Equipment & Preventive Maintenance: Support troubleshooting and preventive maintenance of: MIG welding power sources, Welding torches and dress packs, Wire feeders and drive rolls, contact tips, nozzles, liners, and diffusers, Welding cables and electrical grounds, Shielding-gas systems, regulators, and flowmeters, Wire drums/spools, Torch-cleaning and reaming systems, Robotic welding equipment, Automated weld fixtures and clamps. Diagnose and correct issues involving: Arc faults and poor arc starts, Wire-feed problems, Burnback and wire sticking, Contact-tip and nozzle failures, Shielding-gas problems, Torch collisions and alignment, Weld-location variation, Robot path/position issues, Fixture and clamping issues.