# Modern Mainframe DevOps: Automate CI/CD for z/OS Application

DevFeed: [Modern Mainframe DevOps: Automate CI/CD for z/OS Application](<https://devfeed.tech/articles/modern-mainframe-devops-automate-ci-cd-for-z-os-application-13452.md>)

Original publisher: [Read original article](<https://www.harness.io/blog/mainframe-devops-modern-ci-cd-for-big-iron>)

Author: Eric Minick

Published: 2026-06-10T00:00:00Z

Content type: article

Language: en

Sources: [Harness Blog](<https://devfeed.tech/sources/harness-blog.md>)

Topics: [Mainframe](<https://devfeed.tech/topics/mainframe.md>), [CI/CD](<https://devfeed.tech/topics/cicd.md>), [DevOps](<https://devfeed.tech/topics/devops.md>), [Platform Engineering](<https://devfeed.tech/topics/platform-engineering.md>), [Deployment](<https://devfeed.tech/topics/deployment.md>), [Developer experience](<https://devfeed.tech/topics/developer-experience.md>), [dora metrics](<https://devfeed.tech/topics/dora-metrics.md>)

Tags: [automated](<https://devfeed.tech/tags/automated.md>), [ci](<https://devfeed.tech/tags/ci.md>), [ci-cd](<https://devfeed.tech/tags/ci-cd.md>), [declarative](<https://devfeed.tech/tags/declarative.md>), [deployment](<https://devfeed.tech/tags/deployment.md>), [developer-experience](<https://devfeed.tech/tags/developer-experience.md>), [developer-platform](<https://devfeed.tech/tags/developer-platform.md>), [developer-productivity](<https://devfeed.tech/tags/developer-productivity.md>), [devops](<https://devfeed.tech/tags/devops.md>), [dora-metrics](<https://devfeed.tech/tags/dora-metrics.md>), [os](<https://devfeed.tech/tags/os.md>), [pipelines](<https://devfeed.tech/tags/pipelines.md>), [platform](<https://devfeed.tech/tags/platform.md>), [platform-engineering](<https://devfeed.tech/tags/platform-engineering.md>), [platforms](<https://devfeed.tech/tags/platforms.md>), [software](<https://devfeed.tech/tags/software.md>), [toolchain](<https://devfeed.tech/tags/toolchain.md>), [tooling](<https://devfeed.tech/tags/tooling.md>), [workflows](<https://devfeed.tech/tags/workflows.md>)

## AI overview

The article explains how platform engineering teams can integrate mainframe applications into unified CI/CD workflows alongside cloud-native services. It argues that replacing isolated, script-heavy mainframe processes with automated, declarative pipelines can improve visibility, coordinate cross-tier releases, and reduce operational overhead.

## Source excerpt

Drive developer productivity by replacing brittle, legacy mainframe scripts with declarative, secure, and fully automated multi-tier release pipelines. | Blog