[İş Radarı](https://jobradar.live/) / [Jobs](https://jobradar.live/ilanlar) / Senior Mainframe Engineer - z/OS Upgrade Leader (Remote)

Active
Remote
Nebraska
Posted · 19.09.2026
Jooble US

# Senior Mainframe Engineer - z/OS Upgrade Leader (Remote)

First National Bank of Omaha

First National Bank of Omaha is seeking a Senior Mainframe Engineer to lead and modernize z/OS environments. The role focuses on standardizing upgrades, automations, and maintenance across enterprise mainframe platforms, delivering reliable service. You will guide teams...

This job was verified from Jooble US. Applications are completed on the original source.

[Apply on the original listing ↗](https://jobradar.live/ilan/fe3f59de-5d5b-4388-bc7d-0b63a2bcee0b/git)

## Stop searching one by one for roles like this.

Upload your resume or enter your target roles to see your first 3 matches for free.

[Find jobs for me →](https://jobradar.live/uye/kayit)
Your resume is never shared with employers; it is processed only for matching.

Something wrong with this job?