During March 2025, this developer focused on maintaining secure and reliable infrastructure for the UKHSA-Internal/data-dashboard-infra repository. They addressed an access issue by updating the IP whitelist in the ip-allow-lists.tf file, ensuring that authorized users retained necessary permissions while aligning with organizational security policies. The solution involved a targeted Infrastructure as Code change using Terraform, which was committed to version control for traceability and auditability. After implementing the update, they verified access permissions to prevent potential outages. Their work demonstrated attention to operational continuity and security, leveraging skills in Terraform and Infrastructure as Code to deliver a precise, validated fix.