Experience in modeling inverter-based resources and renewable generation, such as Wind Turbine Generators (WTG), photovoltaic (PV), Battery Energy Storage Systems (BESS), and hybrid generation, and associated collector system for interconnection applications within software programs PSS/E, PSLF, and/or PSCAD. Preferred, but not required, would also be previous power systems engineering experience, including one or more of the following: Knowledge of power regions and ISOs/RTOs – PJM, MISO, NYISO, ERCOT, SPP, CAISO, and ISO-NE.