Montgomery & Associates (M&A) is seeking a full-time groundwater modeler to support our water agency clients for our growing team and portfolio of projects in California. This position will be associated with one of our two largest offices (Oakland or Sacramento). Our team is currently working approximately 50% in the office and 50% remotely. Our company of highly respected water resources professionals, headquartered in Tucson, Arizona, has been in business since 1984 and is growing, with recent expansions in the western United States and South America. In California, our team comprises 22 professionals located in 5 offices: Oakland, Sacramento, Monterey, Pasadena, and San Luis Obispo. This position will support projects and tasks throughout California, primarily related to the implementation of the Sustainable Groundwater Management Act. The role offers an exciting opportunity to work with an enthusiastic team of water resource scientists and engineers. Technical work duties for tasks and projects that focus on quantitative hydrogeology and groundwater resources management may include: Interpreting lithologic, hydrologic testing, depth-specific water quality, and borehole geophysical data Compiling, processing, and analyzing hydrogeologic data using spreadsheets, databases, GIS, graphing software, and computer programming Developing hydrogeologic conceptual models and water budgets Developing numerical groundwater flow and transport models Conducting pre-and post-processing of model inputs and results of predictive modeling runs and implementing model updates Managing groundwater model tasks and activities Preparing data summaries, presentations, and technical reports/memos Participating in client meetings/teleconferences to present program results and recommendations