Accounting & Administrative Manager

We are looking for someone with a passion for bookkeeping to join our team part-time.


  • You will be responsible for bookkeeping.
  • Daily processing of financial and accounting data in the Exact Online System
  • Preparing and sending sales invoices, as well as their analytical processing in the accounting system.
  • Follow-up of payments and processing of expenses
  • Monthly update to the P&NL
  • Creating and updating accounts in Salesforce. This means that all essential information about a customer is available in Salesforce
  • Execution of international payments

You are the person responsible for the administrative follow-up of national and international volunteers.



  • You are the contact person for the social secretariat
  • Follow-up of the monthly HR administration
  • Follow-up of CVs flow in recruitment

Desired profile

Does the following description match your profile?

  • Accounting training.
  • You are analytical, organized and passionate.
  • You get a kick out of administrative order.
  • You have a good knowledge of Excel.
  • You have a good oral and written knowledge of Dutch and English. Knowledge of French definitely a plus, but not necessary.
  • Experience with Salesforce is a plus but not necessary.
  • You are communicative and a team player. You like to work independently as well.
  • You have a hands-on mentality
  • You are looking for a job with direct impact for a better world

Our offer
A challenging position and an opportunity to be part of an ambitious team within a rapidly growing and professionalizing non-profit organization with a global impact on plastic-free rivers.

  • A part-time contract or negotiable.
  • Working together with an enthusiastic and multidisciplinary team.
  • Possibility to work from home (also after these corona hours) with home office compensation.
  • Great flexibility in scheduling your working hours.
  • Correct remuneration according to scale.
  • A meal voucher per day worked.
  • A mileage allowance for travel by bicycle.
  • Full reimbursement for travel by public transport.
  • Great colleagues, international environment, working in a dynamic start-up/scale-up environment on plastic-free rivers worldwide.

Contact, here's how to apply
Send your resume together with a motivation by email with subject 'application Accounting / Admin Assistant' to

Join us on our mission to clean rivers!