Ilya worked on the deckhouse/deckhouse repository, delivering AWS Subnet Tagging for Resource Identification to enhance cloud infrastructure management. Using Terraform and HCL, Ilya implemented a system that automatically applies consistent tags to AWS subnets, enabling improved resource identification, cost allocation, and operational oversight. The approach focused on integrating tagging logic with existing infrastructure-as-code workflows, ensuring backward compatibility and minimal migration impact. By validating changes through targeted checks and code review, Ilya supported better governance and lifecycle tracking. This work deepened infrastructure observability and streamlined incident analysis, reflecting a focused contribution to cloud resource management within a short timeframe.