Marketing Intern PAR+

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Marketing Intern PAR+

We're a start-up company and brand that's preparing to communicate something big with the world. We've got a plan, but we need someone to help us execute it! That's where you come in.

We need you to help create, plan, and execute on our Marketing Strategy realising the maximum result for our start-up! 

Full-time · Delft

Join today, shape tomorrow.

Hello, changemaker! Do you want to join a frontrunner in sustainable technology?

Our company name PHYSEE derives from the words Physics and Seeing: we use physics perspectives to develop technologies that have a positive impact on the Sustainable Development Goals. Our vision? An energy-neutral tomorrow, where sustainability doesn't compromise on design or well-being. On our mission towards this goal, we are currently working on two products:

SENSE helps buildings to become sustainable with the help of smart technology, while drastically increasing the comfort for building users.

PAR+ is a luminescent spray coating that makes glass greenhouses more profitable, efficient, and sustainable.

The city of Delft is our homebase, where we have an office on the campus and a lab and production facilities nearby. PHYSEEonairs are a group of ambitious, enthusiastic, and fun-loving people, who believe in dreaming up big ideas and making them happen!

At PAR+ we are on a mission to increase yield inside greenhouses in a sustainable manner with a revolutionary coating. Last year, we executed our first pilot and achieved positive results on crop quality and crop growth. This year, we increased traction and proof points in the market by executing larger scale projects where we show the potential of PAR+ and by the end of this year we will be ready for commercialization.   

This is what you’ll do

  • Contributing to the execution PAR+ Marketing Strategy
  • Managing the PAR+ content & event calendar
  • Designing and creating brand-consistent content for various channels and purposes
  • Partnering with internal and external stakeholders to develop marketing collateral
  • Building and expanding our marketing network
  • Monitoring and investigating industry news, blogs, and social media for commercial insights and content ideas: figure out what works in our industry
  • Updating the website & social media channels 

This is you

  • We are looking for a hand-on and self-motivated Marketing young professional (Marketing/Communications undergraduate/bachelor lvl)
  • You get enthusiastic to Create, Plan and Execute on a Marketing Strategy
  • You enjoy working with multiple internal and external stakeholders on various Marketing topics
  • You take responsibility in managing timelines of the team and yourself
  • You can translate complex value propositions to simple messages that can be easily understood
  • You are willing to learn, try out new things, and grow as a team 

What you can expect from us

  • You'll be part of a young and fast-growing company wanting to change the world’s perspective of a sustainable future. Your work matters at PAR+. 
  • Work in an inclusive environment with amazing colleagues from all over the world, where we ask you to be yourself.
  • Space for new initiatives and ideas. We welcome you to share your thoughts, whether you work with us for a week, a month, or year.
  • Ability to work hybrid and to organize your hours flexibly.
  • We like to have fun! From sports like climbing and ping pong matches, to lots of cool events all year round, and let’s not forget our annual trip. 
  • We care for your well-being, so we provide a healthy workplace. Fresh fruit, free mental health support, and weekly BootCamp sessions are just a few examples.  

Ready to apply? Let's go!

Click the 'Apply now' button below and send us your CV.

The hiring procedure consists of 4 steps: 

  1. Interview hiring manager and team member (+/- 60 min) 
  2. Final round with the board and People & Culture (+/- 30 min) 
  3. After that (hopefully) an internship proposal 
  4. Welcome aboard!  

Do you have any questions regarding this vacancy? Don’t hesitate email us at

Please note that acquisition regarding our vacancies is not appreciated.

Our Core Values

Each PHYSEEonair brings unique mentalities, customs and skillsets to the table, but we're binded by these values. They reflect what we stand for as a company and how we conduct our business on a day-to-day basis. We are proud to have a group of 45 curious, ambitious, quirky and adventurous PHYSEEonairs and that these values continue to drive our growth. 

My motivation to work at PHYSEE has been the people from the start until today. Focusing on first the who and then the what is in my opinion the key formula to success.” 

Sadiq van Overbeek,  Co-founder PAR+


You're part of a young and fast growing company wanting to change the world’s perspective of a sustainable future. Your work matters at PHYSEE. Your colleagues are funny, creative and supportive! With different nationalities, deep passion and energy, PHYSEEonairs make work exciting. Work-life balance -or in our lingo: "Plan it Happy"- is key.

Plenty of benefits. Healthy and free lunch. Budget for external career trainings. Covered travel costs. Monthly reimbursements of technical equipment.

Flexibility and responsibility. As long as you make our mission your mission, you are given the freedom to decide how to achieve your best potential. 

We are healthy. We love sports. We stay active with weekly PHYSEEo (bootcamp), PHYoga, PHYSki trip and fresh fruit every single day. 

Open knowledge sharing in a creative way. Every Friday we host interdepartmental brainstorms and have daily '4 O'clock' breaks to give your mind a break while learning about new topics. 


Willem Kesteloo

CEO PAR+ & Co-founder PHYSEE 

Sadiq van Overbeek

CPO & Co-founder PAR+

Bob Vonk

Account Manager

Joe Kao

Technology and Operations Manager