Senior AI Engineer in London

Overview

This role in 3 words: Cross-collaboration. Ownership. Explore.

Top 3 qualities for this role: Adaptability, communication, attention to detail.

Where you’ll work: Depending on the needs of your business area, we expect hub based people to be in the office at least once a week, and to go to OVO Connection events in-person. You’ll be assigned to the closest one of our three hub offices, Bristol, Glasgow, or London; unless your role requires field-based work. Each hub has accessible spaces to park your laptop, is designed to inspire people, help them connect and bring big ideas to life.

Everyone belongs at OVO: At OVO, we are on a mission to solve one of humanity's biggest challenges, the climate crisis. And we know it takes all of us to change the world. That’s why we need diverse people from all abilities, gender identities, ethnicities, ages, sexual orientations, life experiences and backgrounds to join us.

Teamworking for the planet: Everything we do here spins around Plan Zero. So, naturally, the team you’ll be joining plays a gigantic role in making that happen. Here’s how: We are building AI solutions in production, at scale. Our mission is to put AI at the heart of OVO’s operations. We are using AI to drive hyper-personalised experiences, and to help our advisors to spend time with customers who need them the most. Whether we are tackling climate change or another complex challenge, we aim to make a difference. Be part of this transformative journey with us.

This role in a nutshell: As a Senior AI Engineer in our team, your role will be instrumental in developing and scaling our contact centre AI solution. You will work as an AI Engineer in a cross functional team. Your expertise will drive the delivery of innovative AI-powered features, ensuring OVO Energy remains a leader in providing seamless and tailored experiences for our customers. This role is an opportunity to leverage AI for a sustainable future while pushing the boundaries of technology.

Your key outcomes:

• Working closely within a cross-functional product team of Data Scientists, Software Engineers, and Data Engineers to build and scale our contact centre AI solution as the dedicated AI Engineer.
• Building Agentic AI solutions in production. Developing and maintaining the training, evaluation, deployment and operations of AI Agents. This includes tool calling, Retrieval-Augmented Generation (RAG), fine-tuning, and other usage of large language models (LLMs).
• Work with data scientists to design and implement feedback loops, online and offline evaluation methods, and A/B testing for continuous model improvement.
• Own the observability, cost management, performance, training, and evaluation of models to ensure reliable and efficient deployments.
• Bring AI expertise to shape our target architecture, design pipelines and help define robust development processes.

You’ll be a successful Senior AI Engineer here if you…

• Demonstrated experience with deploying production-grade AI inferences with rigorous standards for scalability, reliability, and monitoring.
• Experience in repeatable cloud infrastructure provisioning, configuration management across the AIOps architecture (including CI/CD pipelines) and database systems.
• Fluency in Python, SQL and Terraform.
• Strong understanding of software testing and continuous integration.
• Proven ability to deliver high-quality data and software engineering projects end-to-end, translating into true commercial impact within a business.
• Excellent presentation and communication skills - able to articulate results clearly and concisely to senior stakeholders.
• Ability to consult with, and sometimes challenge, teams of differing levels of data engineering knowledge.
• Background in software engineering with experience working as a dedicated AI Engineer in a collaborative team.

You’ll stand out if you have:

• Experience within the energy sector or contact centre operations.
• Commercial experience deploying and monitoring customer-facing Generative AI models (LLMs).
• Familiarity with Agentic AI for autonomous applications.

Let’s talk about what’s in it for you: We’ll pay you between £64,000 - £92,000, depending on your specific skills and experience. We keep our pay ranges broad on purpose to give us, and you, flexibility to match your experience to our zero carbon mission. You’ll be eligible for an on-target bonus of 15%. We have one OVO bonus plan that focuses on the collective performance of our people to deliver our Plan Zero goal. We also offer plenty of green benefits and progressive policies to help you feel like you belong at OVO…and there’s flex pay. We’ll give you 9% Flex Pay on top of your salary – 4% of this is auto enrolled into your pension, and the remaining 5% is yours to do what you like with. You can use this to buy from our extensive range of flexible benefits, including our green benefits which we’ve put at the heart of our offering, add to your pension or even take it as cash.

Here’s a taster of what’s on offer: For starters, you’ll get 34 days of holiday.