database security by creating different roles, profiles and placing audits. • Perform database tuning and performance monitoring. Generating AWR, ADDM, ASH, explain plan reports and their comparison. Executing and implementing recommendations SQL Tuning Advisor/ADDM reports. Performing general database health checks. • Writing SQL scripts and Shell Script for Backup Planned, index rebuilding and stats gather. • Plan database growth and changes (capacity planning). • Helped developers to install Oracle Client, troubleshoot and establish the connection to Oracle database through ODBC. • Interact with Oracle Corporation for technical support, raising SR and escalations. • On-call support to attend problems on a daily basis and resolve various database-related issues and customer requests.
- 4. • Using Nagios and Cloud Control for monitoring databases and HPSC as ticketing tool. ORACLE EBS:- • Working knowledge of EBS 11i/R12. • Taking backup and restoration of EBS database and application. • Patching database and application using adpatch. • Upgrade application from EBS 11i to R12. • Installation of EBS R12 and creation of new database and application. • Creating or refreshing new instances for development databases. MS SQL SERVER:- • Hands on experience on MS SQL server 2008/2012. • Backup and Restore Database on disk, tape and remote locations for refreshes and restoration. • Production roll outs, creating managing users and their profiles, managing space, truncating log, etc • Create Database for development environments. • Create and schedule jobs/mail alerts. • Creating link server/ODBC connections for ETL from Heterogeneous environment. • Day to day database activity monitoring, troubleshooting and support. • Apply service packs on production environment. • Setup Mirroring and Log Shipping Transaction for production environment. Client: Unitech Wireless, Gurgaon - India Project: Production Support July 2012 – October 2013 Environment: Windows 2005/Linux/Solaris, OEM Tools, TOAD, Oracle 9i/10g/11g RESPONSIBILITIES • Upgrade Databases from 10gR2 to 11gR2 standalone with non-ASM/ASM & RAC with ASM. • Upgrade database from 9i, 10g, and 11gR1 to 11gR2. • Upgraded ASM from 10g to 11gr2. • Performed storage migration (OCR, VOTE & ASM) i.e. from old storage to new storage. • Create and maintain RAC database and clone for production testing. • Migrated databases from file system onto ASM. • Apply PSU patches on database based on recommendations by Oracle support. • Installation, configuration and upgrading of Oracle server software. • Configuring Oracle Data Guard on production for high availability and perform manual switchover. • Maintaining and manual recovery of Standby database. • Oracle Enterprise Manager, 11g/12c Grid Control, installation and configuration. Tune alerts for specific database needs. • Establish and maintain backup and recovery policies and procedures. • Maintaining physical/Logical Backup of the database. • Implement and maintain database security. • Perform database tuning and performance monitoring. • Setup and maintain documentation and standards. • Plan database growth and changes (capacity planning). • Perform general technical trouble shooting. • Interact with Oracle Corporation for technical support. • Daily checkup of database and mailing report to client. • Responsible for logical and physical standby databases design, implementation and maintenance on Solaris.
- 5. • Creating and maintaining logical segments. • On-call support to attend problems on a daily basis and resolve various database-related issues and customer requests. • Helped developer to install Oracle Client, troubleshoot and establish the connection to Oracle database through ODBC. • Writing SQL scripts and Shell Script for Backups, index rebuilding and stats gather. • Refreshing development/test database from production using Export/Import. This is done so that the latest data is available in the development/test database. • Planning and performing hot as well as cold backup, both using RMAN and user managed. • Generating AWR, ADDM, ASH reports from database. Executing and implementing recommendations SQL Tuning Advisor. Performing general database health check and performance tuning. • Managing various level of incidents, implementation of RFC and resolving Service Center tickets. Feb 2011 to May 2012 Birlasoft - India Database Administrator (Oracle) Client: GE (General Electric Company) Project: Production Support Environment: Windows 2003/Linux/Solaris, OEM Tools, TOAD, Oracle 9i/10g/11g Responsibilities • Applied patch to 11g databases to upgrade from 11.1.0 to 11.2.0 and other patches to remove various bugs using Opatch utility. • Worked in a migration project which involves migration of 9i database to 11g database. • Managing production databases on RAC 10g Environment and Standby database, closely monitor all databases and there performance along with team. • Perform installations of Oracle 9i/10g/11g and its client also using silent installation. • Completely implement and manage OEM 11g Grid console server and agents on database servers including RAC and standby database servers for both the business. • Created and manage physical standby database for production environment. • Database refresh/data migration of Development and QA databases using export/import & datapump utility. • Day to day database administration and monitoring and troubleshooting various ORA errors. • Work with Oracle Support and create SR to resolve various issues. • Generate various database related reports like ADDM, AWR, ASH, etc. • Taking full, incremental & archive backups using Rman. • Scheduling RMAN, Cold & Export Backup through Crontab jobs. • Knowledge of resource management like datafile, online redo log files, controlfiles, archive log files. Allocating space to physical and logical storage structure like datafiles and tablespaces. • Basic RAC administration. • Managing databases on ASM storage and adding disks to ASM. • Coordinate with client to work on database cases opened through GE ticketing system. And attending client/offshore team meetings to discuss various database reports and tickets (cases). • Generating administrating reports of Databases on weekly/monthly basis on free space statistics, database growth, CPU & memory utilization. • Basic level of Performance trouble shooting. • Rebuilding indexes. Creating, altering and dropping datafiles, tablespaces, and schema objects in the database. Writing scripts to record and report the change of free space, datafiles and system static information. • Creating the database, tables, tablespaces, data objects, setting privileges, indexes, user logins, passwords, etc. • 24x7 support including off hours support. Business Analysis, Solution design. Monitoring the smooth execution of project for SIT, UAT and Go Live activities June 2010 to Feb 2011 4Isoft Technologies - India
- 6. Database Administrator Client: Keenan & Associates (California, USA) Project: Production Database/Application Support Environment: Windows 2003/Linux, DB Console, TOAD, Oracle 9i/10g, Weblogic 10.2 Responsibilities • Installation of Oracle 10g on Windows/Linux platform. • Applying patches for Oracle 9i/10g. • Database daily monitoring and administration work. • Space maintenance as per requirement for tablespace and ASM. • Daily database health monitoring using trace files, alert.log and monitoring tools (OpManager & Application Manager). • Knowledge of RMAN and using it to perform full/incremental backups, and restore the same on Disk & Remote locations using RMAN and managing archive logs. • Performing cold backup and restore. • Performing logical backup and refreshing tables, schemas, databases using database export/import and datapump utility on demand for dev/stg teams. • Creating database link for production and development databases to access data in remote databases. • Create and manage users and granting privileges with appropriate roles and levels of security. • Troubleshooting of Oracle network and ORA-errors. • Simple job creation and scheduling at os/database level using shell script and windows batch files. • Generation of STATSPACK reports and AWR/ADDM/ASH reports. • Basic working knowledge of RAC. • Basic knowledge of ASM & created ASM disk-group and added disk to disk-group. • Migrating development databases from file system to ASM. • Basic level technicality of LINUX and Windows platforms and there installation. • Performing scheduled Database maintenance including Blackouts and performing validations and executing CCF (Change Control File) on production as directed. • Configuring/installing Application Manager/Op Manager for health monitoring and generating mail alerts for databases, servers, URLs and services. • Night Shift working including 365X24X7 support. • Reports creation and generation through executing provided scripts. • Opening Service Request with Oracle support as directed by senior DBAs. • Coordinating with offshore team and clients/users for resolving various issues and requests, and Assisting Lead DBA in various tasks. • Working includes command prompt/terminal, Oracle Database Console, SQL Developer and TOAD tools also. May 2009 to April 2010 EXL Service Database Administrator (Oracle 9i/10g DBA) Project: Production Support (CRM Databases) Environment: Windows 2003/Linux, OEM Tools, TOAD, Oracle 9i/10g, SQL Server 2005/2008 Responsibilities • Performed Installation of Oracle 9i/10g on Linux/Windows Platform (Windows 2003) for Production Server and Testing Servers. • Created database on development environment for new projects as directed by senior DBAs. • Analyzing, rebuilding and managing Databases, Tables, Views, Indexes and other Database Objects on production and development environment. • Exposure to normal day-to-day activities of Oracle Database Administration, troubleshooting and support for a Production Environment. • User Account management: Creating Users, Disabling users, Role management. • User data analysis using logminner.
- 7. • Planning and scheduling Database Backups. • Setup RMAN and Perform HotCold Backup and Restore the same on Development and Production environment from disk, tape and remote locations and archive log management. • Performed duplicationcloning of Production and Development Databases using RMAN. • Created and day to day management of Standby Database for Production database. • Perform Standby-Switchover on Production and Test environment. • Upgraded Oracle database (Apply patch) from version 9.2.0.1.0 to 9.2.0.3.0 on production and development servers. • Recover corrupted data-files using block recovery method. • Create and schedule various jobs. • Create, configure and troubleshoot various connectivity issues including creating Listener and Tnsnames services. • Setup and execution of standard database utilities (Export/Import, DB verify, etc.). • 24x7 support including scheduled, on-call and emergency night & weekend work. (Microsoft SQL Server 2005/2008 DBA) • Create Database for development environment. • Backup and Restore Database on disk, tape and remote locations. • Create and schedule jobs/mail alerts. • Creating link server/ODBC connections for ETL from Heterogeneous environment. • Day to day database activity monitoring, troubleshooting and support. • Apply service packs on production environment. • Setup Mirroring and Log Shipping Transaction for production environment.