About Me




Nizamudheen Attiri
+971 508432495
nisamudheen@gmail.com

17+ years of experience in Oracle Database, Oracle Cloud Infrastructure(OCI), Oracle EBS on Cloud, Oracle E-Business Suite, DevOps tools, Oracle WebLogic, Oracle Application Server, Oracle Access Manager and various Operating System flavors including Redhat Linux, UNIX (Solaris, HP-UX) and Windows. 
  • Expert in Oracle9i/10g/11g/12c/19c database administration, upgrade, configuration and tuning.
  • Experience in Oracle E-Business Suite technological stack, including architecture, installation, configuration, maintenance, tuning, cloning and patching procedures.
  • Expert in Oracle Cloud Infrastructure(OCI), Oracle EBS On Cloud and Oracle EBS Cloud Manager
  • Experience with Oracle Cloud Solution and Expert of Oracle ERP/Oracle HCM Cloud deployment
  • Experience in Terraform, JSON and chef cloud infrastructure automation framework
  • Knowledge of ASM, Data Guard, Real Application Cluster, Exadata and Exalogic
  • Knowledge of Oracle Enterprise Manager(OEM) Grid Control, Oracle WebLogic, Oracle Internet Directory, Oracle Access Manager and Apache
  • Ability to analyze problem, develops solutions and bring program/project execution to completion.
  • Responsible for the design and development the project using relational database.
  • Knowledge of Shell script, Perl, SQL, T-SQL, PL/SQL, Forms, Reports, XML Publisher and Discoverer
  • Exposure to DevOps tools like Docker, Jenkins, Git etc
  • Knowledge in SAP Basis and Oracle Databases administration using BR Tools and MOPATCH utility
  • Good knowledge of System Administration with Red Hat Linux, UNIX(Solaris, HP-UX), Windows

Education

Masters of Computer Applications (MCA)
Bachelor of Science (Bsc Physics)

Certification

Oracle Certified Professional – DBA (OCP) 
Oracle Autonomous Database Architect Specialist
Oracle Cloud Infrastructure Foundations
Oracle Cloud Infrastructure Architect Associate
Oracle Cloud Infrastructure Architect Professional


Experience

Etisalat by e&, Abu Dhabi, UAE
www.etisalat.ae, www.eand.com
Working as Team Lead – Oracle Cloud Solution Architect & Oracle Apps DBA 
(Jan 2012 to Present)

Job Responsibility

  • Installation, Configuration, Maintenance and upgrading Oracle R12 E- Business Suite and Database 
  • Regular Application and Database Server clone from production servers
  • Oracle E-Business suite Application and database clone using Rapidclone (adpreclone.pl&adcfgclone.pl)
  • DMZ Configuration of iSupplier and iRecruitment in Oracle E-Business suite
  • Lift and Shift Oracle EBS Suite using Oracle Cloud Manager tool
  • Provisioning Oracle Cloud infrastructure (Virtual Network, Load Balancer, Storage, Database, Firewall Security Rules, VM Compute instance etc.)
  • Cloud adoption plans, cloud application design, and cloud management and monitoring. 
  • Application architecture and deployment in cloud environments
  • Creating compartment to organize jobs responsibility and control access to the Oracle Cloud Infrastructure (OCI) Resources (Compute, Storage, Network, Load Balancer etc.) 
  • Managing and ensuring database availability 24x7
  • Tuning and Troubleshooting of VLDB used for Oracle ERP/Telecom Billing/CRM Applications 
  • Database health checkup, ensuring safety, confidentiality and integrity of data
  • Protecting the database from failures
  • Performs regular physical, RMAN backups and ensure the backup process are fool proof
  • Diagnose and resolves performance problems
  • Detect and resolve latch and lock contention problems, Identify and resolve I/O, storage and database configuration problems
  • Database objects access security management
  • Performs capacity planning activities [space utilization and growth monitoring]
  • Shell / Perl / Terraform / Chef / JSON / SQL / Command scripting for auto management processes. 
  • Data extraction and transformation activities
  • Perform data archiving activities
  • Prepare technical documentation of Etisalat databases
  • Interfaces with Oracle Support and other vendors for database related issues
  • Ensures 24 hours database Tier 2 support for the users. 
  • Ensures compliance with RDBMS vendor license agreement

GBM (for IBM WTC), Doha, Qatar
www.gbm4ibm.com, www.gbmme.com
Worked as Oracle Apps DBA (July 2011 to Dec 2011)

Job Responsibility

  • Applying the latest patches to Oracle Database, Oracle EBS suite and SAP systems
  • Do the server clone from production to test environment
  • Give access to the development team to deploy customization on the test and production server after finalize the testing phase.
  • Do the technical steps to configure oracle components
  • Managing Oracle RAC Database, Instances and ASM Instances
  • Maintain Site log for the production system
  • Follow up with Oracle Support for technical issues SRs
  • Respond to all SRs in the technical part
  • Do the regular backup for the production and test environment.
  • Do the regular tuning for database
  • Oracle Database SAP Bundle patch update using MOPATCH utility
  • SAP Database Maintenance using BR Tools
  • SAP Router Configuration and OSS administration
  • SAP User and RFC administration
  • SAP Transport Administration
  • SAP HANA 2.0 DB installation and SAP S4HANA Application installation
  • Trace any problem and errors which are related to database or application servers.

Pharmatrade LLC, Dubai, U.A.E
www.pharmatradeuae.com
Worked as Oracle Apps DBA (May 2008 to July 2011)

Job Responsibility

  • Installation, Configuration, Maintenance and upgrading Oracle R12 E- Business Suite and Database 
  • Applying the oracle application and database patch sets, Setup and configure Data Guard.
  • Establish and maintain sound backup and recovery policies and procedure
  • Perform general technical trouble shooting and give consultation to development team
  • Design, Setup and implement Oracle Application Server in multi servers environment
  • Allocating storage space and planning for future storage requirements
  • Patch management and version control
  • Interface with Oracle Corporation for technical support
  • Troubleshooting and regular checking of alert log file. 
  • Application and database cloning using Rapid clone (adpreclone.pl and adcfgclone.pl)
  • Setup and configure Oracle Workflow Notification Mailer (outbound and inbound notification mailer).
  • Creating and managing Responsibility, menus, users, value sets, alerts, descriptive flex field and performing other system administrator responsibilities.
  • Registering Printer, custom application, tuning of concurrent programs
  • Performance monitoring and optimizations of database and application.
  • Troubleshooting in Web/forms, Installing NLS/MLS and setup MWA/MSCA in Oracle Apps
  • Administrating oracle HTTP server and SSL Configuration
  • SSL environment setup and Configure Apache for SSL Connections using AutoConfig 
  • Monitoring & managing the tablespaces and data files growth
  • Maintaining data integrity also managing users, profiles, resources and password security.
  • Maintenance and managing oracle database, instances and application servers using Oracle Enterprise Manager
  • Installation, configuring and upgrading Oracle Enterprise Manager Grid Control
  • Installation, configuring and upgrading Oracle Application Management Pack(AMP)
  • Install Oracle Application Express(APEX) and Configure Oracle server
  • Data Masking and Scrabbling the sensitive data from the cloned instance using AMP and custom scripts.
  • Installation, upgrading and maintaining BI Web Discoverer server, Discoverer Administrator, Discoverer Plus and Discover Viewer.
  • Creating and maintaining EUL and Business areas.
  • Performing backup and recovery using Oracle user managed backup such as automated or manual cold backup and hot backup procedures.
  • Performing periodical Backup and Restoration using RMAN (full & incremental).
  • Create, configure and utilize Recovery manager catalog (RC).
  • Performing Export & Import operations using EXP/IMP, SQL Loader.
  • Mass Loading of Data using Oracles Apps API and Custom Scripts
  • Deployment of custom forms and Reports to Oracle Apps, Support to developers for developing Reports using XML Publisher, Report Builder and Discoverer.
  • Evaluate Oracle features and Oracle related products

ASSYST International Pvt Ltd (CMMI-3 Level), Cochin, Kerala, India.
www.assyst.net
(W.O.S of Advanced Software System (ASSYST), Inc, VA, USA).
Worked as Database Administrator (March 2005 to May 2008).

Job Responsibility

  • Installation, upgrading and maintaining the Oracle Database and its applications. 
  • Plan growth and changes (Capacity Planning)
  • Creating and maintaining Oracle Database, instance and its objects. 
  • Performing Export & Import operations using EXP/IMP, SQL Loader.
  • Perform database cloning and re-location activities.
  • Setup and configure Oracle Data Guard.
  • Applying the Oracle Database patch set.
  • Managing tablespaces, data files, redo logs, tables and segments.
  • Create, configure and utilize Recovery manager catalog (RC).
  • Monitoring and eliminating Row chaining and Row migration issues.
  • Maintaining data integrity also managing profiles, resources and password security.
  • Monitoring locks and various sessions using OEM and views.
  • Analyzing Tables & Schemas, collecting system statistics, reorganizing tables and rebuilding indexes.
  • Performing backup and recovery using Oracle 10g's user managed backup such as automated or manual cold backup and hot backup procedures.
  • Performing periodical Backup and Restoration and recovery using RMAN (full & incremental).
  • Providing support to developers for the smooth functioning of the Database.
  • Development of several shell scripts used for both hot and cold backups. 
  • Controlling and monitoring user access to the database.
  • Managing Users, Privileges and Roles.
  • Enhanced the performance of the database by providing advanced performance tuning and coding standards.

Project Summary

  1. Oracle E-Business Suite ERP Implementation and upgrade
  2. Oracle E-Business suite migration to Oracle Cloud Infrastructure (OCI)
  3. Installation, Upgrade and migration of Oracle Database 
  4. DMZ Configuration of iSupplier and iRecruitment in Oracle E-Business suite
  5. Oracle Discoverer, Oracle OBIEE Installation and configuration
  6. Design, Setup and implement Oracle Middleware Server in multi-server environment
  7. Setup and configure OID / Oracle Access Manager with Oracle E-Business Suite

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