Younergy is looking for an experienced Heat Pump Engineer and Project Manager in Solothurn to spearhead the expansion of their thermal solutions for large-scale industrial and commercial buildings. You will be responsible for the entire technical lifecycle, from conducting energy audits (GEAK/CECB) and designing complex heating systems to managing project timelines, costs, and quality across German-speaking Switzerland. The ideal candidate holds a degree in building technology or thermal engineering and brings at least five years of experience in high-capacity heat pump projects, along with a deep understanding of SIA standards and Swiss subsidy regulations. This role offers a competitive salary and a high degree of influence within a "Du-Kultur" environment, perfect for a bilingual professional (German/French) eager to drive the decarbonization of the heating sector.