TrinityRail Maintenance Services, Inc. is searching for a talented team player to fill the open position of. Senior Heavy Assembler, 1st & 2nd shift. at our. Shell Rock, IA. office. Our products are an integral part of the supply chain that helps fuel our lives and our economy. Over the last 85 years, Trinity Industries has grown to over 6,000 employees strong with the common purpose of. Delivering Goods, For the Good of All. . What you'll do. . ...
