Mainframe Test Automation Engineer (SDET) - Fulltime

Role: Mainframe Test Automation Engineer (SDET)

Location: Dallas, TX / Burlington, MA / Raleigh, NC (On-site)

Full-time role

Job Summary

Capgemini is seeking experienced Mainframe Test Automation Engineers (SDETs) to join its quality engineering team. The ideal candidates will have strong hands-on experience in Mainframe application testing, batch processing, file validation, and test automation.

Candidates should possess solid knowledge of Mainframe technologies, including TSO/ISPF, JCL, VSAM, DB2, and CICS, along with experience using Jegacy or similar Mainframe automation tools. Knowledge of Java-based automation frameworks and REST API testing is highly desirable.

Key Responsibilities

· Perform functional, integration, regression, and end-to-end testing of Mainframe applications.

· Develop and execute test scenarios for Mainframe applications, batch jobs, and data processing.

· Validate batch processing, file transfers, and data integrity across Mainframe systems.

· Work extensively with TSO/ISPF, JCL, VSAM, DB2, and CICS environments.

· Design, develop, and maintain automated test scripts using Jegacy or similar Mainframe automation tools.

· Utilize Java-based automation frameworks to build reusable and maintainable test solutions.

· Perform API testing using Rest Assured or comparable automation tools.

· Analyze test results, identify defects, troubleshoot issues, and collaborate with development teams to resolve them.

· Participate in test planning, test case design, execution, and defect management.

· Ensure quality, reliability, and performance of enterprise Mainframe applications.

Required Skills & Qualifications

· Strong hands-on experience in Mainframe application testing.

· Good knowledge of TSO/ISPF, JCL, VSAM, DB2, and CICS.

· Experience with Mainframe batch processing and file validation.

· Hands-on experience with Mainframe test automation tools such as Jegacy or similar tools.

· Good understanding of Java-based test automation frameworks.

· Experience developing reusable and maintainable automation scripts.

· Strong understanding of functional, regression, and integration testing.

· Ability to analyse test results, identify defects, and troubleshoot Mainframe application issues.

· Excellent analytical, problem-solving, and communication skills.

Preferred Skills

· Experience with Rest Assured or comparable API automation tools.

· Knowledge of Java programming and automation framework development.

· Experience with Agile/Scrum methodologies.

· Experience working on enterprise-scale Mainframe applications, preferably in banking or financial services.