Must-Have Skills 1. SQL & Data Validation

• Strong SQL querying (joins, aggregations, complex queries)
• Ability to validate large datasets across source & target systems

2. ETL Testing

• Experience in testing ETL pipelines (Informatica, Talend, SSIS, etc.)
• Understanding of data flow, transformations, and mapping validation

3. Data Warehousing Concepts

• Knowledge of star/snowflake schemas, fact & dimension tables
• Understanding of OLAP systems and data models

4. BI/Reporting Testing

• Testing dashboards/reports in tools like Power BI, Tableau, Cognos
• Validating KPIs, drill-downs, filters, and visualisations

Nice-to-Have

Skills 1. Automation in Testing

• Experience with Selenium / API automation / scripting for data validation

2. Programming/Scripting

• Python / Shell scripting for data validation or automation

3. Cloud/Data Platforms

• Exposure to Azure, AWS, Snowflake, or Databricks

4. Domain Knowledge

• BFSI or any relevant domain (especially useful for your current portfolio like Mastercard/Nedbank context)

Bonus At Zensar, we’re “experience-led everything”. We are committed to conceptualizing, designing, engineering, marketing, and managing digital solutions and experiences for over 130 leading enterprises. We are a company driven by a bold purpose: Together, we shape experiences for better futures. Whether for our clients, our people, or the world around us, this belief powers everything we do. At the heart of our culture is ONE with Client - a set of four core values that reflect who we are and how we work: One Zensar, Nurturing, Empowering, and Client Focus. Part of the $4.8 billion RPG Group, we’re a community of 10,000+ innovators across 30+ global locations, including Milpitas, Seattle, Princeton, Cape Town, London, Zurich, Singapore, and Mexico City. Explore Life at Zensar and join us to Grow. Own. Achieve. Learn. to be the best version of yourself. We believe the best work happens when individuality is celebrated, growth is encouraged, and well-being is prioritized. We are an equal employment opportunity (EEO) and affirmative action employer, committed to creating an inclusive workplace. All qualified applicants will be considered without regard to race, creed, color, ancestry, religion, sex, national origin, citizenship, age, sexual orientation, gender identity, disability, marital status, family medical leave status, or protected veteran status.