Salary - £31,534.35 - £39,417.93, depending on experience Contract Type - 1 Year FTC Closing date - 14th April 2026 NATS is the UK's leading air navigation service provider, handling over 2.4 million flights each year. We provide air traffic control services from two control centres and at airports around the UK. We also provide a wide range of commercial products and solutions internationally. Our people are at the heart of our purpose to advance aviation and keep the skies safe. Job Purpose/Overview: We have a fantastic opportunity for a Sales Ledger/Cashiers Administrator to join our Finance team at our NATS offices in either Edinburgh, Scotland or Whiteley, Hampshire. The post holder will: Ensure efficient and accurate processing of all customer invoices, allocation of cash receipts and the processing of cashier payments. Provide an effective Cashiering Service to NATS and CAAPS. Ensure an efficient control of bank and SAP cash accounts. Maintain an efficient control of NATS debtor's ledger, ensure that effective credit control is undertaken limiting NATS exposure to financial risk in respect of bad debt. Other duties include: Customer Invoicing and NATS Debtors Process all invoices in respect of services provided to NATS UK and overseas customers promptly in a timely and effective manner. Review aged debt reports, investigate bad debt and take appropriate credit control action to ensure settlement within NATS agreed credit terms and that NATS are not exposed to financial risk. Process electronic flight data files in respect of London Approach, Shanwick and Denmark/Iceland navigation service charges to generate customer invoices. Liaise with NATS business areas and customers to resolve any invoice queries. Undertake credit and rebill action if appropriate, in respect of Shanwick and Denmark/Iceland enroute charges. Maintain customer master records to ensure that NATS hold accurate billing and contact details. Ensure procedures are documented, reviewed updated as required. Eurocontrol Billings and Receipts Record monthly billing and weekly cash receipt details supplied by Eurocontrol to Sales and General ledger. Cashiers Download daily bank statements from online banking systems. Upload to SAP, with a high degree of accuracy allocate to general ledger bank accounts, cash accounts and debtors accounts. Reconcile daily bank statements with SAP bank accounts. Monitor all SAP cash accounts, ensure all entries are allocated and cleared. Process all payments and BACS requests via online banking systems, accurately, meeting agreed deadlines. Process Customer credit card transactions. Bank customer cheques. Process all CAAPS Pension payments and record in cashbooks. Accurately record future payments in the daily cashflow to enable Treasury to forecast funding. Process NATS intercompany transaction payment transfers. Liaise with Treasury, NATS business areas and CAAPS. Generate weekly Scottish Accounting Unit payment authoriser's schedule. Ensure procedures are documented, reviewed updated as required. Essential Skills and Experience: Good Credit Control background Good knowledge of accounting procedures supported by several years' experience High level of communication skills A good team player, with the ability to develop good working relationships with both external customers and NATS business areas Time Management skills to meet the daily, weekly and monthly deadlines Ability to prioritise work effectively ensuring key deadlines are met Should be adaptable and able to work well in a changeable environment Attention to detail and high level of accuracy is paramount to this role Good knowledge of Microsoft packages, including Outlook, Excel and Word Experience of SAP Accounts Receivable, Sales Document & General Ledger would be beneficial. Additional vacancy information: This is a 1 year Fixed Term Contract. Please provide a covering letter with your application. We have adopted agile working to provide greater flexibility and increased choice over working arrangements, with the opportunity for this role to work in our modern office facilities as well as remotely.Find out more here. If you share our passion to advance aviation and keep the skies safe - we would like to hear from you whatever your age, sex, race, faith, sexual orientation, gender identity, gender expression, visible or invisible disability. Individuals that bring different perspectives, skills, life experiences and backgrounds help us be at the forefront of our industry. Department: Sales Ledger/Cashiers Location: Whitleley, Hampshire, GB, PO15 7FL Country/Region: GB Postal Code: PO15 7FL Job Code: 1338 Salary Range: £31,534.35 - £39,417.93 Date: 31 Mar 2026