JennmarMidstream Winter Plant Operator JennmarMidstream Winter Plant OperatorIndiana, PennsylvaniaSafely and effectively operate, maintain, and monitor separators, dehydration equipment, compressors, meters, pumping equipment, well sites and control devices to ensure they are operating and producing at the optimum level. JENNMAR Services, a staffing company specializing in employees placement for the energy industry, is currently seeking Winter Plant Operators for the Southwest, PA area.