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Snowflake Cortex AI Tester

00068747471

Senior Data Testing Engineer – Snowflake & AI Testing

About Cognizant

Cognizant (NASDAQ: CTSH) is one of the world's leading professional services companies, helping clients modernize technology, reimagine processes, and transform experiences so they can stay ahead in a rapidly changing world. Our associates work with some of the world's most recognized organizations to deliver innovative solutions across digital engineering, cloud, data, AI, and business transformation.

At Cognizant, we foster an inclusive, collaborative, and high-performing culture where diverse perspectives drive innovation and create meaningful impact for our clients.

Senior Data Testing Engineer – Snowflake & AI Testing

Job Summary

Cognizant is seeking an experienced Senior Data Testing Engineer to join our Data Engineering and Quality Assurance team. In this role, you will be responsible for ensuring the quality, integrity, reliability, and performance of enterprise data platforms, data pipelines, and AI-powered solutions.

The ideal candidate will possess deep expertise in Snowflake, advanced SQL, and automated data testing methodologies, along with experience validating complex ETL/ELT pipelines. This role requires a strong quality mindset, excellent analytical skills, and the ability to collaborate with cross-functional teams to deliver high-quality data products. Experience or familiarity with Snowflake Cortex AI and AI testing practices is highly desirable.

Key Responsibilities

  • Design, develop, and maintain scalable automated testing frameworks for data platforms, data warehouses, data lakes, and ETL/ELT processes.
  • Validate data transformations and business rules to ensure accuracy, completeness, consistency, and integrity across systems.
  • Perform source-to-target data validation, reconciliation, and end-to-end data quality testing.
  • Develop and execute complex SQL queries to validate data models, transformations, and reporting outputs.
  • Conduct performance validation and testing to ensure efficient utilization of Snowflake resources and optimal platform performance.
  • Collaborate with Data Engineering, Analytics, Product, and Business teams to define testing strategies and quality standards.
  • Integrate automated testing solutions into CI/CD pipelines to support continuous testing and rapid deployment of data assets.
  • Identify, document, prioritize, and track defects through resolution while driving root-cause analysis and process improvements.
  • Support testing and validation of AI-driven data solutions, including applications leveraging Snowflake Cortex AI capabilities.
  • Create and maintain test plans, test cases, automation assets, and quality metrics documentation.
  • Mentor and guide junior QA and Data Testing Engineers on testing best practices, automation techniques, and Snowflake technologies.
  • Contribute to continuous improvement initiatives focused on data quality, testing efficiency, and engineering excellence.

Required Qualifications

  • Bachelor's degree in Computer Science, Information Technology, Engineering, Data Analytics, or a related field, or equivalent work experience.
  • 7+ years of experience in Data Quality Assurance, Data Testing, or Data Engineering with a significant focus on testing and validation.
  • Deep hands-on experience with Snowflake, including architecture, data structures, performance optimization, and best practices.
  • Advanced proficiency in SQL and experience developing complex queries for data validation and analysis.
  • Strong experience testing complex ETL/ELT pipelines and modern data integration solutions.
  • Experience working with tools and frameworks such as dbt, Fivetran, or similar data engineering technologies.
  • Experience designing and implementing automated data testing frameworks.
  • Strong understanding of data warehousing concepts, dimensional modeling, and data quality principles.
  • Experience integrating automated testing into CI/CD environments.
  • Excellent analytical, troubleshooting, and problem-solving skills with strong attention to detail.
  • Strong communication and stakeholder management skills with experience working in Agile delivery teams.

Preferred Qualifications

  • Hands-on experience or strong familiarity with Snowflake Cortex AI.
  • Experience testing AI, machine learning, or generative AI-enabled applications.
  • Knowledge of cloud-based data architectures and modern data platforms.
  • Experience with data observability, monitoring, and quality management tools.
  • Relevant Snowflake, cloud, or data engineering certifications.

Why Cognizant

  • Work with industry-leading cloud, data, and AI technologies.
  • Collaborate with highly skilled global teams on innovative transformation programs.
  • Access continuous learning, certification, and career growth opportunities.
  • Be part of an inclusive culture that values diversity, innovation, and professional development.

Equal Opportunity Employer Statement

Cognizant is an equal opportunity employer. We are committed to fostering a workplace where all employees are valued, respected, and empowered to succeed. Employment decisions are made without regard to race, color, religion, sex, gender identity or expression, sexual orientation, national origin, disability, veteran status, or any other protected characteristic under applicable law.

We are committed to providing reasonable accommodations for qualified individuals with disabilities during the application and employment process. Please contact us if you require accommodation or assistance.

Compensation

  • Base Salary Range: $100,000 – $115,000 per year
  • Final compensation is based on experience, skills, and location
  • Eligible for performance-based bonuses and incentive compensation

Benefits

Cognizant offers a comprehensive benefits package designed to support your overall well-being and career growth:

  • Health & Wellness: Medical, dental, and vision insurance
  • Financial Security: 401(k) with company match, life insurance, disability coverage
  • Time Off: Generous PTO, paid holidays, and parental leave
  • Learning & Development: Training programs, certifications, and career advancement opportunities
  • Flexible Work Model: Hybrid work environment supporting work-life balance
  • Employee Programs: Wellness initiatives, employee resource groups, and recognition programs

Why Join Cognizant?

  • Work on enterprise-scale data and analytics platforms
  • Collaborate with global teams and industry-leading clients
  • Grow your career in a high-impact, data-driven environment
  • Be part of a culture focused on innovation, inclusion, and excellence

What we offer

  • The chance to work with impact. Here, you’re empowered to bring your biggest thinking to help our company and clients improve everyday life.
  • Ownership over your career. Stay at the top of your game through our award-winning learning and development ecosystem. And when your ambitions change or we offer new opportunities, we help you pivot by providing reskilling, on-the-job learning and guidance to find new roles that might be a better fit.
  • The opportunity to thrive on a high caliber team with heart. We celebrate each other’s experiences and perspectives and promote a sense of belonging through our affinity groups and diversity and inclusion initiatives.
  • A comprehensive total rewards package, including a competitive salary and a pension plan with matching contributions.
  • Flexible health and financial benefits to support you and your eligible dependents—from day one.
  • True work-life balance. Be at your best through paid time off, flexible work arrangements, volunteering opportunities, social events, and so much more.  

About us
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, building the bridge between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization’s unique context into technology systems that amplify human potential, realize tangible returns and keep global enterprises ahead in a fast-changing world. See how at www.cognizant.com or @cognizant.

Other employment-related information
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, provincial or local laws.

If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] with your request and contact information.

Language requirements vary depending on roles, but we ask that all candidates have basic English proficiency for company-wide communications purposes. For roles based in Quebec, professional English proficiency is required, as you’ll deliver services to and collaborate with stakeholders outside the province who may not speak French.

Your path to Cognizant

Wondering what to expect after you apply? Here’s a peek at our recruitment process—and keep in mind that not all candidates advance through every step and the process may vary depending on your role and location.

Your Application Midnight Blue RGB

Step 1: Application

Find an open role that aligns with your skills and career goals and show us why you’re the person for the job. Consider joining our Talent Community if you don’t find the right opportunity.

Phone Call Midnight Blue RGB

Step 2: Recruiter call

If one of our recruiters sees a fit, they’ll set up a short introductory call to learn more about you and how your experiences and skills align with the role.

Step 3: Interview(s)

If you and our team would like to continue the process, you’ll meet with one of our hiring managers. Some roles may also require technical assessments and/or client interviews.

Step 4: Final decision

Our hiring team will then review each candidates’ potential to succeed in the role. This process may take some time because we want to get it right—but you can count on us to keep you updated.

Benefits that help you thrive and grow

Our teams achieve incredible things when they feel fully supported. That’s why our benefits program is built around the diverse needs of our people—so they can enjoy a fulfilling, balanced and healthy life.

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Financial wellbeing

Financial wellbeing

We regularly review market data to ensure compensation is competitive and reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, discount programs, etc.

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Physical and mental wellbeing

Physical and mental wellbeing

We empower you to prioritize your wellbeing through paid time off, flexible working where possible, healthcare plans, counselling, our Mental Health Allyship program and more. 

Your Career, Your Way
Your career, your way

Your career, your way

With 90% of our associates building skills through GenAI training, job shadowing, industry certifications and more, you have everything you need to build a full career.

Professionals
Real-world impact

Real-world impact

Think about the biggest brands you rely on. Chances are, they rely on us to help strengthen their business. Here, you’ll turn bold ideas into solutions that improve lives everywhere.

02.2026 Superlearner Debashish
"Cognizant has one of the best learning ecosystems you can ask for. From sponsored certifications to training platforms to mentorship, we have all that we need to grow.”
Debashish Mishra SAP MM Developer
Laura Reynaud
"Cognizant offers me more than a job; it offers a community. We support each other, collaborate across borders and celebrate wins together. If you’re looking for a culture that values flexibility, diversity and growth, this is the place to be."
Laura Reynaud Lead Counsel
Lucas Hoffman
“I’ve had the chance to work on impactful projects and shadow colleagues, all while getting involved in internal initiatives. The world is your oyster at Cognizant—you just need to take advantage of it!”
Lucas Hoffman Consultant
Sujatha’S Journey Main
“When I first joined, I was quiet and hesitant to share my thoughts. The leadership programs and the mentoring I’ve received have helped me find my voice and grow as a leader.”
Sujatha Gopalakrishnan Portfolio Delivery Lead
Paulo Miguel Epili Main
"Nobody here says ‘that’s not my job.’ People just help. That’s the entrepreneurial culture that makes me stay at Cognizant.”
Paulo Miguel Epili Sr. Process Executive

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