Performs/assists with corrective, preventive, and emergency maintenance and operations for which they are qualified to safely and efficiently perform for equipment including but not limited to installed Inverters (SMA, Advanced Energy, Power Electronics, EATON, TMEIC, SunGrow, and Solectria), Trackers (NEXTracker & ATI), Combiner Boxes, PV Modules, DC Collection equipment and systems, and AC Collection and Distribution equipment and systems, Performs/assists with routine maintenance work (repair, instrumentation calibration, basic Inverter troubleshooting), up to their capabilities, as assigned by supervisor and work orders from the maintenance management system. Principal Duties and Responsibilities: Responsible for assigned O&M activities associated with the solar PV sites and substations associated with utility-scale Solar Energy Plants located in California's Central Valley.