We are seeking a Cofounding CTO with deep expertise in thermal systems, HVAC, or data-centre infrastructure to own the technology roadmap and lead the transition from late-stage prototype to global roll-out.The OpportunityAs CTO and cofounder, you will:Own the end-to-end technology strategy and roadmap, taking the product through first commercial deployments and iterative releasesLead R&D, engineering and product across:Thermal systems and psychrometricsMechanical design and system packagingControls, monitoring and software integration (DCIM / BMS)Build manufacturing and supply-chain readiness for scaled production, working with OEMs and key suppliersEnsure compliance with relevant data-centre, safety, performance and sustainability standards.Recruit, mentor and lead a high-performing, multi-disciplinary engineering team (mechanical, electrical, software)Partner closely with the CEO and board on customer engagement, pilots and strategic partnerships with data centres and integratorsAct as the technical representative with customers, partners, investors, regulators and at industry eventsIdeal BackgroundDeep domain expertise in one or more of:Data-centre cooling / HVACData-centre infrastructure design, operation or integrationProven experience scaling hardware-led technology from prototype through:Design for manufactureCertification and standards complianceReal-world deployment at scaleExperience with controls, monitoring and software integration (BMS / DCIM / SCADA or similar)Comfortable operating close to research environments and IPStrong leadership track record building and coaching engineering teamsClear communicator, able to explain complex thermodynamics to non-technical stakeholdersWhy Join?Founder-level equityDirect impact on the future of sustainable computing infrastructureJoin at a pivotal inflection point: final validation -> rapid commercial scalingSupportive board and investors with a clear commercial pathway