Jorge Del Guerrero modernized configuration management for MATSim in the maxim-masterov/easybuild-easyconfigs repository, introducing easyconfig files for the 2024.0 release with Java 21 and GCCcore-13.3.0 to streamline builds and ensure compatibility with modern toolchains. He also enhanced data visualization usability in the easybuilders/easybuild-easyconfigs repository by adding an easyconfig for Grace 5.1.25, enabling two-dimensional plotting of numerical data. Using Python and Java, Jorge focused on repository hygiene by removing deprecated configuration files and outdated references, reducing maintenance overhead and improving clarity. His work demonstrated depth in DevOps, build systems, and configuration management within a short timeframe.