Job Description Job Description Shape Purpose-Built Trucks in Union Grove, WI Custom Truck One Source (CTOS) is looking for a hands-on pro who loves turning bare chassis into working utility vehicles. As a Utility Truck Upfitting Specialist, you’ll build, wire, plumb, and fine-tune custom equipment that crews rely on every day.A day in the shop You roll in, review technical drawings and wiring schematics, plan your build, and get to work. By mid-morning you’ve set a PTO and pump, routed hydrauli