Job ID: 519790 Ash Grove family of companies, including Ash Grove Cement Company, Ash Grove South Texas, LLC, Sapphire Americas LLC, Oldcastle Cement Holdings, Houston Cement Company, and Suwanee American Cement Company, is one of North America's leading cement manufacturers, with a legacy of innovation and excellence dating back to 1882. Troubleshoots and repairs: Plant-wide PLC control system, MCC (Motor Control Center) equipment, AC VFDs and DC VSDs, plant-wide fiber optic, and copper Ethernet communication system, and plant IP network video system in addition to all electrical circuits and systems associated with cement manufacturing.