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CEO Assistant / Office Manager

Location: Rotterdam
Job Type: Full-time
Optimal start date: January 2022
Application deadline: Please submit as soon as possible

Presence required in the Rotterdam office (50/50 work from office, work from home policy). We take every precaution necessary to minimize risk of COVID-19 infection among employees and adhere to all RIVM guidelines.

Hi, We’re Nexio Projects

As a dynamic team, we form a motivated group of 20+ co-workers headquartered in Rotterdam and have cultivated a unique team spirit that is both impact-driven and purpose-oriented. We are humble, hardworking and continuous learners.

As a CEO Assistant/Office Manager in our Rotterdam Office, you will actively support our CEO. You will assist him in making the best use of his time by providing administrative support. You will also contribute to a great workplace experience by helping with the day-to-day office duties. Your ability to proactively resolve queries and issues will be the cornerstone to your success in Nexio Projects. As training and growth are a central part of Nexio Projects, we will of course provide you with the tools and support to allow you to grow.  

Some of your tasks will include:

Communication tasks – including, but not limited to: 

  • CEO’s inbox management – replying to emails and pining the important ones.
  • Answering and transferring phone calls. 
  • Taking phone messages from clients. 
  • Greeting visitors in the office. 

Organisation tasks – including, but not limited to:  

  • CEO’s calendar management – scheduling appointments. 
  • Coordinating events, such as planning office parties. 
  • Helping with daily time management. 

Office/Administrative tasks – including, but not limited to: 

  • Ordering office supplies and replacements – online groceries and other material. 
  • Managing mail and courier services.  
  • Creating invoices for customers. 
  • Keeping track of receipts of office expenses or expenses incurred by managers. 

Your profile:

  • You are excited by the idea of working in a dynamic and high-growth start-up environment. 
  • You are fuelled by optimism and enthusiasm. 
  • You have excellent computer skills – including Microsoft Word, Excel, Outlook, and PowerPoint. 
  • You are a well-organised person who can prioritise tasks and have strong time management skills. 
  • You are a team player who works quickly and independently. 
  • You are a doer who is impact-driven and a strong multitasker. 
  • Flexible work attitude and able to prioritise working across various tasks happening at the same time. 
  • You are discrete and trustworthy – you will often be party of confidential information. 
  • You have excellent written and verbal communication skills 
  • You have exceptional interpersonal skills. 
  • An HBO bachelor’s in office management or related is a plus. 
  • You are fluent in English and Dutch – French is a key advantage. 
  • Your scope of interest in sustainability goes beyond work and is also part of your lifestyle. 

Benefits and perks


Growth budget

Time and budget is available for all employees to upskill & educate themselves throughout the year.



As part of our Dutch DNA, we don’t see a healthier and more conscious way to commute to work then on a bike. Do you? 


Quarterly Events

We celebrate the new quarter ahead with a team activity. From Casino night to Summer Camps, all themes are welcome!


Programmes for well-being

The team’s wellbeing is our first priority at Nexio. Therefore, we offer subscriptions & organise wellbeing events.


Volunteering 4 days a year

With abundance being one of our values, we see the importance of giving back and sharing. Therefore, every team member can volunteer for their organization of choice.


Friday gratitude award

3 gratitude awards are shared between colleagues to show appreciation for each other’s work.

How we hire

  • Apply online with your CV, motivation letter & video if requested

  • Go through a gamified assessment that ensures unbiased hiring

  • Short call with HR to get to know the people team

  • Case study interview, group or individual

  • Final interview

  • Embark on your Nexio journey!

Ready to apply?

Ready to apply (1)

Application checklist

  • CV
  • Cover Letter telling us about yourself, why you’d like to be part of our team and your goals at Nexio. Beyond your professional and academic background, we are interested in all the dimensions of your personal development journey, so feel free to share more about your ikigai.
  • Writing Sample of maximum 500 words. This could be an excerpt from a report you wrote, a research piece, blog/medium article, policy memo or other writing sample that reflects clarity, conciseness and mastery of a sustainability-related topic.

We are an equal opportunity employer and embrace the importance of diversity, equity and inclusion within the recruitment process. We strongly encourage applicants from all backgrounds and experience. The more inclusive we are, the better we can deliver our mission to shape a more sustainable world.

Ready to apply (1)