An Oracle Certified Professional DBA with over 15 years experience in administration & support of Oracle databases (8i - 19c) as well as SAP R/3 & Oracle Apps 11i, eager to leverage technical skills in cloud-based database systems.
Expertise in numerous leading Oracle technologies, coupled with a demonstrated ability to promptly master new and evolving technologies
Goal oriented and dedicated with strong problem resolution & communication skills working effectively in collaborative and self-motivated environments
Overview
24
24
years of professional experience
Work history
Senior Oracle DBA
Close Brothers Ltd.
10.2014 - 09.2023
Supporting a landscape of 400+ non-production and 50 production database environments
Installation & upgrades of Oracle databases from 10g through to 19c using multitenant & non mulitenant architecture along with the implementation of Oracle RAC, RAC One Node & ASM
Techinical lead for the migration of databases from VMWare to Oracle Exadata and more recently to Oracle Cloud Infrastructure (OCI)
Technical lead for creating database design & implementation standards for OCI, working with the architecture & project teams.
Grid Infrastructure & Database patching
High availability configuration & database replication using Oracle DataGuard & participating in disaster recovery exercises
Backup strategies using Oracle RMAN integrating with Networker, Rubrik and more recently AWS
Data replication/transformation to the data warehouse using Oracle Goldengate
Implementing Transparent Data Encryption (TDE)
Installation & configuration of Oracle Enterprise Manager (EM) for monitoring & reporting purposes
Performance tuning using AWR & ASH analytics to troubleshoot database performance issues
Configuration & installation of Oracle databases for SAP applications
Cloning production databases for Development & Test teams
Supporting the change management process regularly deploying application updates to pre-production & production environments
Involved in a pilot implementation for Oracle on AWS
Bash scripting for various automation/monitoring/daily checks
Oracle DBA
General Dynamics IT (GDIT)
01.2013 - 10.2014
Day-to-day administration of a pre-production & production RAC environment (3-node each)
DR setup & configuration with Data Guard
RMAN configuration & administration
Periodic database refreshes of the pre-production environment using either RMAN scripts or Datapump utilities
Analyze & resolve problems experienced in pre-production & production environments
Scripting for database monitoring & health check reports
Deploying application scripts as part of the change management process
Oracle patching (PSU’s)
Performance Tuning
Oracle Database Administrator
Engage Mutual Assurance
01.2010 - 10.2011
Technical lead for migration & upgrade of Oracle 8i databases on Windows 2003 32bit to Oracle 10g on Windows 2008 64bit
Technical lead to analyze & resolve problems experienced in the migration & upgrade
Technical lead for SQL tuning of queries affected by the upgrade due to optimizer changes from 8i to 10g
Analyze & resolve problems experienced in installation, development, test & production environments
Performance tuning (tkprof & statspack)
Writing Windows scripts for automating database refreshes in development & test environments
Configuring database & OS alerts using Quest Spotlight & OEM
Standby database configuration, testing & DR setup
Enforcing security through implementation of Oracle Security patches
RMAN setup, configuration & administration
Writing RMAN scripts for database backup & restore scenarios
Implemented a RMAN disk backup strategy along with appropriate tape backups & retention policies
RMAN database duplication
Oracle Database Administrator
Bahrain Telecommunications Company (BATELCO)
11.2002 - 09.2009
Design, build and test databases
Administer and support 24x7 large-scale databases, some upto 2TB in size
Analyze & resolve problems experienced in installation, development, test & production environments
Providing Lead DBA support & expertise to various IT projects across the organization
SQL performance tuning (tkprof & statspack)
Partitioning
Maintaining change control procedures
Database patching, cloning, migration & upgrades
Enforcing security through auditing, listener configuration & Oracle Security patches
Writing various SQL & Unix scripts for database monitoring & daily health checks
Capacity planning, DR configuration & testing
Installation & configuration of Oracle AS10g (standalone) for Java based application deployment
Job configuration/scheduling through dbms_job & cron
Extensive use of export/import & materialized views to maintain data across systems
Oracle Net configuration (Oracle Names & sqlnet setup)
Database cloning using EMC mirroring & deduplication technology
OEM 10g Grid Control setup, configuration & administration
Database Administrator
Central Informatics Organisation
01.2000 - 10.2002
Database Administrator for the Central Population Register (CPR) system. The databanks are based on Oracle.
Successfully designed and implemented a backup strategy for the CPR system, which involves both, logical and offline backups on a weekly/ monthly basis. The logical backup uses the Oracle Export utility while the offline backups are done using VERITAS Backup Exec software
Designed, tested and implemented recovery procedures which have been successfully used in the production environment
Designed and set up web pages for online RFI processes for a National Smartcard as part of the E-government initiative for the Kingdom
Achieved Image transformation using Oracle interMedia overcoming major issues with back level image formats for TIFF