Josephine Pfeiffer
Senior Cloud Native Consultant, Red Hat
Zürich, Switzerland
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Josephine is a Red Hatter specializing in infrastructure and Security from the cloud to mainframe and everything in between.
She has worked for enterprises, SMEs, and startups in roles spanning platform engineering, DevOps, Site Reliability Engineering, and technology management.
She is an active open-source contributor to Kubernetes-related projects such as Backstage and Kube-burner.
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Mainframes Aren’t Dead, They’re Just Running Kubernetes Now
Mainframes have been declared dead more times than JavaScript frameworks have been invented—but here they are, still running the backbone of global finance, government, and enterprise computing. And now? They’re running Kubernetes too.
This talk dives into the why and how of running Kubernetes on mainframes, from containerization on z/OS to networking, workload orchestration, and real-world use cases. We’ll break down the challenges, the benefits, and whether this is a clever hack or a genuinely viable approach for modern infrastructure. If you think mainframes are relics, think again—because they’re running microservices now.
ContainerDays Conference 2025 Sessionize Event Upcoming
Open Source Summit North America 2025 Sessionize Event Upcoming
KCD Czech & Slovak 2025 Sessionize Event Upcoming
KCD Budapest 2025 Sessionize Event
Josephine Pfeiffer
Senior Cloud Native Consultant, Red Hat
Zürich, Switzerland
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