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Oracle Database

Riyadh, Riyadh Province, Saudi Arabia
February 13, 2018

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Ahmed Hussein Alidarous

Mobile: *****(*) ******837

Email :


Seeking a challenging position in ORACLE consultation and implementation where I can gain more experience and utilize my experience in well-established Multinational Company.

Executive Summary

An experienced Oracle Technology Consultant at many companies and many customers, I have had a broad experience in Oracle Database Administration, Installation, Maintenance, Troubleshooting and performance tuning, Golden Gate, Data guard configuration, Real application cluster (RAC) installation and troubleshooting, Oracle Grid Control Installation, configuration and oracle security.

During my work, I was responsible for Installing and supporting Oracle 9i, 10g and 11g single instance and RAC system, at many sites in Saudi Arabia, besides many upgrades.

Personal Data

Name : Ahmed Hussein Alidarous

Nationality : Yemeni

Date of Birth : 08-Oct-1980

Address : Saudi Arabia – Riyadh

Marital Status : Married

Military Status : Exempted

Mobile : (KSA), +966508384837

Email :


Companies : Advanced Operation Technology April 2006 till Nov 2010

Bull SAS Dec 2010 till Feb 2014, STC March 2014 Till Date.

Position : Sr.Oracle DBA Consultant

Site Supported

STC (Saudi Telecom Company) March 2014 - Till Date

One of the EAI-OPS team who Establish the new projects from scratch, do the tuning, customizing .. for the DB, monitoring the performance, then migrate it to the DC team within 6 -12 months

Monitoring and optimizing the performance of the database.

Maintain a backup and recovery strategy for database information and restore the database as required.

Plan and migrate and upgrading the old databases environment to the new installed RAC.

Tuning Database.

Help the other departments in case they face any critical issue in oracle database.

Install RAC on Unix (AIX) and Solaris.

Zakat Ministry Dec 2010 - Till Feb 2014

Working with a team to create the plan of moving the whole Environments from Windows platform (2008) to new platform (UNIX- HP) Itanium.

Tune all Databases on Real application cluster to reach the optimum performance.

Creating primary objects (tables, views, indexes) coordinating with application team.

Controlling and monitoring user accessing the database.

Monitoring and optimizing the performance of the database.

Install Web logic on cluster nodes and migrate the application from Jonas Application server to Web logic.

Configure RMAN on Prod DB.

Install Rac on two nodes (Super Dome).

Configuring Grid Control 12c (OMS ) to manage and monitor oracle databases and oracle web logic application servers

AOT-Data Center April 2008 – Till Nov 2010

Responsibilities: DBA for AOT datacenter. Our datacenter has databases of 10 financial investment companies. Each environment has Data Guard configured for Disaster Recovery. Databases are mostly on Linux and some of them are on Windows as per client’s preference.

Database Cloning.

Handling Recovery in the situations of disaster.

Configuring RMAN for production databases.

Configuring ASM for databases.

Installing and configure application server using clustering technology

on various nodes.

Configuring Data guard (DR sites) for Production Databases.

Configuring Disaster Recovery site for application servers.

Handling Switch Over and Fail Over for Data guard servers.

Configuring Grid Control to manage and monitor different databases and application servers to ensure high availability. Grid Control is to send mails and Sms to the concerned persons for high alerts.

Responsible for Migrations and Upgrading of oracle databases and application servers.

Configuring Enterprise Manager for production databases.

Upgrad Production Database from to with a Physical standby database in place.

Building Standby database for production database using different protection mode (Maximum protection, Maximum availability, Maximum performance) with a combination of different redo apply services like Real-time Apply.

Arab Nation Bank Database Administrator Jan 2007 – Feb 2008 “ on site support”

Install and Implemented Grid Control technology for applications server and database monitoring .

Upgraded 2 Production Database from to

Tuning of database Using Stats pack Reports, analyzing of schema, rebuilding of indexes, rebuilding of tables,

Automating Mail Alert on Any ORA errors in Alert log file.

Automating trace file deletion and log deletion from Unix system mount point.

Automating Database Analyzing Scripts using cronjob

Managing 5 Standby Databases

Writing shell scripts for backup, export, import, cronjob, etc and as per need basis.

Oracle Application Server administration (Installation, Configurations and trouble shooting)

Handling Stock Market Database

Handling Day-to-Day user calls for DB Related problems, like, Schema creation, Export and Imports of data from one database to another database, DB slowness due to bad qry or any DB parameters issue, DB links related problems as per application need.

Database upgrade from 8i to 9i and 10g

New Database Installation and Configuration on HP-Unix, Windows, Solaris

I was working There (Arab National Bank in KSA) Through AOT (Advanced Operation Technology …Saudi) . As a DBA, rich exposure on Oracle RAC, Data guard, Grid control & Oracle Application server, I was supporting 119 Databases in banking env. Out of that 39 are production databases.

I am part of mission critical support team to support Banking domain business 24X7.

SABB (HSBC Saudi) Sept 2006 – Dec 2006 “on site support”

In addition to regular database administration tasks, my responsibilities include project management, capacity planning, upgrades and migrations, team development and management, ensuring the team is providing a good level of service to our internal clients and managing the process for delivering 10g RAC databases.

Perform all database and oracle application administration duties for all oracle database environments as on site support.

Evaluate the current environment in term of scalability, performance and high availability.

Proposed new architecture for the SABB environment includes RAC running against three AIX 5.3 nodes, Data guard implementation.

Plan and migrate the old database environment to the new installed RAC

Upgraded Oracle database from 9i to 10g Release 2

Given Support to E-trade and IPO database for day to day operations.

Configure new Physical standby database for production databases either single or RAC database .

Projects Implemented

NWC National Water Company (2016)

Database assessment:

Performed Health check on the all databases in order to eliminate the I/O & find the majeure issue of databases slowness.

MIT (Ministry of It Technology in Saudi Telecom Company) (2009)

Migrated the database from 8i ( to 10g Rel2 on Windows 2000 SP 2.

Oracle exp utility has been used to migrate the database.

Performed Health check on the database in order to maximize the performance (gathering the statistics for the tables and rebuilding the candidate indexes enhance the database performance to great extent.)

Database Migration 8i to 10g Rel2 (King Fahd Medical City KFMC) (2007)

Migrated the database from 8i ( to 10g Rel2 on HP-UX. Exp utility has been used to migrate the database.

Performed health check on the database in order to maximize the performance, using AWR report and gataring table statistic

Database assessment and health check (PANDA) (2007)

Perform complete database health check and assessment for all mobily’s database environment .This included monitoring the database performance collect database statistics and generation of recommendation for enhancing the database performance and ensure its availability and configuration is according to oracle standers

Oracle Application server Projects Implemented

1)install oracle AS 10g R2 and R3 on Linux OS

2)Configuring SSL (secure socket layer).

3)Managing single and cluster nodes.

4)Managing instances and ports.

5)Application deployment.

6)Upgrade oracle Applications server from release to & compile the forms.

Oracle Web logic server Projects Implemented

1)install oracle AS 10g R2 and R3 on Linux OS

2)Managing single and cluster nodes.

3)Managing instances and ports.

4)Application deployment.

5)Upgrade oracle Applications server from release to & compile the forms.

Operating System & Tools

Sun Solaris,Unix AIX,HP Unix, Linux Red hat and MS Windows OS.

Education & Training

Degree : Bachelor of Financial Management

University: University of Science And Technology– Yemen

Diploma : Diploma in Computer science (2 Years)

Institute : Hassib Training

Oracle11i APPS DBA.

DB : Oracle 9i/11g/12c, Performance Tuning – Oracle Data Guard, Oracle Real Application Cluster .

Package :SAP Basis ECC6.0 – SAP Portal –

OS & Net : UNIX Sun Solaris – Linux – Windows 2000 .

Oracle Times ten

Oracle application server release 3 .

ISO 20000 & ITIL V3 Training.


Arabic: Native tongue.

English: very Good speaking, excellent reading and writing.

Personal Skills

Committed and hard worker

Good communication skills,

Good team-work interaction and Collaboration,

Fast learning with “Can Do “ attitude

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