Test Automation Specialist – Data Testing

Cognizant; Zürich; Vor Ort; CHF 90.000 - 130.000; Vollzeit

Zusammenfassung

Cognizant is seeking a Test Automation Specialist focused on Data Testing in Zurich. The 6‑month fixed term role involves building scalable automation for data platforms and pipelines, validating large data sets, and ensuring data quality.

The ideal candidate will design frameworks and collaborate with data engineers and QA teams to deliver reliable data tests. Proficiency in SQL, Python or Java, and experience with CI/CD is required.

Qualifikationen

• Strong understanding of Data Warehouses, Data Lakes, ETL/ELT pipelines, and Data Models.
• Hands-on experience building test automation frameworks from scratch.
• Strong SQL and data validation expertise.
• Programming skills in Python, Java, or similar.
• Experience with CI/CD tools and automated test execution.
• Excellent analytical and problem-solving skills.

Aufgaben

• Design and develop automation frameworks for data testing and regression testing.
• Create automated test cases for data ingestion, transformation, validation, and reconciliation.
• Validate data quality using SQL and large-scale datasets.
• Integrate automated tests into CI/CD pipelines.
• Collaborate with Data Engineers, QA teams, and business stakeholders.
• Analyze and troubleshoot test failures and data quality issues.

Kenntnisse

Data Warehouses

Data Lakes

ETL/ELT pipelines

Data Models

Test automation frameworks

SQL

Data validation

Python

Java

CI/CD

Analytical thinking

Tools

Snowflake

Databricks

Azure Synapse

BigQuery

Great Expectations

dbt Tests

PyTest

Selenium

Jobbeschreibung

Test Automation Specialist – Data Testing

Zurich, Switzerland

Fixed term role for 6 months with potential extension

Cognizant is looking for an experienced Test Automation Specialist with a strong focus on Data Testing to support enterprise data platforms and pipelines.

Key Responsibilities

• Design and develop automation frameworks for data testing and regression testing.
• Create automated test cases for data ingestion, transformation, validation, and reconciliation.
• Validate data quality using SQL and large-scale datasets.
• Integrate automated tests into CI/CD pipelines.
• Collaborate with Data Engineers, QA teams, and business stakeholders.
• Analyze and troubleshoot test failures and data quality issues.

Required Skills

• Strong understanding of Data Warehouses, Data Lakes, ETL/ELT pipelines, and Data Models.
• Hands-on experience building test automation frameworks from scratch.
• Strong SQL and data validation expertise.
• Programming skills in Python, Java, or similar.
• Experience with CI/CD tools and automated test execution.
• Excellent analytical and problem-solving skills.

Nice to Have

• Snowflake, Databricks, Azure Synapse, BigQuery, or similar cloud data platforms.
• Great Expectations, dbt Tests, PyTest, Selenium, or equivalent tools.
• Experience in Banking, Financial Services, or large enterprise data environments.

What We're Looking For

This role is ideal for someone who understands enterprise data platforms, not just traditional test automation. We need a hands‑on automation engineer who can build scalable testing solutions and is passionate about data quality.