Senior Tester
India
Job Description
Senior Tester
| Bengaluru, KarnatakaChennai, Tamil Nadu

Job Summary

We are looking for a Mainframe Test Engineer with strong experience in Banking and Financial Services projects. The candidate should have expertise in (COBOL, JCL, CICKS ,DB2, SQL)

Key Responsibilities

Validate data extracted from Mainframe files.

Validate source-to-target data mappings and transformation logic.

Perform Data Warehouse testing for banking applications.

Validate record counts, field mappings, data types, transformations.

Perform file level validations : Header/Trailer, recorded count, Fixed width field positions, data positions, date and numeric formats

Write SQL queries for source/target reconciliation and data validation.

Design and execute test cases for batch data loads and ETL workflows.

Identify data quality issues and perform root cause analysis.

Collaborate with business analysts, developers, and data engineers.

Participate in defect tracking and test reporting activities.

Skill Requirements

Experience in Mainframe files/data validation.

Strong SQL writing and query optimization skills.

Exposure with Any ETL Tools (such as Informatica, DataStage Designer, or equivalent).

Hands-on expertise in SQL for data integration and management.

Strong analytical, problem-solving, and solution design skills.

Bachelor's or master's degree in computer science, Information Technology, Engineering, or a related discipline. Banking or Financial Services domain experience.

Experience with one or more databases:

Other Requirements

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.