Administrative Assistant Vacancy - Create purchase requisitions in SAP; "Request to Supplies possible adjustments to purchase orders: Shipping date, VAT adjustment, service code adjustment, etc.;" Receive and control the receipt of invoices (monthly, in the case of a contract or one-off); Contact the supplier to request an invoice or discrepancies in scope and value; Create service sheet for service invoices; Create MIGO for material invoices; Send invoices to inbound and monitor their incorporation into the system; Launch the invoice via Cockpit or send it via email to the Finance Department (exceptions); Monitor the release of invoices by the FC; Request the payment forecast and proof of payment of the invoice (if applicable) from the Finance Department and send it to the supplier; Support in consolidating IT CAPEX and OPEX budgets; Prepare monthly OPEX or CAPEX provisions; Consolidate the justifications for the month of the budget for Financial Planning; Carry out departmental budget analyses; Prepare and deliver the Subsidiaries’ debt notes; Prepare and deliver monthly information for the IT apportionment of subsidiaries; Carry out contractual adjustments based on information provided by the Department; Administrative and financial management of contracts (values, deadlines and contractual adjustments); Issuance of PTR Request for Transfer of OPEX and CAPEX Resources; Request registration or adjustment of supplier information in SAP; Request registration or adjustment of materials; Request and update the NCM of the DANFE material invoice; Carry out the purchasing planning spreadsheet and participate in monthly meetings; Monitoring the processes of contracting goods and services by participating in follow-up meetings; Request investment order (CAPEX) to issue the purchase requisition; Map the orders (investment) in progress and issue the RUC (fixed assets) for depreciation of the asset.