To achieve the Legacy Survey of Space and Time (LSST) primary scientific goals, a detailed understanding of the integrated as-built system performance of the Rubin observatory, telescope, camera, image processing and their relation to final derived data products is required. Since the beginning of construction, to achieve a deep understanding of the overall system, the project has developed and used several tools and analysis processes, which are mostly written in Python. The System Performance Postdoctoral Researcher position is extensively involved with the continuing assessment of the project's...