Senior Telecom QA: ETL/API Testing & Data Validation

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

Job summary

Cognizant in Saudi Arabia seeks an experienced QA Tester with telecom focus to join our team. The role emphasizes functional, API, ETL, and end-to-end testing, plus database validation and data integrity across telecom platforms.

You will validate complex data transformations, develop test scenarios, and collaborate with business users during UAT/BAT, applying AI-driven approaches to improve ETL testing and overall quality.

Qualifications

• Mandatory telecom-domain project experience.
• Strong testing expertise across functional/API/ETL and data validation.
• Hands-on experience with SQL and Oracle databases.

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 across systems.
• Execute ETL testing manually and with Informatica or similar tools.
• Validate data extraction, transformation, and loading processes for accuracy.
• Develop and execute test scenarios for complex telecom business processes.
• Log, track, and retest defects with a defect management tool.
• Craft and validate complex SQL queries for backend testing and data reconciliation.
• Collaborate with business users during UAT/BAT phases.
• Explore AI-driven approaches to enhance ETL testing.

Skills

Functional Testing

API Testing

End-to-End Testing

UAT/BAT Testing

Defect Management

SQL Queries

Data Validation

Analytical Thinking

Communication

Education

Bachelor's degree in Computer Science/IT/Engineering

Tools

Postman

ETL Tools (Informatica)

Oracle DB

Job description

Cognizant in Saudi Arabia seeks an experienced QA Tester with telecom focus to join our team. The role emphasizes functional, API, ETL, and end-to-end testing, plus database validation and data integrity across telecom platforms.

You will validate complex data transformations, develop test scenarios, and collaborate with business users during UAT/BAT, applying AI-driven approaches to improve ETL testing and overall quality.