Founding CTO - Data-Centre Infrastructure

twentyAI; Greater London; On-site; GBP 150,000 - 200,000; Full time

Job summary

A pioneering technology firm based in the UK seeks a Cofounding Chief Technology Officer (CTO) with extensive expertise in thermal systems and data-centre infrastructure. In this critical role, you will shape the technology strategy, drive product development from prototype to commercial launch, and lead a cross-functional team. The position offers the chance for founder-level equity and the opportunity to make a significant impact in a rapidly growing market. Join now to be part of a sustainable computing revolution.

Benefits

Founder-level equity

Direct impact on sustainable computing

Supportive board and investors

Qualifications

• Expertise in thermal systems, HVAC, or data-centre infrastructure.
• Experience in scaling hardware-led technology from prototype.
• Comfortable with design for manufacture and compliance.

Responsibilities

• Own the technology strategy and roadmap for global roll-out.
• Lead R&D and engineering across various systems.
• Build manufacturing and supply-chain readiness.
• Recruit and mentor a multi-disciplinary engineering team.

Skills

Deep domain expertise in data-centre cooling

Leadership and team building

Software integration knowledge

Strong communication skills

Job description

Description

Cofounding Chief Technology Officer (CTO)

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 Opportunity

As CTO and cofounder, you will :

• Own the end‑to‑end technology strategy and roadmap, taking the product from TRL8 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‑centre operators, hyperscalers 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

• Opportunity to be the technical founder of a business disrupting a £20bn+ global data‑centre cooling market
• 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