Ahmed Samir
Verified Expert in Engineering
Data Architect and Developer
Riyadh, Saudi Arabia
Toptal member since March 2, 2023
Ahmed is a data architect with extensive experience in business intelligence, data warehousing, data governance, data management, data quality, and data modeling. He has proven experience gathering business requirements from business users, defining KPIs, mapping to databases, defining data quality issues, and designing reports and visualization systems. Ahmed is a great team player with comprehensive business, analytical, and technical skills.
Portfolio
Experience
Availability
Preferred Environment
Windows, Linux, IBM Cognos, Tableau, IBM Db2, Oracle, SQL, Teradata, Incorta, Erwin
The most amazing...
...organizations I've worked for are Saudi Arabia's financial investigation unit and the criminal investigation department at the ministry of the interior.
Work Experience
Data Architect and Business Intelligence Consultant
Technology Control Company
- Acted as a BI team leader, leading requirement gathering and data analysis.
- Translated business requirements into technical solution concepts and designs. I designed data warehouse models and created SMX documents.
- Validated data loaded to the data warehouse by the integration team using IBM Cognos Analytics and SQL queries.
- Created data quality reports to indicate quality issues in the data warehouse and source systems.
- Designed and published relational and multidimensional models using IBM Cognos Framework Manager.
- Developed reports and dashboards using IBM Cognos Report Studio.
- Wrote complex queries to create required views to handle business user requirements.
- Led the validation of reports generated using SQL queries.
- Handled Cognos administration, deployment, and installation on Linux and applied security as per security rules.
Business Intelligence Consultant
Technology Control Company
- Acted as a BI team leader, leading requirement gathering and data analysis.
- Translated business requirements into technical solution concepts and designs.
- Validated data loaded to the data warehouse by the integration team using IBM Cognos Analytics and SQL queries.
- Created data quality reports to indicate quality issues in the data warehouse and source systems.
- Designed and published relational and multidimensional models using IBM Cognos Framework Manager.
- Developed reports and dashboards using IBM Cognos Report Studio.
- Wrote complex queries to create required views to handle business user requirements.
Business Intelligence Consultant
EJADA Systems
- Worked on the Yesser business intelligence system for Qiyas 5 and other e-government sources in Saudi Arabia.
- Incorporated money transfer data into the data warehouse at Arab National Bank (ANB), Saudi Arabia.
- Performed an analysis of e-government sources and requirement gathering.
Data Warehouse Consultant
DataGear
- Contributed to the population propagation and forecast at the Riyadh Development Authority (RDA), Saudi Arabia.
- Built a data warehouse and performed core banking migration at the National Bank of Egypt.
- Contributed to the BSCS 7 migration to BSCS iX at Moroc Telecom, the main telecommunications company in Morocco, using Informatica PowerCenter 8.6.
Technical Support
Jelcom Training Center
- Helped the company maintain its network performance.
- Assisted the company in maintaining its training environment.
- Contributed to the training environment administration and maintenance.
Experience
Data Analytics for Ministry of the Interior
In addition, I defined data governance and security rules for accessing the data, created and published relational and multidimensional models using IBM Cognos Framework Manager, designed reports and dashboards using IBM Cognos Report Studio, and wrote complex queries to create required views to handle business user requirements. I also handled the validation of reports generated using SQL queries and the Cognos administration, deployment, and installation on Linux. I applied security as per security rules and optimized reports.
Yesser Business Intelligence System for Qiyas 5 and other E-government Sources, Saudi Arabia
The following subject areas were covered: Qiyas, GSB, IBM Rational ClearQuest, an SMS Gateway, Quduratiq, customer satisfaction, remedy, Clicky, IBM Tivoli Monitoring/LDAP, AMER, LAN integration, and a Saudi portal.
Incorporation of Money Transfer Data into the Data Warehouse
Population Propagation and Forecast at Al Riyadh Development Authority
Data Warehouse and Core Banking Migration at National Bank of Egypt
BSCS 7 Migration to BSCS iX at Moroc Telecom
Education
Diploma in Data Warehousing and Business Intelligence
Information Technology Institute (ITI) - Egypt
Bachelor's Degree in Electronics and Communications Engineering
Mansoura University - Mansoura, Egypt
Certifications
Cloudera CDP Data Visualization Training
Cloudera
Cloudera Essentials for CDP
Cloudera
Advanced Designer Certificate
Dataiku
Core Designer Certificate
Dataiku
Data Analysis Professional Nanodegree
Udacity
SAS Visual Business Analytics Professional
SAS
Incorta 5 Foundations for Developers
Incorta
Incorta 5 Fundamentals for Administrators
Incorta
Incorta 5 Essentials for Business Analysts
Incorta
Data Visualization with Tableau
University of California, Davis
Data Analytics Professional
Nanodegree, Data Analysis
Udacity
Cognos 10 BI Author
IBM
SAS BI Content Developer
SAS
Skills
Tools
IBM Cognos, Tableau, Erwin, SAS Enterprise Guide, Cognos Analytics 11, Cognos Framework Manager, Informatica ETL, Cloudera
Languages
SQL, SAS
Paradigms
Business Intelligence (BI), ETL, Dimensional Modeling, Database Design, Oracle ODI
Storage
Relational Databases, Databases, RDBMS, Database Modeling, Microsoft SQL Server, Database Architecture, MySQL, Database Transactions, Database Structure, IBM Db2, Teradata, Datastage, Database Security, Data Validation, SQL Server 2008
Platforms
Oracle, Oracle Database, Windows, Linux, Incorta, Oracle Data Integrator (ODI), Dataiku
Frameworks
Flux
Other
Data Visualization, Data Aggregation, Data Analytics, Reports, Dashboards, Data Reporting, BI Reporting, Data, Dashboard Design, Data Warehouse Design, Report Development, Data Modeling, Data Architecture, Data Warehousing, ETL Tools, Data Engineering, Data Analysis, Engineering, Informatica, Data Privacy, Data Governance, Technical Support, Networking, Cognos 10, IBM Cognos Business Intelligence, Data Quality, erwin Data Modeler, Business Requirements, User Requirements, Technical Requirements, Database Analytics, Customer Data Platform (CDP)
How to Work with Toptal
Toptal matches you directly with global industry experts from our network in hours—not weeks or months.
Share your needs
Choose your talent
Start your risk-free talent trial
Top talent is in high demand.
Start hiring