KHALED WAHBA
HTTPS://WWW.LINKEDIN.COM/IN/WAHBAKHALED
ac4nep@r.postjobfree.com
PROFILE :
Extensive technical experience in relational database management and administration with a solid background in logical and physical database design. Solid experience in Oracle Database Management with strong analytical and problem-solving skills, client focused with attention to details and a proven ability to assimilate and apply technologies through independent research.
An active team participant with excellent interpersonal and communication skills, that also excels in a self-directed environment, and thrives on new challenges and opportunities.
Specialties:
Database Technologies including Oracle, SQL Server ( MS SQL -2005, 2008, 2012)
ORACLE DBMS (ver. 7, 8i, 9i, 10g,11g and 12 ) on various operating systems UNIX, Linux, Windows, VMware on Sun, Hp, AIX and VMS
Database Technologies: Performance Tuning, Data guard, data warehousing, Emgrid 12c,13c, Patching, proactive monitoring, backup, RMAN, database security, capacity planning and operational 24x7 support
PROFESSIONAL EXPERIENCE
Bank of Canada
Senior Database Administrator Sep 2008 – Present
Migration from 11.2 to oracle 12, oracle 12 : install, upgrade, covert to pdb, snap clone
Supporting the bank’s financial systems and oracle dataware houses
Supporting the banking high availability systems ( oracle on Solaris sun cluster with dual data guard )
Managing 13c Emgrid for all targets, setup, notification, monitoring, alerts, reporting and tuning
Working in Coordination with enterprise data architects to implement database enhancements and take ownership of changes from logical design ( develop designs in ERStudio) and follow through to physical design and deployment
All DBA duties, install, upgrade, patch, build, maintain, tune, backup, monitor, recover, migrate .. etc
Shell scripting to automate, env setup, data refreshes, dataguard rebuilds, rman backups, custom monitoring
Cross-platform Database Migration ( soraris to Linux ) using various methods
Working as a development DBA, involved in daily scrums and working closely with data architects and developers
Provide bank wide database application production support ( on-call 24x7 and on-seat support )
Databases : Oracle 10g, 11g databases, middle tier components
Platforms : Unix on clustered Sun, windows, Linux on virtual machines
Data warehouse performance tuning, partitioning, text indexes, parallel query
Database Consulting
PWGSC Apr 2008 – Jun 2008
Short contract to consolidate various Unix sun servers and upgrade databases from 8i to 9i at the same time
CSC – Senior Database Administrator
Nortel Networks Global Database services Mar 2000 – Apr 2008
Supported 15 projects concurrently involving 30 to 40 (prod and dev) oracle database worldwide (8i,9i and 10g)
Provided DBA support to various Nortel Networks project groups : Optical Networks, Wireless, financials, web,OLTP
Provided oracle support in a multi platform environment, HP Unix, Sun Solaris, IBM AIX, Linux and windows
Provided close liaison with Oracle Canada on sensitive problem areas such as bug reporting, special patch request and other technical challenges
Pro-active Database Performance Tuning and Monitoring ( periodical database health checks, Oracle Enterprise Manager, 10g grid control, memory buffer tuning, I/O tuning etc.)
Application Performance Tuning ( SQl and PL/SQL tuning, tracing, explain plan etc ..)
Disaster recovery and contingency planning, implementation, backup and recovery ( RMAN )
Setup, maintained and monitored production database replication
Install, patch and maintain all Oracle software
Installation and configuration of the Oracle 10g grid control
Database creation, migration, upgrades, patching, cloning, reorganizing
Capacity planning, Space management and Security management
Review database design and approve all production schema changes and collaborate with development teams
Work closely with the Unix administrators to perform database server consolidation, migration, SAN storage migrations, failover server setup
Automated administration tasks through shell scripting (ksh, sh)
Mentoring and knowledge transfer to other team members.
Production database support, 7x24 on call rotation for all Nortel databases worldwide
Work closely with customers to resolve problems, meet and exceed SLAs (service level agreements)
Strong understanding of the Oracle 10g database Real Application Cluster (RAC) and Application Server Architecture including High Availability.
PRIOR EXPERIENCE
EDS Canada, Ottawa Global Delivery Center - Database Administrator
MCI WorldCom - Local Number Portability, Department of Justice - Canadian Firearms Registration System, Human Resource Development Canada - Income Security Program
Jeraisy Computers, Riyadh, KSA. - Database Administrator
Saudi General Intelligence Department - Application Redesign and Data Migration, Riyadh Municipality - Application development, Maintenance and Support
Maritime Research and Consultation Centre - Programmer
Developing a Maritime Data warehouse (Oracle 7 on HP Unix)
EDUCATION
B.SC. IN COMPUTER SCIENCE & AUTOMATIC CONTROL
FACULTY OF ENGINEERING, ALEXANDRIA UNIVERSITY, EGYPT