Conduct routine inspections, preventive maintenance, minor repairs, and general upkeep of facilities, workspaces, storage areas, buildings, gates, fences, accessways, and other compound infrastructure; identify and report deficiencies requiring higher-level support. • After equipment-specific training and authorization, inspect, service, install, remove, replace, and troubleshoot designated government-designed or fielded SISS equipment, including localization and marking components, in accordance with approved technical manuals and configuration-control requirements.