Your Complete Guide to Finding a Mainframe Job in 2025
The best job boards, remote opportunities, and entry-level programs.
Browse open positions for z/OS developers, administrators, analysts, and operators in Canada.
.png&w=48&q=75){kind=small}
Employers hiring for people with expertise in z/OS also frequently require knowledge of Mainframe, JCL, DB2, and CICS. This is based on data from over 218 z/OS listings.
There's currently not enough data.
These cities in Canada have the most job openings requiring z/OS expertise.
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, Rocket Software, Kyndryl India, and IBM together with 101 more are actively hiring in the space.
Insights related to the expertise required for this role.
The best job boards, remote opportunities, and entry-level programs.
Common questions about Backbone Jobs and how we help you find your next role.