R&D Chemist/Chemical Engineer/Material Scientist (Thermal Energy Storage) or similar

Cowa Thermal Solutions AG is a dynamic startup on a mission to revolutionize how the world stores and uses heat. Our compact, high-performance thermal storage systems are built on cutting-edge phase change materials. If you're a hands-on chemist who thrives in a lab and enjoys turning ideas into industrial reality – join us and shape the future of sustainable energy. To support our R&D team, we are looking for a:

Your Role

We’re looking for a passionate chemist, chemical engineer or materials scientist to join our R&D team and help develop next-generation salt hydrate-based thermal storage materials. You'll be involved from the lab bench to pilot scale, playing a critical role in the formulation, testing, scale-up and industrialization of our materials.

Your Key Responsibilities

• Develop and optimize innovative salt hydrate formulations for thermal energy storage
• Conduct lab-scale synthesis, testing and analysis of new materials
• Plan and manage scale-up from lab to pilot and industrial scale
• Characterize materials using thermal, physical and chemical techniques
• Document findings, prepare technical reports, and support patent applications
• Collaborate with engineers to translate lab results into product solutions
• Present progress in internal meetings and contribute to technical roadmaps
• Ensure lab safety and maintain high-quality standards throughout

What You Bring

• Bachelor's or Master's degree (or PhD) in Chemistry, Chemical Engineering, or Materials Science
• Practical experience in R&D of inorganic materials or crystallization processes is a plus
• Proficiency in analytical and characterization methods for thermal storage materials
• Solid understanding of lab safety and chemical handling
• Strong documentation, reporting, and communication skills
• Fluent in English; German is a strong plus
• Self-driven, structured, and comfortable working in a fast-paced environment

Why Join Us

• Work on cutting-edge materials for the energy transition
• Be part of a small, passionate and interdisciplinary team
• Take ownership and bring real innovations to life
• Flexible working models and modern lab infrastructure
• Office and lab at Technopark Luzern (Root D4), excellent public transport connections

Apply now and be part of the heat revolution!

For questions, reach out to us. We look forward to hearing from you.

Cowa Thermal Solutions AG

Herr Remo Waser

CTO

+41 41 244 17 01

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