Posts and controls invoices in MSC IT systems. Enters and controls invoices information into MSC proprietary IT system. Acts as a liaison between different departments within the accounting group. Takes documental and customer service responsibility for all invoices handled. Maintains efficient processes associated with invoice approvals. Follows-up on implementation of recommendations and improvements. Establishes and maintains a positive relationship with both internal and external customers. Presence required on‑site 5 days per week Performs other related duties, as assigned.