A podcast for engineers building and operating modern infrastructure. Powered by Zesty. Hosted by Omer Hamerman and Mark Serdze, The Cron Job explores Kubernetes quirks, cost optimization strategies, scaling, reliability, and the art of keeping things from catching fire in production, all while unpacking the deeper DevOps questions around ownership, automation, and the tradeoffs behind every engineering decision. Tune in for real-world stories, sharp insights, and the occasional infrastructu ...
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Zesty Tech Ltd Podcasts

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Episode 11: Is This the Best Language for K8s Applications?
22:19
22:19
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22:19In this episode, the hosts and their guest Ido Slonimsky delve into the ongoing debate about the best programming language for Kubernetes. They explore various languages, including Go and Rust, discussing their advantages and disadvantages in the context of Kubernetes development. The conversation highlights the importance of familiarity with tools…
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Episode 10: DevOps Horror Story of the Week
20:18
20:18
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20:18In this episode, Omer and Mark share their personal horror stories from the world of engineering, focusing on challenges faced in Kubernetes, DNS issues, security breaches, and the costs associated with cloud infrastructure. They discuss the importance of proper DNS configuration, the risks of exposing sensitive information in front-end code, and t…
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In this episode of theCronJob podcast, hosts Omer and Mark engage in a lively discussion about various hot takes in the tech industry, focusing on Kubernetes, DevOps, AI, and multi-cloud strategies. They explore the effectiveness of horizontal pod autoscaling, the risks associated with VPNs, the evolution of DevOps culture, and the implications of …
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Episode 8: How to Automate Pod Rightsizing?
23:16
23:16
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23:16In this episode of The Cron Job, Omer and Mark delve into the complexities of right sizing in Kubernetes, discussing the differences between horizontal and vertical scaling, the challenges of automating resource management, and the potential conflicts between Horizontal Pod Autoscaler (HPA) and Vertical Pod Autoscaler (VPA). They explore alternativ…
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Episode 7: The K8s Application Deployment Blueprint
21:07
21:07
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21:07In this episode, Omer and Mark discuss the challenges of deploying applications on Kubernetes, using a movie aggregator application as a case study. They explore the importance of understanding Kubernetes components, scaling, monitoring, and the benefits of using managed services to streamline deployment and reduce maintenance overhead. The twelve-…
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Episode 6: Have you ever seen a worst architecture?
21:12
21:12
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21:12In this episode of The Cron Job, Omer and Mark delve into the topic of bad architecture in software development, sharing real-world examples and discussing the implications of poor design choices. They explore the evolution of architectures, the importance of security, and the challenges posed by regulations. The conversation also highlights common…
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In this episode, Omer and Mark discuss the complexities of trusting open source software, particularly in the context of Kubernetes and other popular projects. They explore the evaluation process for open source projects, the risks associated with licensing changes, and the security concerns that arise from supply chain attacks. The conversation hi…
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You're not alone! In this candid episode of theCronJob, hosts Omer Hamerman and Mark Serdze dive into the messy side of infrastructure engineering by sharing real-world DevOps mishaps. From small misconfigurations to entire systems going sideways, they unpack how even seasoned pros can make mistakes—and more importantly, how to learn from them. Exp…
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This episode delves into the essential decision facing DevOps engineers and infrastructure architects: choosing between EKS and ECS. The hosts explore real-world tradeoffs between the two, EKS’s flexibility and portability as a Kubernetes-based solution versus ECS’s simplicity, tight AWS integration, and lower management overhead. They unpack when …
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Can AI render the DevOps role obsolete, or is it the ultimate augmentation tool? In Episode 2 of theCronJob, hosts Omer Hamerman and Mark Serdze put the provocative question ‘Will AI Kill DevOps?’ under the microscope. Expect a deep dive into how machine learning, generative AI, and automation are reshaping pipelines, troubleshooting, and observabi…
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Episode 1: DevOps Horror Story of the Week
20:38
20:38
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20:38Enjoy living DevOps nightmares? Tune into theCronJob’s first episode, DevOps Horror Story of the Week, where Omer Hamerman and Mark Serdze unravel a real production disaster—laced with Kubernetes quirks, runaway costs, and reliability gone rogue. Brace yourself: this is DevOps served straight from the chaos.…
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