Designs, fabricates, joins and/or repairs equipment, fixtures and various types of metal objects and structures using oxygen-acetylene, electric arc, MIG and TIG welding techniques. Welds in controlled atmosphere, plasma welds, and cuts. Welds high vacuum and high-pressure systems. Heat treats and thermosprays equipment, fixtures, and various types of metal objects and structures. Operates drill presses, power saws, grinders, metal lathes and a variety of welding equipment and hand tools. Analyzes plans, drawings, work samples, specifications and work orders to determine work requirements and sequence of welding assignments. Recommends supplies and materials to be ordered. Knowledge, Skills, and Abilities (KSAs): Knowledge of applicable work codes. Knowledge of welding techniques (oxygen-acetylene, electric arc, MIG, TIG, controlled atmosphere, and plasma cutting), tools and equipment. Knowledge of non-destructive inspection techniques. Skill in the fabrication, joining, and repair of variety of metal objects, fixtures, and structures. Skill in heat treating and thermos praying. Ability to effectively communicate.