Interstate Companies, Inc. is a dynamic organization that provides rewarding careers for more than 1,600 employees in its corporate office and five operating units – Interstate Assembly Systems, Interstate Bearing Systems, Interstate Energy Systems, Interstate Power Systems, and I-State Truck Center. If you're a Diesel Mechanic/Technician with at least 3–5 years of light or heavy-duty diesel experience—especially with Freightliner, Detroit, Allison, Cummins, CAT, and/or MTU products—and you're ready to transition into a true Field Service role with a company truck, tools, and the freedom of the road, we want to hear from you!