This position will assist the Furst Lab at the Occoquan Watershed Monitoring Lab (OWML) in GIS modeling, laboratory, field work related to a research project on water contamination from septic systems. A successful candidate will have prior experience modeling soil topographic information and pluvial flooding conditions in GIS, collecting PFAS samples, and performing water quality analyses. Primary duties include: Assisting with field work to collect PFAS water and sediment samples following standard protocols; performing basic water quality analyses in the field and laboratory, including nutrients, TSS, total organic matter and fluorescence spectroscopy; assisting with PFAS and PPCP sample preparation, extraction and LC-MS/MS analysis; following proper sanitation procedures and environmental health and safety procedures; assisting with data analysis in Insight, Excel and Python; preparing maps in ArcGIS and performing GIS analyses on the collected data; assisting researchers with the preparation of reports and manuscripts; attend and present at project team meetings and research group meetings. This is an off-campus position at the Occoquan Watershed Monitoring Lab, located in Manassas, Virginia.