Heavy Truck Builder. Qualifications. Comfortable reading diagrams and taking initiative. Solid work history: 1–2 years recent heavy equipment repair, welding, or fabrication experience. Welding certification is a plus. must have ability to pass a weld test. Experience with electrical systems and hydraulics. High school diploma or equivalent. Responsibilities. Build custom vehicles according to blueprints and schematics. Perform GMAW & FCAW weldin...