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Concrete Lab Technician
Paebbl
Rotterdam, Netherlands
Posted on Oct 15, 2025
R&D · Rotterdam, the Netherlands
Concrete Lab Technician
Join Paebbl and help shape the future of sustainable construction- turning captured CO₂ into high-performance building materials through cutting-edge innovation and hands-on lab excellence.
Join Paebbl, a founder-led start-up in the burgeoning field of climate technology and the emerging “carbon economy”. Our mission is to permanently sequester CO₂ and repurpose it into essential products. Inspired by natural CO₂ mineralization, our technology accelerates this process by a factor of a million and is now ready for scale-up. We are backed by supportive, long-term oriented institutional and private investors, and our team features a diverse group of experts from technology, industrial engineering, digital innovation, waste management, finance, and academia.
Overview:
We are seeking a hands-on and detail-oriented Concrete Lab Technician with 2–4 years of experience in cementitious materials testing. In this role, you will play a critical part in developing and testing innovative cement, mortar, and concrete mixes supporting research, quality assurance, and performance validation for next-generation sustainable building materials.
You will work closely with our R&D and production teams to ensure that new formulations meet both performance and environmental standards.
Responsibilities:
- Prepare and test cement, mortar, and concrete samples to evaluate physical and mechanical properties such as strength, workability, setting time, and durability.
- Conduct experimental trials with new formulations, additives, and alternative binders to assess performance and optimize material properties.
- Record, analyze, and interpret test results using standardized methods (e.g., ASTM, EN standards).
- Operate and maintain laboratory testing equipment such as compression testing machines, mixers, and curing chambers.
- Support the development and validation of new materials by providing reliable data and technical insights.
- Collaborate with engineers and scientists to improve testing protocols and material design.
- Ensure quality control of materials used in pilot production or scale-up phases.
- Maintain accurate documentation and uphold strict safety and cleanliness standards within the laboratory.
Skills and qualifications:
- 2–4 years of experience in a construction materials or cement testing laboratory.
- Practical knowledge of cement, mortar, and concrete mix design and testing.
- Familiarity with ASTM, EN, or ISO testing standards related to cementitious materials.
- Strong data accuracy, documentation, and analytical skills.
- Ability to work independently while collaborating across R&D and operations teams.
- Passion for innovation and sustainable material development.
- Technical diploma or bachelor’s degree in civil engineering, materials science, or a related field is a plus.
What We Offer:
- Competitive salary.
- Stock option program participation.
- Private healthcare insurance.
- Annual training and development budget.
- Annual wellness budget.
- Unlimited days paid vacation.
- Up to 6 months of compensated parental leave.
- Standard pension scheme support
We are committed to creating a positive, inclusive work environment that respects all stakeholders, including our team, collaborators, customers, and partners. Our Code of Conduct reflects our dedication to maintaining a constructive workplace culture. Join Paebbl and be a part of a pioneering company at the forefront of the CO₂ removal and CO₂-negative materials industries.
Ready to make a real impact? Apply today and help us build a sustainable future!
Please note that successful candidates will be required to undergo professional reference checks and background screening prior to joining the company.
Please submit your CV in English.
- Department
- R&D
- Locations
- Rotterdam, the Netherlands
About Paebbl
Paebbl transforms CO₂ into valuable construction materials. Our technology locks CO₂ into mineral form, producing high-performance construction materials that help reduce global emissions. Backed by top investors and supported by a dynamic team across four main hubs, London, Rotterdam, Helsinki, and Stockholm, Paebbl offers the chance to tackle one of the planet’s most urgent challenges, starting with transforming the materials that shape our cities into a force for climate progress.
R&D · Rotterdam, the Netherlands
Concrete Lab Technician
Join Paebbl and help shape the future of sustainable construction- turning captured CO₂ into high-performance building materials through cutting-edge innovation and hands-on lab excellence.
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