test manager
- Hiring from
- Spain
- Work type
- Hybrid
- Posted
- Sep 28, 2026
As a Senior Tester, you will own quality across one of the most complex data migration programmes in the financial sector — ensuring that every byte of data moved from Teradata to Snowflake is accurate, complete and production-ready. Your rigour will define the programme's success.
HIGH QUALITY PROJECTS | LATEST TECHNOLOGIES | REMOTE WITHIN SPAIN | LEARNING & GROWTH
ABOUT THE ROLE
We are seeking an experienced Senior Tester to lead the end-to-end testing strategy for a large-scale Teradata-to-Snowflake migration in the banking sector. You will define test coverage, build and execute test plans, drive automation, and act as the quality gate for ETL pipelines, data reconciliation and cutover readiness. This is a senior, client-facing role with responsibility for mentoring junior testers and reporting quality metrics to programme leadership.
KEY RESPONSIBILITIES
· Define the overall test strategy, scope and coverage framework for the Teradata to Snowflake migration.
· Create, maintain and execute test plans and test cases for ETL pipelines and data validation (IDMC preferred).
· Perform source-to-target reconciliation; validate transformations, mappings, business rules and referential integrity.
· Test full and incremental data loads, error handling, regression scenarios and performance benchmarks.
· Lead parallel run and cutover readiness testing activities.
· Track and report defects and quality metrics using JIRA and/or HP ALM.
· Collaborate with data engineers, business analysts and business stakeholders throughout the test lifecycle.
· Drive test automation for repeatable validation checks; support CI/CD integration of ETL tests.
· Mentor and guide junior testers within the team.
REQUIRED SKILLS & EXPERIENCE
· Extensive ETL and data warehouse testing experience on large-scale migration programmes.
· Strong SQL skills across both Snowflake and Teradata environments.
· Hands-on experience with Informatica IDMC (preferred) or PowerCenter.
· Deep expertise in data migration testing: schema mapping, datatype conversions, SCD handling and star schema (fact/dimension) validation.
· Experience with Snowflake on Azure.
· Full test lifecycle ownership: SIT, Integration, UAT, parallel run and cutover.
· Defect management and reporting using JIRA and/or HP ALM.
Nice to have:
· Scripting skills in Python or Shell/PowerShell for test automation.
· CI/CD and DevOps exposure applied to data pipeline testing.
· BFSI domain experience.
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap 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, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
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, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email CareersNA2@cognizant.com for roles based in the Americas or CareersIndia2@cognizant.com for roles based in India.
Benefits that help you thrive and grow
Our benefits program is built with you in mind—so you can enjoy a fulfilling, balanced and healthy life.
Financial wellbeing
We regularly review market data to ensure compensation reflects the value you bring. Your benefits extend beyond pay and may include retirement plans, financial education, etc.
Physical and mental health
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
With 350,000+ roles at Cognizant, you’ll have opportunities explore new technologies, industries and locations—and build the skills you need to grow your career.
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.
Your path to Cognizant
Here’s what you can expect from our hiring process. Please keep in mind that it may vary by role and location. Explore our FAQs to learn more.
Step 1: Apply to the right opportunity
Find an open role that matches your skills and career goals and show us why you’re the person for the job. Don’t see the right opportunity? Consider joining our Talent Community.
Step 2: Connect with your recruiter
If one of our recruiters sees a fit, they’ll set up a short intro call to learn more about you and how your experiences and skills match the role.
Step 3: Show off your skills
If you and our team would like to continue the process, you’ll interview with our hiring team. Some roles may also require technical assessments and/or client interviews.
Step 4: Decision time
Our team will then review each candidates’ potential to succeed in the role. This step may take some time because we want to find the right fit for both you and us—but you can count on us to keep you updated.
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