Nik Browning developed a build variant management system for the eth-cscs/alps-uenv repository, focusing on improving clarity and maintainability for LAMMPS deployments. He separated LAMMPS build configurations into distinct environments for Kokkos and GPU packages, allowing users to select specific builds tailored to their needs. This work involved updating YAML configuration files and Markdown documentation to reflect the new structure, streamlining the build process and reducing ambiguity for high-performance computing users. Leveraging skills in build systems and configuration management, Nik delivered a targeted solution that supports more efficient and transparent deployment of LAMMPS variants within HPC environments.