Cofounding CTO | Data Centre Infrastructure | Remote | TWE43917

twentyAI; Remote; GBP 150,000 - 200,000; Full time

Job summary

A dynamic tech startup in the UK is looking for a Cofounding CTO to take charge of the technology strategy and roadmap. The ideal candidate will have deep expertise in thermal systems and HVAC, proven experience in scaling hardware technology from prototype to deployment, and strong leadership skills to mentor a high-performing engineering team. This role offers equity and the chance to impact sustainable computing infrastructure significantly at a pivotal time for the company.

Benefits

Founder-level equity

Direct impact on sustainable computing infrastructure

Supportive board and investors

Qualifications

• Expertise in thermal systems and HVAC for data-centre infrastructure.
• Proven experience scaling hardware-led technology from prototype to deployment.
• Strong leadership skills to build and coach engineering teams.

Responsibilities

• Own the technology strategy and roadmap for commercial deployments.
• Lead R&D, engineering, and product across multiple disciplines.
• Build manufacturing readiness for scaled production.

Skills

Deep domain expertise in data-centre cooling / HVAC

Experience with controls and software integration

Strong leadership and mentoring

Clear communication skills

Job description

The Opportunity

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.

As CTO and cofounder, you will :

• Own the end-to-end technology strategy and roadmap, taking the product through first commercial deployments and iterative releases
• Lead R&D, engineering and product across :
• Thermal systems and psychrometrics
• Mechanical design and system packaging
• Controls, monitoring and software integration (DCIM / BMS)

Build manufacturing and supply-chain readiness for scaled production, working with OEMs and key suppliers

Ensure 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 integrators

Act as the technical representative with customers, partners, investors, regulators and at industry events

Ideal Background

• Deep domain expertise in one or more of :
  • Data-centre cooling / HVAC
  • Data-centre infrastructure design, operation or integration
• Proven experience scaling hardware-led technology from prototype through :
  • Design for manufacture
  • Certification and standards compliance
  • Real-world deployment at scale
  • Experience with controls, monitoring and software integration (BMS / DCIM / SCADA or similar)
• Comfortable operating close to research environments and IP
• Strong leadership track record building and coaching engineering teams
• Clear communicator, able to explain complex thermodynamics to non-technical stakeholders

Why Join?

• Founder-level equity
• Direct impact on the future of sustainable computing infrastructure
• Join at a pivotal inflection point : final validation -> rapid commercial scaling
• Supportive board and investors with a clear commercial pathway