Senior ETL & Data QA Tester - Telecom, AI-Driven

Cognizant; Riyadh; On-site; SAR 120,000 - 180,000; Full time

Job summary

Cognizant is seeking an experienced QA Tester with Telecom domain expertise to join our team in Saudi Arabia. The role focuses on functional testing, API validation, ETL testing, and database verification for large-scale telecom platforms.

You will perform E2E and UAT testing, validate complex data transformations, write SQL queries, work with Oracle databases, and contribute to AI-driven testing approaches to improve quality and delivery speed.

Qualifications

• Mandatory experience in Telecom domain projects.
• Experience with Postman for API testing.
• ETL testing using Informatica and SQL data validation.
• AI-enabled ETL testing and test automation.
• Oracle data validation and complex SQL queries.

Responsibilities

• Perform Functional, Integration, End-to-End (E2E), UAT, and BAT testing for telecom applications.
• Conduct API testing using Postman and validate service integrations across multiple systems.
• Execute ETL testing both manually and using ETL tools such as Informatica.
• Validate data extraction, transformation, and loading processes to ensure data accuracy and integrity.
• Develop and execute test scenarios for complex telecom business processes.
• Perform defect identification, logging, tracking, and retesting using defect management tools.
• Create and validate complex SQL queries for backend database testing and data reconciliation.
• Work with Oracle databases and perform field-level mapping validations.
• Apply business rules and logic to validate data movement and staging environments.
• Collaborate with business users and stakeholders during UAT/BAT phases.
• Explore and implement AI-driven approaches in ETL testing to improve testing efficiency and quality.

Skills

Functional Testing

API Testing

Integration Testing

End-to-End Testing

UAT Testing

BAT Testing

Defect Management

Advanced SQL

Data Validation

Oracle Databases

Data Mappings

Staging Environments

Analytical Skills

Troubleshooting

Communication Skills

AI in ETL

Test Automation

Education

Bachelor's degree in Computer Science

Tools

Postman

Informatica

Job description

Cognizant is seeking an experienced QA Tester with Telecom domain expertise to join our team in Saudi Arabia. The role focuses on functional testing, API validation, ETL testing, and database verification for large-scale telecom platforms.

You will perform E2E and UAT testing, validate complex data transformations, write SQL queries, work with Oracle databases, and contribute to AI-driven testing approaches to improve quality and delivery speed.