Ahmed Alshareefi

469-***-****

Email: aczfrw@r.postjobfree.com

Education

B.Sc. In Computer Science

**** – 2009

Oracle Certifications

Oracle RAC 11g R2 Administrator Certified Expert

OCE

Managing Oracle 10g under Linux Certified Expert

OCE

Oracle 12c Administrator Certified Professional

OCP

Oracle 11g Administrator Certified Professional

OCP

Oracle 10g Administrator Certified Professional

OCP

Oracle 11g Administrator Certified Associate

OCA

Oracle 10g Administrator Certified Associate

OCA

Oracle Solaris Administrator Certified Associate

OCA

Skills & Qualifications

Oracle Performance Tuning and business continuity products/tools Implementation Experience:

-Experience in performance tuning using STATSPACK, EXPLAINS PLAN, SQL TRACE, TKPROF, AWR and ADDM reports.

-Conduct regular database health check and provide tuning recommendations and future memory requirements to the Management team

-Oracle High Availability / Business Continuity Solutions product support

-Implement Zero-Downtime Operations that eliminates downtime for planned outages involving Oracle Database upgrades, migrations using oracle data guard and other technologies.

-Expertise in Oracle Database Security including Oracle Transparent Data Encryption and Oracle Key Vault

Oracle Real Application Clusters Experience (RAC) including:

-Oracle Cluster ware, Grid Infrastructure product installation on (Red hat, Solaris, AIX platforms).

-S/W Patching, DB Migration, Upgrade, Troubleshooting skills

-Managing ASM volumes and create the ASM cluster file system(ACFS)

Oracle Data Guard skills :

-Oracle Active Data guard installation, configuration and support on large diverse of OS flavors

-Data Guard S/W Patching, DB Migration, Upgrade, Troubleshooting skills

-Using Data Guard technology to minimize the planned databases outages during the upgrades and migration operations.

Oracle 10g,11g,12c Database expertise with the focus on:

-S/W Installation, Patching, DB Migration, Upgrade, Troubleshooting

-Database Configuration Analysis & Planning on Linux, Solaris and AIX

-Managing Oracle Database 11g on Exadata

-Oracle RMAN

-Oracle Flashback technology

Managing Databases backup activities using the following technologies:

-Oracle Recovery Manager

-Data Domain (DD) technology

-NetBackup

-Oracle Flashback

Oracle Enterprise Manager Grid Control 11g,12c

large diversity of expertise covering platforms such as AIX, Solaris, RHEL and Windows Good Understanding of different flavors of LINUX & UNIX including:

-Install and Configure red hat Linux, Oracle Linux and Oracle Solaris

-Managing users, file system and system and resources utilization

-Create and provision LUNs, Disks using FDISK, UDEV utilities

-Integrate third party tool to support oracle databases on Linux boxes i.e. Data domain (DD) client software

Network Administrations skills:

-Broadcasting, segmentation

-Wireless network design and configuration using microwave and trango

-General Cisco networking Skills and LAN/WAN networks

Professional Experience

Crescent Solution

Contractor -2 months

United States

Jan 2017 – Mar 2017

Oracle Database Security Consultant

Working with Oracle Corporation – Professional Services through Crescent solution as an Oracle Database Security Consultant with the focus on the following:

Oracle transparent Data Encryption Deployment using fast-offline migration approach

Oracle Database Performance tuning for the new encrypted databases

Oracle Key Vault Installation, configuration,support

Develop and Document use cases to proof database protection at rest using TDE technology,

Maximum key protection using the oracle key vault.

Korek Tel

Full Time

Kurdistan

Oct 2013 – Dec 2016

Oracle Database Administrator

Oracle Database Servers Installation,configuration and Support

Oracle Database Management under Exadata boxes (half RAC)

DB & applications DBA on Korek databases that support the Systems and applications

Daily Health Check Up of the Database

Database cloning from Production to Test and Development environments

Configured and maintained huge OLTP databases

Monitoring Table spaces and extent Growth

Monitoring the Hit Ratios and tuning the System Global Area (SGA) accordingly

Monitoring the operating system response in terms of CPU usage, disk space, and swap space by using various UNIX utilities like SAR, VMSTAT, ISOSTAT and TOP.

Performance tuning for optimized results using tools like EXPLAIN PLAN, SQL*Trace, TKPROF, STATSPACK, AWR and ADDM reports.

Monitoring and troubleshooting SAN related issues

Experience in Identifying performance bottlenecks on high volume transaction systems.

Analyze SQL statements, reorganize database objects and design indexes to improve response of queries.

Itisaluna Tel

Full Time

Kurdistan

Mar 11- Oct 13

Oracle Database Administrator

Oracle products installation, configuration, administration and support

Support Billing System Application (TABS) under Oracle Solaris with core databases technology 10g

Support reporting databases systems under Windows/Linux platforms with core database technology 10g,11g

Support billing application team to write SQL queries.

Clean up archives logs to free space on the archive file system through managing the daily RMAN backup job to purge the archives

Responsible for backup accuracy and billing system databases availability

Perform Periodic database health check to early detect database problems and reduce the incident.

Job scheduling using crontab

Creation of database maintenance plans, rebuild indexes and integrity check

Implemented RMAN Backups, Creation of catalog database.

Recovery of Database (Recovering from Media Failure, Recovering tables dropped accidentally, Recovering data files, Recovering from Block Corruption).

Performed full and incremental backups using RMAN

Ensure high availability of Databases at all time.

Support migration and loading of data into oracle database using SQL*Loader

Performed and scheduled re-orgs

Provided support on performance issues during project development resulting in improved response times and reduced contention

Intensively involved in the area of installations of Oracle Software, Configuration for database and day-to-day routine works for database administration.

Earthlink

Full Time

Kurdistan

Feb 10- Feb 11

Oracle Database Administrator

Network Links Monitoring,troubleshooting and support

Wireless network design and configuration using microwave and trango

General Cisco networking Skills and LAN/WAN networks

References

All references are available upon request.

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