1 , 2 , 3 ] Key Responsibilities Equipment Maintenance & Repair: Perform preventive and corrective maintenance on welding power sources (MIG, TIG, Stick/SMAW), plasma cutters, positioners, bridge cranes, and shop machinery. [ 1 , 2 , 3 ] Job Title Maintenance Technician – Welding & Industrial Equipment Role Summary The Maintenance Technician is responsible for keeping all shop machinery, fabrication tools, and facility systems in peak operating condition.