A Rigger III is a highly skilled, certified professional who plans, supervises, and executes complex lifting operations, focusing on heavy equipment in industrial or construction settings, ensuring safety through advanced load calculations, equipment inspection, team coordination, and adherence to strict standards, often requiring significant experience (5+ years) and leadership in complex lifts. They select rigging gear, attach loads, direct crane operators, manage multi-point lifts in confined spaces, and mentor junior riggers.