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Internship Marketing & Content

Posted 12 May 2026
Share:
Work experience
0 to 4 years
Full-time / part-time
Full-time
Job function
Salary
€500 - €600 per month
Degree level
Required languages
English (Fluent)
Dutch (Good)
Duration (minimum)
17 weeks
Deadline
24 May 2026

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At everox, we are working on scaling technology that turns waste concrete into circular building materials, reducing CO₂ emissions in one of the world’s most polluting industries.

About everox

everox is a Dutch climate-tech company focused on upcycling waste concrete into low-carbon substitutes for cement, sand, and aggregates. Cement production is responsible for ~8% of global CO₂ emissions, while billions of tons of concrete waste are generated every year. We are developing technology to reduce that impact at scale.

Our mission is to accelerate the transition towards circular concrete by combining innovative technology with strong international partnerships.

The assignment

As a Content & Marketing intern at everox, you will gain hands-on experience in an international B2B climate-tech startup environment.

You will work closely with the Marketing Manager and support her with content creation, visual communication, presentations, branding and events. This is broad and creative internship where you will contribute directly to how everox presents itself internally and externally.

This internship is ideal for a proactive and creative student who enjoys combining storytelling, design, communication, and sustainability.

What you will do

  • Create content for LinkedIn, the website, and internal communications
  • Support visual design work for presentations, social media, and marketing materials
  • Help improve and optimize pitch presentations and company materials
  • Support the organization of events and other marketing activities
  • Assist with branding and visual storytelling in line with the everox corporate identity
  • Support the building and maintenance of PR and networks
  • Assist with marketing automation
  • Help strengthen the international visibility of the everox brand

What you will learn

  • Contribute to a real-world design decision that influences future plants
  • How marketing works within an international climate-tech startup
  • How B2B communication and branding are built in an industrial environment
  • How content creation, branding, PR, and events work together
  • Exposure to sustainability, innovation, and international business development
  • Working in a fast-paced and entrepreneurial environment

Who we’re looking for

  • HBO / WO student (2nd or 3rdyear) in Marketing, Communication, Creative Business, Media Design, Commercial Economics, or similar
  • Strong communication skills in English
  • Creative mindset with attention to detail
  • Interest in sustainability, innovation, and branding
  • Comfortable working independently in a dynamic startup environment
  • Experience with Canva, Adobe, PowerPoint, or similar design tools is a plus
  • Dutch is a plus, but not required

What we offer

  • 4–6 month internship, 4 days per week
  • Internship allowance (€500–€600 per month)
  • Travel reimbursement if needed
  • Direct exposure to an international climate-tech startup
  • Mentorship from the Marketing Manager and collaboration with the commercial team
  • Opportunity to contribute directly to real projects and visible company communications

Interested?

Send your CV and a short motivation to recruitment@everox.tech with the subject line: Marketing Internship

Please include:

  • Study program and year
  • Preferred internship period

Everox is a pioneering startup company dedicated to upcycling waste concrete into low carbon substitutes fors and, aggregate and cement. Founded in 2016 by Delft University and GBN, we aim to reduce global CO2 emissions by up to 8% through our cutting-edge technology.

Manufacturing
Rotterdam
Active in 1 country
25 employees
60% men - 40% women
Average age is 36 years