Billing Specialist. CSI Erosion in Hiram GA, a leader in the Erosion Control Business, has an immediate opening for AR Billing Specialist. We are looking for someone that is a highly motivated self-starter with proficient computer skills. Our core values are someone that is trustworthy, has a wonderful attitude, never does the minimum, want longevity, and are innovative. Responsibilities. Enter invoices for both AP/AR in QuickBooks, ensuring accu...