Unlimited Core Solutions, LLC. Job Description. Unlimited Core Solutions is a directional drilling contractor located in Bellville , OH. We are hiring for multiple positions for our growing company. Directional Drill Operator. Vac Rig Operator. Locators. Prior directional drilling experience required for all operator positions and CDL is a plus. The ideal candidate will have experience operating horizontal drill rigs, excavators, and vac rigs. Th...