Cofounding CTO | Data Centre Infrastructure | Remote | TWE43917

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

Job summary

A tech startup is seeking a Cofounding CTO to own the technology roadmap and transition from prototype to global rollout. You'll lead R&D and engineering across thermal systems and data-centre infrastructure, while ensuring compliance with safety and performance standards. Ideal candidates will have deep expertise in HVAC, experience with scaling hardware technology, and a strong leadership background. The role offers founder-level equity and the chance to impact sustainable computing infrastructure.

Benefits

Founder-level equity

Direct impact on sustainable computing infrastructure

Supportive board and investors

Qualifications

• Proven experience scaling hardware-led technology from prototype to real-world deployment.
• Experience with design for manufacture and certification compliance.
• Ability to operate close to research environments.

Responsibilities

• Own the end-to-end technology strategy and roadmap.
• Recruit, mentor and lead a high-performing engineering team.
• Partner closely with the CEO on customer engagement and strategic partnerships.

Skills

Deep domain expertise in data-centre cooling / HVAC

Experience with controls, monitoring and software integration

Strong leadership track record in engineering

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