The Expert Who Never Retires: Agentic Root-Cause and Tested Fixes on IBM Z

IBM Z and LinuxONE Ecosystem Podcast

IBM Z and LinuxONE Ecosystem Podcast
The Expert Who Never Retires: Agentic Root-Cause and Tested Fixes on IBM Z
Sep 01, 2026
IBM Z and LinuxONE Community

Every bank has one - the engineer who is the only one that understands a critical system, and who is about to retire. In this episode, Tweezr CEO Ohad Kotler argues that the reason AI has transformed software development everywhere except the banking core isn't the code, it's the missing feedback loop: no machine-readable requirement, no visible dependencies, no fast tests. He discusses building a deterministic blueprint of an entire estate - COBOL, PL/I, Natural, Assembler, RPG, Java and the distributed systems around them - running on IBM Z and LinuxONE, and what becomes possible when agents can finally do root-cause analysis against something they actually understand.

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