Mainframe Tester

We are seeking a highly skilled and detail-oriented Mainframe Tester to join our QA team. The ideal candidate will be responsible for ensuring the quality and reliability of applications running on mainframe systems. You will execute test plans, perform various types of testing, and collaborate with cross-functional teams to ensure system functionality, performance, and stability.Key Responsibilities: ? Analyze requirements, technical specifications, and design documents to create detailed and comprehensive test plans for mainframe applications. ? Develop, document, and execute test cases, scripts, and scenarios for functional, performance, and regression testing. ? Test the integration of mainframe applications with other systems and platforms. ? Utilize tools such as JCL, COBOL, DB2, CICS, and VSAM for testing purposes. ? Execute batch jobs and validate mainframe databases, ensuring data accuracy and application performance. ? Report and document defects, issues, and improvements using test management tools such as Client ALM, Jira, or similar. ? Work closely with developers, analysts, and other testers to validate bug fixes and ensure system integrity. ? Perform system, user acceptance (UAT), and end-to-end testing to validate application functionality. ? Ensure compliance with regulatory and security requirements during testing. ? Assist in test automation efforts for mainframe applications where applicable.Required Skills and Qualifications: ? Bachelor's degree in Computer Science, Information Technology, or a related field. ? Proven experience as a Mainframe Tester or in a similar role. ? Strong knowledge of mainframe systems, specifically COBOL, JCL, DB2, CICS, VSAM. ? Experience with test management and defect tracking tools (e.g., Client ALM, Jira). ? Familiarity with batch processing, data validation, and data migration testing. ? Strong understanding of QA methodologies, SDLC (Software Development Life Cycle), and STLC (Software Testing Life Cycle). ? Analytical mindset with excellent problem-solving skills and attention to detail. ? Good verbal and written communication skills to work effectively with the development team and stakeholders. ? Ability to manage multiple tasks and meet tight deadlines in a fast-paced environment.Preferred Qualifications: ? Experience with test automation for mainframe environments. ? Knowledge of FTP, file transfer protocols, and encryption in mainframe systems. ? Familiarity with Agile methodologies and tools like Jenkins or similar CI/CD tools. ? ISTQB or other relevant testing certification is a plus.Working Conditions: ? The position may require occasional on-call support for urgent testing requirements. ? Hybrid or remote working options available de Mainframe DB2 - Application Development, System Z - Enterprise COBOL

Diverse Lynx LLC is an Equal Employment Opportunity employer. All qualified applicants will receive due consideration for employment without any discrimination. All applicants will be evaluated solely on the basis of their ability, competence and their proven capability to perform the functions outlined in the corresponding role. We promote and support a diverse workforce across all levels in the company.