* Specific Tasks
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• Processing and verification of both electronic and paper invoices in accordance with the ESA Financial Regulations and Instructions, provision of invoice/payment details to industry at their request, etc.
• Off-setting of advance payments and processing of all related financial transactions.
• Reconciliation and clearing of vendor accounts.
• Operating the accounts payable subsystem and its interfaces with the other elements of the financial applications in compliance with the Agency’s accounting policies;
• Preparing vouchers for examination by the external/internal auditors and filing of accounting vouchers in-line with the prevailing instructions.
• Analysing, validating and approving all Agency payments to suppliers in compliance with ESA accounting policy, the Financial Regulations, instructions and procedures (internal rules); carrying out related financial operations and interfaces with suppliers 
• End-of-period adjustments, offsetting of prepayments against progress invoices and vendor clearing, analysis of balances, clearing of accrued costs versus invoices received and other accounting practises related to accounts payable 
• Contributing to the verification of contracts/purchase orders and CCNs to ensure compliance with financial requirements 
• Contributing to monthly and yearly closure of ESA accounts payable, ensuring accounts reconciliation, providing specific notes relating to ESA Financial Statements 
• Contributing to drafting instructions, procedures and guidelines for the Sections/Divisions
• Responding to queries from industry
• Preparing urgent payment lists 
• Maintaining close liaison with the appropriate Cost Centre managers, project managers and administrators providing financial advice and information on the relevant processes
• Other ad hoc financial accounting tasks as requested by management 

* Specific Competence/Requirements
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• Master’s degree or equivalent professional qualifications in a financial discipline and a significant period of practical experience of financial accounting at ESA or in a comparable environment.
• At least 4 years of previous relevant working experience in the field
• Very good knowledge of SAP and esa-p with regard to Procure-to-Pay process and related procedures.
• The candidate should be highly numerate and possess an accounting background with the analytical skills required to operate a complex accounting system.
• Familiarity with modern office automation tools and techniques, in particular Microsoft Office or equivalent, as well as customised database and software applications.
• Proficient in the English language, both written and spoken, knowledge of another official ESA language is an asset.
• Capacity to identify priority actions and to handle high workload.
• Reliability, commitment and initiative together with a well-balanced autonomy in the execution of the required tasks.