ETL Testing

About the Role

Cognizant is seeking an experienced QA Tester with a strong background in Telecom projects to join our team in Riyadh, Saudi Arabia. This full-time role focuses on ETL Testing and requires extensive experience in functional testing, API testing, ETL testing, database validation, and end-to-end testing. The ideal candidate will have 5-10 years of experience and hands-on expertise in testing large-scale applications and validating complex data transformations.

Key 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.

Required Experience and Skills

• 5-10 years of experience in QA testing, specifically within Telecom projects.
• Demonstrated expertise in functional testing, API testing, and end-to-end testing.
• Proficiency in ETL testing, including manual methods and tools like Informatica.
• Strong skills in database validation and creating complex SQL queries.
• Experience with defect management tools and processes.
• Familiarity with Oracle databases and field-level mapping validations.

Work Environment and Expectations

This role requires a willingness to work from the client office from Sunday through Thursday. The successful candidate will be expected to collaborate effectively with cross-functional teams and various stakeholders to ensure high-quality deliverables across telecom platforms.