Senior Data Testing Engineer

Job description / Role

Test planning and strategy

Develop and execute comprehensive test plans and test cases for ETL and data quality processes.
Collaborate with business analysts, developers, and data architects to understand requirements and define testing scope.
Identify and manage test data requirements, ensuring data quality and representativeness.

Test execution and analysis

Design and execute various types of tests, including functional, regression, and integration testing.
Create test reports, charts, graphs, tables, and dashboards using data visualization tools such as Power BI and Tableau.
Test ETL and data quality rules.
Analyze test results to identify defects and track their resolution.
Work closely with development teams to reproduce and isolate defects.

Test team leadership

Mentor and guide junior test engineers, providing technical guidance and support.
Assign tasks, track progress, and ensure timely delivery of testing deliverables.
Communicate test progress, results, and issues to project stakeholders.
Provide timely updates and escalate risks or concerns as needed.

Personal skills

• Bachelor's degree in computer science, information systems, or a related field
• Strong understanding of ETL concepts, data warehousing, and data modeling
• Experience with testing ETL tools (e.g., Informatica, SSIS, Talend)
• Experience with testing big data (Cloudera)
• Experience with testing data quality, data governance, MDM, and data catalog (Informatica)
• Experience with data visualization tools such as Tableau, Power BI, or similar
• Proficiency in SQL and data querying languages on different tools (e.g., Oracle, MS SQL Server)
• Knowledge of data quality frameworks and methodologies
• Excellent problem-solving, analytical, and troubleshooting skills
• Strong communication and interpersonal skills
• Ability to work independently and as part of a team

About the Company

Giza Systems, a leading systems integrator in the MEA region, designs and deploys industry-specific technology solutions for asset-intensive industries such as the telecoms, utilities, oil and gas, hospitality and real estate among other market sectors. We help our clients streamline their operations and businesses through our portfolio of solutions, managed services, and consultancy practice. Our team of 1000 professionals are spread throughout the region with anchor offices in Cairo, Riyadh, Dubai, Doha, Nairobi, Dar-es-Salaam, Abuja, Kampala and New Jersey, allowing us to service an ever-increasing client base in over 40 countries.