Careers

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 KapiteinLabs
KapiteinLabs is pioneering next-generation environmental technology through state-of-the-art plasma systems. We turn advance plasma science into practical, low-emission solutions for air and water purification thereby engineer real impact for a cleaner, more sustainable world. Our Bluereactor ozone generation technology represents a breakthrough in efficiency and sustainability, and we are now ready to bring this innovation to market across multiple sectors. 

The opportunity
Join us at a pivotal commercialization stage. As our Product Specialist Intern, you will define technical requirements  for ozone applications across industries—from agriculture to spa facilities, air purification to water treatment.  You will also help tailor the Bluereactor alongside with our technical and commercial teams to each sector’s specific needs. Exceptional performers  may advance to a full-time product or application engineering role. 

Your role & impact 
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. 

Core responsibilities 

• Conduct technical research on ozone applications across sectors (agriculture, spa and wellness, air purification, water treatment, food processing, healthcare, and industry) 
• Gather and document installation requirements, performance specifications, regulatory standards, safety limits, and operating parameters and translate findings into clear product specifications and customization needs 
• Engage industry experts, installers and technical stakeholders to understand real-world constraints, used cases, and expected outcomes. 
• Analyze competing ozone solutions and identify sector-specific regulations, certifications, and compliance requirements. 
• Collaborate with our Chief Science Officer, Market Specialist and Business Development Director to align technical insights with product development and commercial strategy 
• Build and maintain a structured technical knowledge database across all target sector 

Technical focus areas 

• Ozone Technology Applications: Understanding of ozone generation, concentration requirements, contact time and application methods across different industries 
• Installation Specifications: Power supply requirements, gas flow systems, safety equipment, monitoring systems, and integration with existing infrastructure 
• Performance Parameters: Yield specifications (g/kWh), production rates (g/h), concentration levels (mg/m³, ppm), energy consumption and efficiency metrics 

Sector-Specific Requirements: 

• Agriculture: Irrigation systems, greenhouse applications, soil treatment, pest control
• Spa & Wellness: Pool and hot tub sanitation, air quality, water treatment systems 
• Air Purification: HVAC integration, standalone units, industrial ventilation, odor control 
• Water Treatment: Drinking water, wastewater, process water, bottling applications 
• Food Processing: Surface sanitation, cold storage, packaging, wash water treatment 
• Healthcare: Sterilization, air quality, medical water systems 
• Industrial: Cooling towers, laundry systems, chemical processes 

• Regulatory Landscape: Industry standards, safety regulations, environmental compliance, certification requirements 

• Technical Documentation: Creating clear, structured specifications that bridge engineering and market needs 
  

Your profile 

Essential qualifications 

• Master’s degree (completed or near completion) in Chemical Engineering, Environmental Technology, Environmental Science, Process Engineering, or related technical field 
• Master’s thesis focused on ozone technology, clean technology applications, or ozone-based environmental solutions
• Strong technical aptitude with ability to understand and communicate complex engineering concepts 
• Excellent research and analytical skills with attention to detail 
• Outstanding written and verbal communication skills in both Dutch and English 
• Ability to translate technical information for different audiences (engineers, business developers, customers) 
• Structured and methodical working style with strong organizational skills 
• Proactive, self-motivated attitude with ability to work independently 
• Demonstrated passion for environmental technology and sustainability through academic work 

Valued experience (not required but highly appreciated) 

• Master’s thesis specifically on ozone generation, advanced oxidation processes (AOPs), plasma technology, or ozone applications in water/air treatment 
• Research experience in clean technology, environmental engineering, or sustainable process design 
• Previous internship or project work in product development, application engineering, or technical specification development
• Hands-on laboratory or pilot-scale experience with ozone systems, plasma reactors, or oxidation processes 
• Experience with technical documentation, specification sheets, or engineering standards 
• Knowledge of regulatory frameworks in environmental technology, food safety, or medical devices 
• Publications or conference presentations related to ozone or clean technology 
• Experience conducting technical interviews or consulting with industry experts 
• Familiarity with technical competitive analysis and benchmarking 
• Understanding of B2B technical solution development and application engineering 
• Exposure to industry sectors such as agriculture, water treatment, or HVAC systems 

 What we offer  

• Impactful Work & Real Responsibility: Lead research toward shaping how breakthrough ozone technology reaches diverse markets. 
• Expert Collaboration & Ownership: Work closely with the CSO, Market Specialist, and Business Development Director, driving your research approach with guidance from multiple perspectives. 
• Cross-Sector Exposure & Technical Specialization: Gain deep expertise in ozone applications while seeing how a single technology solves problems across industries—from agriculture to healthcare. 
• Innovation at Scale: Contribute to solutions that tackle real environmental challenges, from reducing chemical use to improving air quality. 
• Professional Network & Supportive Environment: Build connections with industry experts and partners in a culture that values curiosity, initiative, and continuous learning. 
• Career Development: Strong path toward full-time roles like Product Specialist, Technical Sales, or Application Engineer based on performance. 

Why this role matters
The Bluereactor is a breakthrough in efficient, sustainable ozone technology. Each sector has unique requirements, regulations, and installation challenges. You ensure our technology fits these needs. You act as the technical bridge between science and real-world applications. Your work lays out the foundation for successful implementation and long-term impact.  

Ready to shape the future? 
If you are excited about diving deep into the technical aspects of ozone applications—and want to build a career at the intersection of innovation, sustainability, and application engineering—we would love to meet you. 

Apply with your CV, a brief summary of your Master’s thesis (including focus area and key findings), and a short statement (max 300 words) on why you want to translate your ozone research into commercial applications and which sector you find most compelling. 

KapiteinLabs | Pioneering Plasma Technology for Environmental Innovation 
Building a cleaner, more sustainable world through advanced science and engineering