This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
As part of the Mainframe Services team, you will contribute to the modernization and operational excellence of Mastercard’s core transaction processing systems. This role is critical to ensuring the reliability, scalability, and security of our mainframe infrastructure, which supports billions of transactions globally.
Job Responsibility:
Design, develop, and maintain COBOL, JCL, and DB2-based applications on z/OS
Collaborate with cross-functional teams to integrate mainframe services with distributed systems
Lead modernization efforts including migration to event-driven architectures and API enablement
Ensure compliance with Mastercard’s Mainframe Security Technical Standard
Participate in daily CRQ syncs and operational reviews
Mentor junior engineers and contribute to the SE Guild’s leveling and performance standards
Requirements:
5+ years of experience in mainframe development (COBOL, JCL, DB2)
Strong understanding of z/OS architecture and batch processing
Experience with file transfer gateways, SFTP protocols, and integration layers
Familiarity with Agile methodologies and CI/CD pipelines
Ability to work in a global team and communicate effectively across time zones
A passion for modernization and continuous improvement