Senior Snowflake & AI Data Testing Engineer

Cognizant Technology Solutions; Boston (MA); Hybrid; USD 100,000 - 115,000; Full time

Benefits offered by this job

Hybrid work model

Health insurance

401(k) with company match

Paid time off and parental leave

Job summary

Cognizant Technology Solutions in Boston is seeking a Senior Data Testing Engineer to ensure quality of enterprise data platforms, pipelines, and AI-enabled solutions. You will design automated testing for Snowflake environments, validate ETL/ELT processes, and drive data quality across the stack.

Collaborate with Data Engineering, Analytics, and Product teams; contribute to CI/CD integration, performance validation, and AI testing practices such as Snowflake Cortex.

Qualifications

• Bachelor's degree or equivalent work experience.
• 7+ years in data QA/testing or data engineering with focus on validation.
• Deep Snowflake experience including architecture and performance.
• Advanced SQL and complex query development.
• Experience with ETL/ELT pipelines and data integration tools.
• CI/CD experience and automated testing design.
• Strong data warehousing and dimensional modeling knowledge.
• Agile teamwork and stakeholder communication.

Responsibilities

• Design, develop, and maintain automated testing frameworks for data platforms.
• Validate data transformations to ensure accuracy and integrity.
• Perform source-to-target data validation and end-to-end quality checks.
• Develop complex SQL queries to validate models and reports.
• Collaborate with Data Engineering, Analytics, Product, and Business teams.
• Integrate automated testing into CI/CD pipelines.
• Mentor junior QA/Data Testing Engineers.

Skills

Snowflake

SQL

Automated data testing

ETL/ELT testing

Data quality

CI/CD

Agile delivery

Data pipelines

Education

Bachelor's degree in Computer Science, Information Technology, Engineering, Data Analytics, or related field

Tools

dbt

Fivetran

Job description

Cognizant Technology Solutions in Boston is seeking a Senior Data Testing Engineer to ensure quality of enterprise data platforms, pipelines, and AI-enabled solutions. You will design automated testing for Snowflake environments, validate ETL/ELT processes, and drive data quality across the stack.

Collaborate with Data Engineering, Analytics, and Product teams; contribute to CI/CD integration, performance validation, and AI testing practices such as Snowflake Cortex.