A TIG Welder job involves using the precise Tungsten Inert Gas (TIG) welding process to join metal components, often stainless steel, aluminum, and other alloys, by interpreting blueprints, preparing materials, operating specialized equipment, and performing visual inspections to ensure high-quality, accurate welds. Key responsibilities include setting up TIG welding equipment, maintaining a clean and safe work area, performing quality checks on finished welds, and adhering to safety protocols.