Administrative Assistant Invoicing and HR

• Checks invoicing files and verifies that services and rates are correctly processed.
• Identifies discrepancies and coordinates them with the relevant departments.
• Prepares invoices and any credit notes and sends them to clients.
• Follows up on outstanding invoices and sends payment reminders.
• Handles questions and disputes in consultation with colleagues.
• Contributes to feasible payment agreements and follows up on dossiers.

• Collects and processes variable salary and performance data.
• Prepares salary data and provides it to the social secretariat.
• Keeps personnel files accurate and up-to-date.
• Monitors performance, leave, sickness, and absences.
• Answers practical HR questions and supports recruitment and onboarding.
• Maintains administrative contacts with temporary employment and recruitment agencies.

What they ask

• You have a bachelor's degree in administration, accounting, HR, or a related field, or equivalent experience.
• You have experience in a versatile administrative role, invoicing, debtor management, or HR administration.
• You communicate fluently in French, Dutch, and English.
• You work accurately and organized, handling confidential information discreetly.
• You take initiative, switch easily between different tasks, and communicate diplomatically.
• You are proficient with Word and Excel.
• Experience with Eloficash, Kelio, or similar systems is a plus.

• The assignment is for three days per week.