Arcosa Specialty Materials. is searching for a. Machine Operator. for our. Carson City, NV. plant. In this role you will support a positive safety culture within an aggregate environment that is regulated by MSHA safety standards. As a Machine Operator, you will a perform a variety of warehouse duties. Arcosa Specialty Materials is a leading producer and distributor in the Western and Southwestern U.S. of lightweight and natural aggregates, inclu...