Sheet Metal Helper: Charleston SC. Assists Sheet Metal Mechanic in the fabrication, assembly, installation, and repairs of sheet metal equipment, products, and structures. Sheet Metal Helper will perform a variety of duties, including, but not limited to, the following:. Helps set up/operate soldering and welding equipment, fabricating machines, etc. Load, transport, unload, and furnish experienced craft worker with materials, tools, equipment, and supplies. Clean work area and restock supplies and materials as necessary. May erect scaffolding. May assist in lifting, positioning, and securin... view job details