THE JOB

Onera Health is looking for a GL Accountant to join our growing team. In this role, you’ll manage the Accounts Payable process, oversee invoice input, and set up streamlined approval workflows to ensure timely payments and maintain strong supplier relationships. You’ll support month-end closing activities by reconciling key accounts and assisting the Finance Controller in finalizing monthly financial statements.
You’ll also play a role in the order-to-cash cycle by helping with customer invoicing and tracking outstanding payments. Your day-to-day will include collaborating with internal stakeholders, following up with customers when payment deadlines are missed, and supporting administrative workflows and internal finance projects. Additionally, you’ll maintain the Werkkostenregeling (WKR) administration and align with Department Heads on timely submission and approval of timesheets.

WHY JOIN?

Because you enjoy the dynamics of an ambitious scale-up company: humbly striving for excellence, driven by curiosity and courage, embracing diversity with trust and respect. This is Onera Health. A fast-growing organization, purpose driven and challenge fuelled, valuping entrepreneurship and collaboration. If you are looking for an opportunity to make significant impact, to think strategically and be hands-on at the same time, shape and grow with the company, we’re looking for You!

REQUIREMENTS

• This is a part-time role, requiring availability for 28-36 hours per week
• 3–5 years of experience in finance, accounting, or administration roles—or a related degree.
• Strong knowledge of financial policies, procedures, and compliance requirements.
• Proficiency with financial tools and strong command of Microsoft Office (Excel, Word, Outlook).
• High attention to detail and accuracy in data entry, bookkeeping, and reconciliation tasks.
• Effective written and verbal communication skills.
• Fluent in English and Dutch.
• Eligble to work in the EU
• Postive attidude, can-do mentality and flexibilty – much needed in a scale up!