Summary
Overview
Work history
Projects
Education
Skills
Certification
References
Timeline
Generic

Shakeel Ahmed

London,UK

Summary

With over 15 years of in-depth expertise in Oracle database management and cloud solutions, coupled with a proven track record of delivering resilient and high-performance database systems, my biggest career achievement includes significantly reducing system downtimes and implementation of cutting-edge technologies in complex environments.

Overview

16
16
years of professional experience
1
1
Certification

Work history

IT Senior Manager

Gas & Oil
, Pakistan
08.2018 - 07.2023
  • Built a multi-terabyte data warehouse on Oracle Cloud.
  • Managed databases, optimization project, cutting report generation time by 60% and boosting business intelligence.
  • Created an automated data quality framework with Python and Oracle Data Integrator.
  • Led database scalability projects, supporting a 100% user base growth in two years.
  • Oversaw a team of 5 in creating data models for a new product line, accelerating the launch by three months.

Senior Oracle Database Manager

Riyad Bank
, Saudi Arabia
07.2014 - 07.2018
  • Spearheaded the migration of 500+ instances from Oracle 11g to 19c, ensuring seamless transition and zero downtime, optimizing system performance by 30%
  • Designed and Implemented a new data warehousing solution with Oracle Exadata, enhancing analytics capabilities and improving query performance by 50%
  • Collaborated with cross-functional teams to establish a company-wide backup and disaster recovery plan, reducing potential data loss risk by 90%
  • Mentored a team of 10 junior DBAs, enhancing team productivity by 25% and reducing incident response times by 40%
  • Automated routine database maintenance tasks using Oracle Enterprise Manager, saving an estimated 20 hours per week in manual effort
  • Developed and enforced a database security policy using Oracle Label Security which resulted in zero data breaches over a two-year period
  • Led the implementation of Transparent Data Encryption (TDE) for 100+ Oracle databases, securing data at rest and meeting compliance requirements

Oracle Exadata Engineer

Telenor Telecommunications Company
Islamabad, Pakistan
05.2012 - 06.2014
  • Analyzed and audited user access and privileges.
  • Coordinated with network security teams to establish a fortified database environment, cutting down the potential attack vectors by half
  • Drove the automation of security patch deployments using Oracle Enterprise Manager, decreasing patch rollout times by 30%
  • Engineered a tailored performance tuning strategy that improved database response times by 40% for critical applications
  • Initiated a comprehensive indexing overhaul, which reduced query execution time by an average of 25% across all client databases
  • Instituted an Oracle AWR and ASH reporting protocol that identified performance bottlenecks, leading to a 20% improvement in overall system efficiency
  • Led a project team that reduced report generation time from financial systems by 50%, by optimizing and rewriting inefficient SQL Statements
  • Authored and implemented a database performance best practices guide, universally enhancing the development team's skill set
  • Increased database availability to 99.9% uptime by implementing Advanced Replication with an automated failover strategy
  • Optimized PL/SQL scripts and storage procedures to improve application response time by 35%, significantly improving user satisfaction
  • Enhanced database security by implementing Oracle Advanced Security, resulting in a 75% decrease in potential vulnerabilities

Senior Oracle Database Administrator

Ufone Telecommunications Company
, Pakistan
07.2011 - 04.2012
  • Engineered a tailored performance tuning strategy that improved database response times by 40% for critical applications
  • Initiated a comprehensive indexing overhaul, which reduced query execution time by an average of 25% across all client databases
  • Instituted an Oracle AWR and ASH reporting protocol that identified performance bottlenecks, leading to a 20% improvement in overall system efficiency
  • Led a project team that reduced report generation time from financial systems by 50%, by optimizing and rewriting inefficient SQL Statements
  • Authored and implemented a database performance best practices guide, universally enhancing the development team's skill set
  • Performed regular performance tuning activities on 50+ databases, achieving a standard of 99.7% efficiency in operational databases
  • Implemented a new SQL tuning process, which reduced the average time spent on query optimization by 15%
  • Supported the database team in collecting performance metrics, gaining valuable insights into Oracle tuning best practices

Oracle Database Administrator

NCS London
, Pakistan
07.2009 - 06.2011

Oracle Database Support Projects & Clients:

  • SHIRE - www.shire.com
  • WWF - www.wwf.org.uk
  • BMJ Group - www.bmj.com
  • Jobsite - www.jobsite.co.uk
  • CAPITA - www.capita.co.uk
  • European Bank - www.ebrd.com
  • BARCLAYS - www.barclays.co.uk
  • Daily Mail - www.dailymail.co.uk
  • National Magazine - www.hearst.co.uk
  • Royal Bank of Canada - www.rbcroyalbank.com

Oracle Database Administrator

British American Tobacco
, Pakistan
01.2008 - 06.2009

Projects

  • Data Center Migration
  • Exadata Implementation
  • RAC Implementation
  • Data Gurad Implementation
  • Golden Gate Implementation
  • Grid Control Implementation

Education

Masters - Information Technology

Shaheed Zulfikar Ali Bhutto Institute of Science and Technology
Pakistan

Skills

  • Oracle Database Administration
  • Oracle Goldengate Administration
  • Oracle RAC Administration
  • Database Backup and Recovery
  • Data Guard Administration
  • Oracle Database Auditing
  • Oracle Database Security
  • Oracle Database Performance Tuning
  • Oracle Exadata Administration
  • Oracle Grid Control Administration
  • Oracle Cloud Infrastructure (OCI)
  • Amazon Web Services (AWS)
  • Azure Cloud Administration
  • Git & GitHub
  • Docker & Docker Swarm
  • Jenkins CI/CD Pipelines
  • YAML
  • Ansible
  • Kubernetes
  • Terraform
  • Redhat

Certification

  • Exadata Certified Implementation Specialist
  • Real Application Cluster
  • Oracle Certified Professional - 9i, 10g, 11g, 19c

References

References available upon request.

Timeline

IT Senior Manager

Gas & Oil
08.2018 - 07.2023

Senior Oracle Database Manager

Riyad Bank
07.2014 - 07.2018

Oracle Exadata Engineer

Telenor Telecommunications Company
05.2012 - 06.2014

Senior Oracle Database Administrator

Ufone Telecommunications Company
07.2011 - 04.2012

Oracle Database Administrator

NCS London
07.2009 - 06.2011

Oracle Database Administrator

British American Tobacco
01.2008 - 06.2009

Masters - Information Technology

Shaheed Zulfikar Ali Bhutto Institute of Science and Technology
Shakeel Ahmed