Senior Data Scientist; GenAI

Position: Senior Data Scientist (GenAI)

Location: Greater London

We believe in better. And we make it happen.

Better content. Better products. And better careers.

Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to broadcast, streaming to mobile, SkyQ to Sky Glass, we never stand still. We optimise and innovate.

We turn big ideas into the products, content and services millions of people love.

And we do it all right here at Sky.

Group AI at Sky

We’re on a mission to make Sky smarter, faster, and more customer-centric by harnessing the power of Generative AI. Sitting at the heart of Sky’s innovative Group AI function, the GenAI delivery team blends deep technical expertise with commercial focus to deliver next-gen AI solutions that power everything from customer agent knowledge to conversational AI.

You’ll work alongside engineers, product, and domain experts to shape the way Sky uses D ata S cience and L arge L anguage M odels to unlock real value across the business.

What you ll do

Translate complex business challenges into structured D ata S cience problems , defining hypothes e s, solution approaches and measurable s uccess metrics .

Design and develop Generative AI solutions for applications such as knowledge retrieval (RAG), conversational agents, and synthetic content creation.

Design and run experiments to test and validate AI/ML approaches, including LLM evaluation frameworks and statistical significance testing.

Leverage Sky’s rich data assets to implement scalable AI solutions and establish robust evaluation benchmarks.

Collaborate across engineering, product, and commercial teams to take AI-driven solutions from ideation through deployment.

Partner with stakeholders to ensure robust, compliant , and performant AI solutions.

Strengthen our internal data science capabilities by continuously driving experimentation , innovation , and continuous learning .

What you ll bring

Advanced degree (MSc or PhD) with specialization in Statistics, Data Science, Machine Learning, Physics, Mathematics, Operations Research, Engineering or another quantitative field, or equivalent industry experience.

Hands-on e xperience developing solutions with Large Language Models in enterprise environments .

Experience designing evaluation fram e works for generative systems ( e.g., LLM-as-a-judge , task - specific metrics ) .

Expertise in applied ML, with hands-on experience building models using Python and relevant libraries and frameworks (e.g., scikit-learn, XGBoost , PyTorch ).

Experience with vector databases , data querying languages and retrieval methods.

A commercial mindset, you understand how data science drives value, not just insight

Strong communication skill s ; able to frame complex problems in business terms.

The rewards

There s one thing people can t stop talking about when it comes to #Life At Sky : the perks. Here’s a taster:

• Sky Q, for the TV you love all in one place
• The magic of Sky Glass at an exclusive rate
• Discounted mobile and broadband
• A wide range of Sky VIP rewards and experiences

Inclusion & how you ll work

We are a Disability Confident Employer, and welcome and encourage applications from all candidates. We will look to ensure a fair and consistent experience for all, and will make reasonable adjustments to support you where appropriate . Please flag any adjustments you need to your recruiter as early as you can.

We’ve embraced hybrid working and split our time between unique office spaces and the convenience of working from home. You’ll find out more about what hybrid working looks like for your role later on in the recruitment process.

Your office space:

Your office space:

Our Osterley Campus is a 10-minute walk from Syon Lane train station. Or you can hop on one of our free shuttle buses that run to and from Osterley, Gunnersbury, Ealing Broadway and South Ealing tube stations. There’s also plenty of bike shelters and showers.

On campus, you’ll find 13 subsidised restaurants, cafes, and a Waitrose. You can keep in shape at our subsidised gym, catch the latest shows and movies at our cinema, get your car washed and even get pampered at our beauty salon.

or

Livingston Watermark House:

Livingston Watermark House:

Our lively campus is…