National AI Awards 2025Discover AI's trailblazers! Join us to celebrate innovation and nominate industry leaders.

Nominate & Attend

Chief Technology Officer CTO

TransitionZero
London
2 months ago
Applications closed

Related Jobs

View all jobs

Director -Data Science and Analytics

KTP Associate in Machine Learning

KTP Associate in Machine Learning

Machine Learning Engineer

Machine Learning Engineer

Immediate Start! Machine Learning Engineer...

About Us
We are a climate analytics nonprofit established in 2021. We provide system modelling data software and analysis to support energy transition planning and decisionmaking. We are funded by the Quadrature Climate Foundation Google Sequoia Climate Foundation Bloomberg Philanthropies European Climate Foundation among others. Our data software and analysis is used by developers financiers planners and think tanks internationally.

At TransitionZero we understand that diversity is an essential component of a successful team whether that be diverse ways of thinking personal or professional backgrounds and skills. We aim to be the most talented notforprofit in our vertical spearheading innovative data solutions through our culture of inclusivity and adaptability. Now we are looking for an experienced Chief Technology Officer

Our people are our greatest asset and the diverse experience skills and perspectives individuals bring to our organisation are the driving force of our success. We will consider all qualified applicants in the recruitment process as we welcome all the unique qualities and experiences that make you you.
About the Role
We are looking for an experienced Technology Leader to drive the strategic direction of our Software Data and Machine Learning teams who together are building our energy systems modelling platform. Our platform will be the entry point to all of our data and analysis including our satellitederived greenhouse gas emissions intelligence for the electricity and heavy industry sectors our ingested forecast and weather data and our energy systems modelling capability. Users will be able to selfserve data and develop actionable insights accessed by a browserbased user interface which is supported by an API and Python client library.

You will be responsible for shaping and driving the companys technology strategy creating a platform that is a leader in energy system modelling. Reporting directly to the CEO youll collaborate with crossfunctional teams to deliver scalable secure and innovative solutions that meet and exceed our stakeholder expectations.
Responsibilities
  • Collaborate with senior leadership to define the technology vision strategy and roadmap in alignment with the companys business goals
  • Lead inspire and grow talented Software Data and Machine Learning teams
  • Ensure the scalability security reliability and cost efficiency of our technology infrastructure
  • Lead on technical architecture and design ensuring that it is scalable flexible and robust
  • Foster a culture of continuous improvement and innovation within the Technology team
  • Work closely with Product team to ensure alignment with company priorities of the roadmap facilitate crossfunctional collaboration and drive accountability for deliverables
  • Take a handson approach to project management. We are small growing organization which involves wearing many hats and at times willingness to roll up our sleeves
  • Drive agile methodologies and best practices to optimize product development processes and increase efficiency
  • Collaborate with internal and external stakeholders to translate market opportunities into technical solutions
About You
You should be passionate about building software products as well as being deeply curious about energy and the energy transition. All of us at TransitionZero are passionate about the transition to an emissionsfree world economy and are looking for likeminded colleagues. In addition to seeking out people with a proactive problemsolving attitude and an eye for detail as a growing organisation we greatly value collegiality and empathy for our coworkers.

While we are a rapidly growing tech startup we are also a nonprofit so a high level of adaptability and willingness to approach challenges with creativity and curiosity is essential.
Skills & Experience

Essential

  • Proven experience leading and developing highperforming teams including directly managing managers across crossfunctional departments.

  • Minimum of 10 years of experience in technology and software with proven experience in a senior technology leadership role (e.g. CTO VP Engineering or similar).

  • Expertise in data strategies tooling and architectures

  • Strong understanding of cloud infrastructure and SaaS architecture

  • Experience developing and productionising machine learning and data science workloads

  • Proven track record of successfully building and launching products in a fastpaced agile environment

  • Strong understanding of software development methodologies including agile/scrum and experience working with crossfunctional teams of engineers and product managers.

  • Excellent communication and interpersonal skills with the ability to influence and collaborate effectively with stakeholders at all levels

  • Strategic thinker with the ability to translate business objectives into actionable product strategies and roadmaps

  • Strong project management skills


Beneficial

  • Familiarity with electricity markets policy modelling approaches and modelling software

Salary & Benefits
  • Competitive salary based on experience
  • Enhanced competitive pension scheme
  • 25 days annual leave (excluding UK public holidays) and an additional day off on your birthday
  • 20 days annual allowance to work from anywhere in the world
  • Hybrid working and core working hours model
  • Allowance to set up your home office
  • Annual budget and dedicated leave time for relevant training courses
  • Enhanced genderneutral parental leave 4 months full paid)
  • Private healthcare following successful completion of the probation period
  • Yearly offsites
Our Commitment to Diversity Equity & Inclusion
Studies have shown that some people from marginalised or underrepresented groups are less likely to apply to a role unless they meet all of the hiring guidelines or qualifications. Whoever you are even if you dont meet all of the criteria if you can demonstrate a variety of skills and experience relevant to this role we encourage you to apply as you might just be the candidate we hire! At TransitionZero were looking for people who are genuinely passionate about what they do and we welcome all people regardless of their background.

If you would like to discuss any reasonable adjustments to the application or hiring process that may better facilitate your participation please contact our People Team for an informal chat. We will make every effort to respond to your request for assistance as soon as possible.

As an equal opportunity employer we do not discriminate based on any protected attribute. Our commitment is to provide equal opportunities an inclusive work environment and fairness to everyone.
Application Process
We are not working with any external agencies or recruitment partners on this role so kindly ask you to apply directly via our careers page.
About us
We are a climate analytics nonprofit established in 2021. We provide system modelling data software and analysis to support energy transition planning and decisionmaking. We are funded by the Quadrature Climate Foundation Google Sequoia Climate Foundation Bloomberg Philanthropies European Climate Foundation among others. Our data software and analysis is used by developers financiers planners and think tanks internationally.


Required Experience:

Chief


Key Skills
Active Directory,Customer Service,Information Technology,Database,Information Security,Infrastructure,Project Management,Sharepoint,Troubleshoot,Desktop,Computer System,Ensure Compliance,Procedures,hardware,Technical Support
Employment Type :Full-Time
Experience:years
Vacancy:1

National AI Awards 2025

Subscribe to Future Tech Insights for the latest jobs & insights, direct to your inbox.

By subscribing, you agree to our privacy policy and terms of service.

Industry Insights

Discover insightful articles, industry insights, expert tips, and curated resources.

Careers

How to Present AI Models to Non-Technical Audiences: A Public Speaking Guide for Job Seekers

In today’s competitive job market, AI professionals are expected to do more than just build brilliant algorithms—they must also explain them clearly to stakeholders who may have no technical background. Whether you're applying for a role as a machine learning engineer, data scientist, or AI consultant, your ability to articulate complex models in simple terms is fast becoming one of the most valued soft skills in interviews and on the job. This guide will help you master the art of public speaking for AI roles, offering tips on structuring presentations, designing effective slides, and using storytelling to make your work resonate with any audience.

Jobs

AI Jobs UK 2025: 50 Companies Hiring Now

Bookmark this guide – we refresh it every quarter so you always know who’s really scaling their artificial‑intelligence teams. Artificial intelligence hiring has roared back in 2025. The UK’s boosted National AI Strategy funding, record‑breaking private investment (£18.1 billion so far) & a fresh wave of generative‑AI product launches mean employers are jockeying for data scientists, ML engineers, MLOps specialists, AI product managers, prompt engineers & applied researchers. Below are 50 organisations that have advertised UK‑based AI vacancies in the past eight weeks or formally announced growth plans. They’re grouped into five easy‑scan categories so you can jump straight to the kind of employer – & culture – that suits you. For each company you’ll find: Main UK hub Example live or recent vacancy Why it’s worth a look (tech stack, culture, mission) Use the internal links to browse current vacancies on ArtificialIntelligenceJobs.co.uk – or set up a free job alert so fresh roles land in your inbox.

Jobs Careers

Return-to-Work Pathways: Relaunch Your AI Career with Returnships, Flexible & Hybrid Roles

Stepping back into the workplace after a career break can feel like embarking on a whole new journey—especially in a cutting-edge field such as artificial intelligence (AI). For parents and carers, the challenge isn’t just refreshing your technical know-how but also securing a role that respects your family commitments. Fortunately, the UK’s tech sector now boasts a wealth of return-to-work programmes—from formal returnships to flexible and hybrid opportunities. These pathways are designed to bridge the gap, equipping you with refreshed skills, confidence and a supportive network. In this comprehensive guide, you’ll discover how to: Understand the booming demand for AI talent in the UK Leverage transferable skills honed during your break Overcome common re-entry challenges Build your AI skillset with targeted training Tap into returnship and re-entry programmes Find flexible, hybrid and full-time AI roles that suit your lifestyle Balance professional growth with caring responsibilities Master applications, interviews and networking Whether you’re returning after maternity leave, eldercare duties or another life chapter, this article will equip you with practical steps, resources and insider tips.

🍪 We use cookies to enhance your browsing experience on our website. By continuing to use this site, you consent to the use of cookies as described in our Cookie Policy. You can review our Cookie Policy for more information.