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

Head of Development & Partnerships 



You have a chance to play a crucial role in making and keeping rivers around the world free from plastics by excelling in the following tasks:


Development & partnerships

  • Increasing revenue/resources from the following partners: institutional funders (EU, government, foundations), corporate partners and individuals
  • Ensuring that people and organizations have an excellent experience along their entire journey with River Cleanup
  • Lead and assist with expanding the development team in line with the development plan (4 FTE total in 2024)
  • Developing the structures and tools necessary to structurally increase our fundraising revenue with high levels of partner retention and satisfaction
  • Ensure that Salesforce is up-to-date and can be used effectively throughout the organization
  • Train and coach non-development staff to ensure everyone understands what he/she/x can do to support revenue growth and relationship development
  • Lead the development of other potential sources of revenue


Strategy & organizational development

  • Play a proactive role in organizational strategic planning & development
  • Proactively advice on the Ripple Model, impact and cost-effectiveness optimization as well as opportunities for revenue generation
  • Attending (advisory) board committee meetings to report and give advice on fundraising matters when requested to do so


Financial Planning and Budget Management

  • Lead the development of consolidated organization budget as well as specific program and project budgets
  • Develop and maintain income and expenditure tracking and evaluation systems
  • Ensure the development department is kept within budget and operates cost-efficiency
  • Advise other team members on the availability of funds and the viability of obtaining funds to support their activities



  • Safeguard smooth cooperation between communication and fundraising/development staff



  • Assist in the hiring of additional development team members and provide coaching/line management




  • Solid experience in a nonprofit fundraising role
  • Strong organizational and capacity building skills
  • The ability to combine strategic thinking with a hands-on mentality and attention to detail
  • Excellent people skills and ideally line management experience
  • Impeccable written and spoken Dutch and English
  • An entrepreneurial spirit and the ability to work independently
  • Demonstrated problem-solving skills
  • A high degree of flexibility and the ability to work in a fast-paced environment




We kindly ask you to send a brief motivation letter and your CV to Micheline Vermeulen latest by 15th of November 2022.