Careers

Innovate the Future With Us!

At KapiteinLabs, we don’t just build technology, we help shape the future of sustainable industry. Our team is driven by curiosity, innovation, and impact, working at the forefront of plasma technology, emissions reduction, and circular chemistry. Whether you’re a seasoned professional, a recent graduate, or a student eager to make a difference, we offer opportunities to contribute, learn, and grow in a cutting-edge research and development environment.

Our Office

Our office is located in a unique, repurposed prison facility in Haarlem. We offer you your own personal workspace, which you’re free to customize to suit your style. Whether you prefer working from home or joining us in the office, we provide the flexibility to choose the setup that works best for you.

Opportunities for Students & Interns

Your future starts here. We believe in fostering the next generation of scientists, engineers, and sustainability leaders. At KapiteinLabs, students and interns play a meaningful role in our research, development, and industry collaborations. Whether studying plasma physics, environmental science, engineering, or business, you’ll work alongside experts, contribute to real projects, and gain hands-on experience in a fast-moving, impact-driven company.

Job Openings

Open Application

Location: Hybrid (Remote & Office)
Duration: 1 year – indefinite
Department: Various

About the Role
If you are curious about working in our cozy office in Haarlem,  please get in touch and we can explore options. We are always looking for new talent!

Internship

IT Systems Engineering Intern

Location: Haarlem region, Netherlands
Location requirement: Must be located in the Netherlands and/or possess a BSN (Dutch civil service ID)

Duration: 6-month internship with evaluation for permanent placement
Start Date: Flexible
Compensation: €800 per month internship allowance

About the Role
Join us at a pivotal point as we transition from breakthrough research to full commercialization. As our IT Systems Engineer Intern, you will help shape and support the IT systems, infrastructure, and security environment that our teams rely on every day. Exceptional performers will have a clear pathway toward a full-time technical role.

Data Analyst Intern

Location: Haarlem region, Netherlands
Location requirement: Must be located in the Netherlands and/or possess a BSN (Dutch civil service ID)

Duration: 6-month internship with evaluation for permanent placement
Start Date: Flexible
Compensation: €800 per month internship allowance

About the Role
We seek a talented MSc/BSc graduate intern to join our innovative team and be responsible for collecting, processing, and analysing data to improve business performance and system efficiency.

Mechanical Engineering Intern – Plasma Systems (BSc / MSc | HBO / WO)

Location: Haarlem region, Netherlands
Location requirement: Must be located in the Netherlands and/or possess a BSN (Dutch civil service ID)

Duration: 6-month internship with evaluation for permanent placement
Start Date: Flexible
Compensation: €800 per month internship allowance

About the Role
As a Mechanical Engineering Intern – Plasma Systems, you will work on the physical core of our technology: the mechanical design, construction, and iteration of plasma systems. This is a hands-on engineering internship focused on real hardware development.

Electrical Engineer/System Engineer Intern

Location: Haarlem region, Netherlands
Location requirement: Must be located in the Netherlands and/or possess a BSN (Dutch civil service ID)

Duration: 6-month internship with evaluation for permanent placement
Start Date: Flexible
Compensation: €800 per month internship allowance

What You’ll Do

  • Designing and implementing the interface that transforms an advanced electrical-plasma system into a finished, user-oriented product.
  • Testing and validating electrical systems and components according to applicable standards (NEN, IEC, ISO).
  • Troubleshooting and resolving technical and electrical issues.
  • Ensuring safety compliance (ATEX, CE, and related product safety requirements).
  • Preparing documentation, reporting results, and maintaining technical records.
  • Collaborating with internal and external partners to bring innovative ideas into practical reality.

Product Specialist Intern

Location: Haarlem region, Netherlands
Location requirement: Must be located in the Netherlands and/or possess a BSN (Dutch civil service ID)

Duration: 6-month internship with evaluation for permanent placement
Start Date: Flexible
Compensation: €800 per month internship allowance

About the role
As our Product Specialist Intern, you will gather and analyze technical specifications for ozone applications across multiple sectors. Working directly with our Chief Science Officer and collaborating with commercial teams, you will evaluate installation requirements, performance and regulatory standards. Your research will support product customization, installation guidance, and technical documentation. 

Interested?

Reach out to explore current openings, thesis collaborations, or internship opportunities.


We’re always looking for passionate innovators to join our mission. If you don’t see a role that fits, send us an open application and tell us how you can contribute to the future of plasma technology and the sustainable industry.