What is a mainframe migration?

A Mainframe Migration job involves transitioning applications, data, and processes from a legacy mainframe system to a modern computing environment, such as cloud platforms or distributed systems. This process includes assessing the existing mainframe infrastructure, planning the migration strategy, and ensuring minimal disruption to business operations. Professionals in this role work on re-hosting, re-platforming, or re-architecting applications while maintaining performance, security, and reliability. The goal is to reduce costs, improve scalability, and enhance system flexibility.