BIJBAAN: Business Administration en Office Support (16-24 uur p/w) bij Dexter

Dexter is a scale-up company from Amsterdam helping energy companies to make the energy transition towards a cleaner energy future more affordable. We do this by providing power forecasts and trading algorithms to optimize the short-term trading cycle for our customers.

The company has raised a funding round in 2019 and is growing commercially as well as team-wise. there is a need to professionalize operational and financial support. We are therefore looking for a business support manager who can help us execute and professionalize financial and operational support.

Job description
Your main focus will be to manage (and set up new) financial, HR and support processes and make sure they run smoothly. A second responsibility is to provide office support. You are available for 16-24 hours per week.

Finance, Administration & HR

  • Professionalize administration and invoice management
  • Monitor financial performance and budget
  • Set-up quarterly financial update
  • Set-up an internal hour-billing system for projects (pilots)
  • Manage payrolling (social taxes, on-boarding, payments, declarations)
  • Manage On-boarding (NS, Swapfiets, contract, check payrolling)
  • Help process incoming applications

Office & event management

  • Manage incoming communication (mails & e-mails, calls)
  • Sourcing (hardware, groceries)
  • Planning & scheduling support
  • Relations management
  • Assist in managing external events (trade fairs & conferences)
  • Organize internal events (yearly Dexter event, team outings)

About you

  • You like to work in a small, young team
  • You have a hands-on, pro-active way-of-working
  • You like to help people and have a hospitable mindset
  • You get your hand around processes quickly and like to work with many software tools (Exact, Pipedrive, Declaree, Excel, Trello, Notion, etc.)


  • Relevant education (HBO/WO) or work experience in business administration
  • Affinity with finance, administration and human resources
  • Mastering Microsoft Office, especially Excel/Sheets
  • Good communication skills
  • Fluent in Dutch and English

What we offer

  • Responsible and highly versatile tasks in a motivated team
  • Minimal hierarchies, close contact with colleagues, fast learning curve
  • Affinity with finance, administration and human resources
  • Salery subject to your profile and experience – €17,50 – €22,50 per hour

Send your resume and motivation letter (Dutch or English) via this form!


BAAN: Business Administration en Office Support (24-40 uur p/w) bij Dexter



Status : OPEN
Hours per week : 16-24
Solliciteer : Klik Hier
Company : Dexter
Study : Divers
Type : Bijbaan
City : Amsterdam