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Billing & Invoicing Senior Officer

Greece · Job Posted April 02, 2026
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Job Description

The Senior Billing & Invoicing Officer is responsible for overseeing billing and invoicing operations, ensuring accuracy, compliance, and timely revenue recognition. This role plays a critical part in supporting cash flow, improving billing processes, acting as a subject-matter expert for invoicing policies, systems and customer billing inquiries. The successful candidate will work cross-functionally to resolve billing issues, implement process improvements, and maintain high standards of financial accuracy and customer satisfaction.

Job Responsibility

  • Prepare, review, and issue accurate invoices in accordance with contracts, tuition fees and other income activities based on pricing terms, and service agreements
  • Manage billing scenarios, including milestone billing, recurring invoices, adjustments, credits, revenue and discounts reconciliation and rebates
  • Ensure invoicing is completed within established timelines according to governance
  • Ensure billing activities comply with company policies, accounting standards, and contractual requirements
  • Support monthly revenue and discounts recognition in alignment with applicable accounting standards as part of the month’s closing process (i.e. IFRS 15)
  • Proceed with bad debt calculation in alignment with applicable accounting standards as part of the month’s closing process (i.e. IFRS 9)
  • Maintain accurate billing documentation and audit-ready records
  • Act as a key point of contact for escalated billing and invoicing inquiries
  • Investigate and resolve invoice discrepancies in a professional manner
  • Investigate tickets in Halo ticketing system
  • Support implementation and optimization of billing systems and ERP tools
  • Contributes to the development and documentation of billing procedures and internal controls
  • Prepare billing-related reports, reconciliations, and variance analysis
  • Provide insights into billing trends, aging, and potential revenue risks

Requirements

  • Bachelor’s degree in finance, Accounting, Business Administration, or a related field
  • 5+ years of experience in billing, invoicing, or order-to-cash functions
  • Proven experience handling complex billing structures and high transaction volumes
  • Strong understanding of accounting principles related to billing and revenue recognition
  • Experience working with ERP and billing systems (e.g., SAP, JDE, Oracle, or similar)
  • Advanced MS Office user (Excel, Word, PowerPoint)
  • Strong attention to detail
  • Ability to multitask and organize
  • Good interpersonal skills
  • Adaptability and accountability
  • Customer service attitude towards internal customers
  • Fluency in English and Greek (verbal and written)

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