A Rigger III is a senior-level, certified professional responsible for supervising and performing complex lifting, moving, and positioning of heavy equipment, materials, and structural components using cranes and hoists. They ensure all activities adhere to safety standards (e.g., OSHA, NCCER) and manage rigging teams on site. Common, specialized positions for a Rigger III can be found, for instance, through AlRashed Group and via Naukri.com to work on large-scale infrastructure projects.