Telecom ETL & API QA Specialist

Cognizant; Riyadh; On-site; SAR 60,000 - 100,000; Full time

Job summary

Cognizant is seeking an experienced QA Tester for telecom projects in Riyadh, Saudi Arabia. The role emphasizes functional, API, ETL, and end-to-end testing across large-scale telecom platforms.

You will validate data transformations, write complex SQL for backend testing, and work with Oracle databases. Collaboration with business users during UAT/BAT is essential, with a focus on AI-driven improvements in ETL processes.

Qualifications

• Mandatory experience in Telecom domain projects.
• Experience with testing large-scale telecom applications and complex data transformations.
• Strong knowledge of data validation and SQL queries across 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 multiple systems.
• Execute ETL testing manually and with Informatica-based tools.
• Validate data extraction, transformation, and loading processes for accuracy and integrity.
• Develop test scenarios for complex telecom business processes and document results.
• Log, track, and retest defects using defect management tools.
• Create and validate complex SQL queries for backend testing and data reconciliation.
• Work with Oracle databases and perform field-level mapping validations.
• Apply business rules to validate data movement and staging environments.
• Collaborate with business users and stakeholders during UAT/BAT phases.
• Explore AI-driven approaches in ETL testing to improve efficiency and quality.

Skills

Functional Testing

API Testing

Integration Testing

End-to-End Testing

UAT/BAT Testing

Defect Management

ETL Testing

Informatica

AI in ETL Testing

SQL Queries

Oracle Databases

Data Validation & Mapping

Staging Environments

Analytical & Troubleshooting

Communication Skills

Education

Bachelor's degree in Computer Science / IT / Engineering

Tools

Postman

Informatica

Job description

Cognizant is seeking an experienced QA Tester for telecom projects in Riyadh, Saudi Arabia. The role emphasizes functional, API, ETL, and end-to-end testing across large-scale telecom platforms.

You will validate data transformations, write complex SQL for backend testing, and work with Oracle databases. Collaboration with business users during UAT/BAT is essential, with a focus on AI-driven improvements in ETL processes.