Your Complete Guide to Finding a Mainframe Job in 2025
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Employers hiring for people with expertise in IBM Z also frequently require knowledge of Mainframe, z/OS, COBOL, and JCL. This is based on data from over 124 IBM Z listings.
Based on 46 job openings, the average salary for IBM Z professionals is $125,674. Specific salaries vary depending on experience and role.
IBM z is the modern evolution of IBM’s mainframe hardware line, tracing its roots back to the System/360 family introduced in the 1960s. It was built to handle extreme transaction volumes with unmatched reliability and security.
Today, IBM z systems support traditional mainframe workloads alongside Linux, containers, and AI acceleration. They are heavily used in banking, insurance, government, and large enterprises where high availability, encryption, and scalability are mission-critical.
The demand for IBM Z professionals remains steady. Companies like Kyndryl, Visa, ensono, and DTCC together with 61 more are actively hiring in the space.
IBM Z expertise is in demand globally. These are the 5 countries with the most IBM Z job listings.
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Are COBOL jobs still in demand in 2025?