Your Complete Guide to Finding a Mainframe Job in 2025
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Browse open positions for z/OS developers, administrators, analysts, and operators in India.
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Employers hiring for people with expertise in z/OS also frequently require knowledge of Mainframe, DB2, COBOL, and IBM Z. This is based on data from over 276 z/OS listings.
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z/OS is IBM’s flagship mainframe operating system, evolving from earlier systems such as OS/390. It was designed to manage large-scale workloads with high availability, workload management, and advanced security.
z/OS remains central to enterprise mainframe environments, supporting COBOL, PL/I, Java, and modern DevOps tooling. It is widely used in financial services, government, healthcare, and large-scale transaction processing environments where uptime and data integrity are critical.
The demand for z/OS professionals remains steady. Companies like Kyndryl, ensono, JPMorganChase, and Rocket Software together with 116 more are actively hiring in the space.
These cities in India have the most job openings requiring z/OS expertise.
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The best job boards, remote opportunities, and entry-level programs.