Worked on the smithy-lang/smithy repository to deliver ISO Partitions Dualstack Support by updating the partitions.json configuration file. This change enabled seamless dual-stack IPv4/IPv6 operation within ISO partitions, reducing the need for manual configuration and improving deployment readiness for both cloud and on-premises environments. The work required careful configuration management and precise change control, focusing on a single, well-defined feature without introducing related bugs. Leveraged skills in JSON and configuration management to ensure the update was robust and maintainable. The approach demonstrated attention to detail and a clear understanding of deployment requirements in modern networked systems.