00068754461

• Date published May 03 2026
• Location Toronto, ON-199 Bay Street / Canada
• Job category Technology & Engineering
• Work model Hybrid

We are looking for a Senior ETL Tester to join our team for a permanent role. The ideal candidate will have deep hands-on experience with ETL, Python and a strong proficiency in SQL. You will play a critical role to enhance our automated regression testing coverage, maintain our test automation framework and ensuring the accuracy of large datasets, validating ETL processes, and contributing to automation initiatives across projects.

In this role, you will

• Design, develop, and execute test plans, test cases, and test scripts for ETL processes.
• Automate assigned areas/features using the existing Framework and provide the test estimations, build automation scripts using Python & Unix.
• Develop Python scripts to automate data validation and transformation tasks.
• Develop automated test scripts using SQL, Python, or other testing frameworks.
• Utilize SQL or any database querying language to compare, manage and manipulate data efficiently.
• Perform data quality checks and identify anomalies across multiple sources.
• Write optimized SQL queries and stored procedures for data extraction, transformation, and loading.
• Validate data mappings and transformations to ensure they meet business requirements.

Required skills

• Overall 7-10 years of overall testing experience with focus on ETL/Data Testing projects in the banking domain.
• Minimum 3 years of experience in automated testing with Python.
• 2+ years of hands on experience in UNIX. Strong knowledge and expertise of Unix / Linux commands and scripting including file operations, manipulation and compare.
• Must have good experience with SQL database and writing complex SQL queries.
• Must have strong ETL process/SQL, ORACLE, Hive complex query writing skills.
• 3+ years of hands on experience in SQL. Should be able to write complex joins, unions, case and aggregations. Ability to compare large datasets using SQL, Python.
• Strong understanding the database concepts (indexes, constrains, normalization).
• Experience in a variety of test automation frameworks/tools e.g., (Cucumber, Robot Framework, SoapUI, Selenium, TestNG) and script development using Python.
• Proficient with Quality processes, test deliverables, defining Test Strategies, Test Plans and evaluating Risk Coverage.

Preferred skills

• Experience in the banking domain is a plus.
• Experience with AI/ML-powered testing tools and techniques.
• Cloud platform experience (AWS, Azure, GCP).
• Experience with Linux and shell scripting.

We're eager to meet people who our mission and can make an impact in various ways. Don't hesitate to apply, even if you only meet the required skills listed. Your transferable skills and experiences matter—help us see how you the right person for this role.

Total compensation:

We regularly assess market data to ensure we offer a competitive compensation package for our associates. The base salary for this position ranges between CAD 70,000 – 90,000 per year. Where the successful candidate may fall within the range depends on relevant education, work and/or management experience and other business-related and job-necessary qualifications. This position is also eligible for Cognizant’s discretionary annual performance-based bonus, as well as benefits that support your physical, mental and financial wellbeing.

Working arrangements

We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements**, this is a hybrid position requiring 4 days a week in a client or Cognizant office in Toronto****, ON**. Regardless of your working arrangement, we are here to support a healthy work-life balance though our various wellbeing programs.

The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.

Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.

Applications for this position are reviewed by our recruitment team without the use of artificial intelligence screening tools.

The Cognizant community:

We are a high caliber team who appreciate and support one another. Our people uphold an energetic, collaborative and inclusive workplace where everyone can thrive.

• Cognizant is a global community with more than 300,000 associates around the world.
• We don’t just dream of a better way – we make it happen.
• We take care of our people, clients, company, communities and climate by doing what’s right.
• We foster an innovative environment where you can build the career path that’s right for you.

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.

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 CareersIndia2@cognizant.com with your request and contact information.

Disclaimer:
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.

d