Inclusion without Exception

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.

Tata Consultancy Services (BSE: 532540, NSE: TCS) is the technology partner of choice for industry-leading organizations worldwide. Since its inception in 1968, TCS has upheld the highest standards of innovation, engineering excellence and customer service.

It has set an aspiration to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.

Rooted in the heritage of the Tata Group, TCS is focused on creating long term value for its clients, its investors, its employees, and the community at large. With a highly skilled workforce spread across 56 countries and 194 service delivery centers across the world, the company has been recognized as a top employer in six continents. With the ability to rapidly apply and scale recent technologies, the company has built long term partnerships with its clients.

Many of these relationships have endured into decades and navigated every technology cycle, from mainframes in the 1970s to artificial intelligence today.

Roles and Responsibility

Key Responsibilities

Analyze legacy systems, source-to-target mappings, and business requirements to define data migration and integration objectives.

Trace target data elements to source systems and perform data profiling, validation, and impact analysis using SQL.

Document end-to-end data lineage, transformation rules, surrogate key logic, and reference data dependencies.





Review existing ETL processes and legacy code to identify and document business rules where mapping specifications are unavailable.

Collaborate with Business Analysts, Solution Architects, and stakeholders to design and validate L2/L3 data models.

Prepare technical design documents, data movement models, and source-to-target mapping specifications for new data solutions.

Design and implement key management and surrogate key generation processes across L2 and L3 layers.

Develop, maintain, and optimize scalable AWS-based data pipelines using services such as S3, Glue, Lambda, Redshift, and Step Functions.

Support migration of legacy data warehouse platforms, including IBM Netezza, to AWS-based data lake and analytics environments.

Ensure data quality, governance, security, compliance, and metadata management standards are adhered to throughout the data lifecycle.

Collaborate with data scientists, business teams, and technology teams to integrate analytical models and enterprise data assets.

Automate deployments through CI/CD pipelines and support unit testing, SIT, UAT, performance testing, and production releases.

Monitor, troubleshoot, and optimize data processing frameworks to improve performance, scalability, and cost efficiency.

Develop reusable design patterns, onboarding frameworks, and best practices for enterprise data integration initiatives.

Salary Range - CA$ 100,000 - CA$ 120,000 Per Year

TCS does not use artificial intelligence tools for candidate screening or evaluation. This post is for a current vacancy. The hiring process includes an initial screening, followed by a technical evaluation and managerial discussion.

Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources.

Thank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period. We invite you to continue to apply for other opportunities that match your profile.

📌 Senior Business Analyst (Toronto)
🏢 TATA Consultancy Services
📍 Toronto