Managing Legacy Infrastructure with Modern Automation Toolchains

Author(s)	Nadeem Siddiqui
Country	United States
Abstract	Legacy infrastructure is often at the center of critical enterprise systems. It runs core business applications, powers financial systems, and stores years of valuable data. However, these systems are famously hard to manage, secure, and scale. Today, agility and compliance are essential, so many wonder: how can modern automation tools help with legacy systems without causing chaos? This article looks at practical ways to automate aging infrastructure, connect old and new systems, and build a sustainable future for companies that can’t simply move everything to the cloud. We’ll discuss treating legacy as code, automating without major rewrites, and evolving infrastructure in a realistic, helpful, and even lighthearted way.
Keywords	Legacy Infrastructure, Automation Toolchains, Configuration Management, Infrastructure Modernization, Ansible, Puppet, Terraform, Technical Debt, CI/CD, Infrastructure as Code, Platform Engineering.
Field	Engineering
Published In	Volume 17, Issue 2, April-June 2026
Published On	2026-06-20
DOI	https://doi.org/10.71097/IJSAT.v17.i2.11330

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International Journal on Science and Technology