We are looking for a **Senior Mainframe Tester** to manage and oversee the testing processes for our banking client. The ideal candidate will be responsible for testing mainframe applications and systems to ensure they meet client requirements and are functioning correctly. **About Cognizant’s QEA Practice:** We are the largest Quality Assurance Practice Globally servicing 800+ Clients including 50+ clients in the Fortune 100. We bring industry-leading vision and expertise to help with the Quality Engineering transformation journey for our reputed clients. We provide Next Gen QA offerings like System Modernization assurance, Business Process Assurance, Quality Engineering, Cloud Platform Assurance, Customer Experience Assurance and Robotic Test Automation. We have been ranked #1 for Market Impact by Everest Group four times in a row and ranked #1 for completeness of vision, test advisory and Digital Business Assurance in Gartner Magic Quadrant! **In this role, you will:** + Perform testing of mainframe applications. + Develop and maintain test cases and test data, using automated testing tools where appropriate. + Involved in testing both web UI and batch mainframe backend testing. + Develop and Maintain both Batch and Online Applications using Mainframe Technologies COBOL, JCL, DB2, + Implement different types of testing, like functional, integration, regression, and performance testing on mainframe applications. + Collaborate with multi-functional teams, including developers, business analysts, and project managers, to ensure alignment on testing objectives. + Should be able to perform various task related to Mainframe Testing like JCL - Abended & errors jobs handling, Program execution with input file and output file, File edit, File overwrite, View File manager, GDG handling, Restart process, JCL Scanning ability after run the job, JCL Flat file handling, VSAM file handling & overwrite, How to check SDSF after run the job, CA-7 scheduler, How to check dependencies in CA-7, In sync and in Find Text, HEXA Value, HEXA Dismal values read ability. **What you’ll need to succeed (required skills):** + Must have 5+ years of experience in mainframe testing. + Strong experience in mainframe environments (z/OS, JCL, REXX, etc.). + Must have worked on COBOL, JCL, DB2 and Batch Job execution. + Proficiency in automation tools such as CA Workload Automation (ESP), IBM Z Workload Scheduler, or equivalent. + Good experience in handling production (PROD) environment, migrating app from Test environment to Prod environment. + Proficient in bug tracking and test management tool-sets (JIRA, SVN, GIT, Jenkins, HP-ALM) + Knowledge of automation testing tools and methodologies. + Should have worked on Agile based project. **What will help you stand out (preferred skills):** + Strong Banking Domain Knowledge. At Cognizant, we're eager to meet people who believe in our mission and can make an impact in various ways. We strongly encourage you to apply even if you only meet the required skills listed. Consider what transferrable experience and skills make you a unique applicant and help us see how you'd be beneficial to this role. **Cognizant will only consider applicants for this position who are legally authorized to work in Canada without requiring employer sponsorship, now or at any time in the future.** **Working arrangements:** We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role’s business requirements, this is a hybrid position requiring **3 days a week** in a client office in Toronto location. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various well-being programs. **Note:** The working arrangements for this role are accurate as of the date of posting. This may change based on the project you’re engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations. Cognizant is an equal opportunity employer that embraces diversity, champions equity and values inclusion. We are dedicated to nurturing a community where everyone feels heard, accepted and welcome. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other protected characteristic as outlined by federal, state or local laws.