Senior Principal Data Scientist

OptumUK
Sheffield
1 week ago
Create job alert

The Vacancy


Are you a Principal Data Scientist looking to join an organisation where what you do genuinely makes an impact? Where you are empowered, heard and able to think creatively? Then look no further because we are what you have been looking for!


We are looking for a Senior Principal Data Scientist with strong technical skills using either Python or R, experience leading teams and the ability to communicate with both technical and non-technical teams across the business.


This role sits within Optum UK Health Analytics team responsible for taking large data sets from various sources and converting them into meaningful insights on UK healthcare. You will play a key role in developing and implementing Optum UK’s data science capabilities in the UK. Integrated within the UK Product team, you will use artificial intelligence (AI) models to create new and augment existing products that solve important problems faced by the UK healthcare system.


We are a collaborative team, we work hard and are passionate about what we do, but we ensure we have fun along the way. If this sounds like something you want to be a part of then apply today!


What you’ll do


You will take ownership of the UK’s data science function, this will include providing strategic and technical direction, team building and communicating with senior stakeholders across the business.

Other key responsibilities and accountabilities will include;

  • Provide strategic and technical direction for UK Product AI initiatives, communicating technical concepts to non-technical stakeholders and building consensus from various stakeholders.
  • Develop, deploy and maintain advanced AI models to create new and augment existing products that solve important problems faced by the UK healthcare system.
  • Work with autonomy and in collaboration with other team members, including data scientists, analysts, developers, and clinicians, to contribute to the strategic goals of the UK Product team.
  • Manage multiple priorities and projects to meet tight deadlines within a heavily matrixed business environment.
  • Horizon scan for internal and external advances in AI that can be applied to the UK business.


Who you’ll be


We need you to demonstrate significant experience within data science.

We want you to have experience in either Python or R together with experience leading data science teams. You will also have solid experience of creating and implementing both the strategic and technical direction of those teams.

Being passionate about tech and keeping up to date with market and industry trends is key, as we want you to share your knowledge and use that to show us where you have made improvements that have had business benefit.


Other skills we are looking for you to demonstrate include:


  • Advanced degree in a quantitative discipline.
  • Strong programming skills in R and Python.
  • A well-rounded data science skill set including the ability to build/maintain predictive models and explain model processes/outputs.
  • Ability to communicate effectively with a wide range of stakeholders and build strong business relationships as a trusted partner.
  • Ability to deal with multiple priorities.
  • Astute attention to detail and the integrity to openly report errors in a timely fashion.
  • A passion for solving problems and making a difference with data science.
  • Experience of gathering requirements from, and documenting processes for, end users.
  • Experience in building and/or fine-tuning transformer-based AI models.
  • Experience of managing the demands and various stakeholders within a highly matrixed business environment.
  • Ability to build/maintain predictive models and explain model processes/outputs.


Desirable

  • PHD level qualification or equivalent



Sound like the role you have been looking for? The apply today to find out more!



Equality, Diversity, and Inclusion


At Optum UK, we are committed to providing an inclusive, equitable culture where people feel able to bring their whole selves to work and to reach their full potential. This is a foundation stone of Optum UK, anchoring the employee cycle from recruitment through to ongoing personal development and genuine, continuous two-way employee engagement, supported by our company values which determine everything we do.


Optum UK is an equal opportunities employer, and we welcome applications from all suitably qualified candidates regardless of race, colour, religion, sex, sexual orientation, gender identity or expression, national or ethnic origin, age, disability, protected veteran status, or other characteristics protected by applicable law. We will always work to accommodate individual needs during your application journey. If you require any adjustments, please advise the talent team.

Related Jobs

View all jobs

Senior Principal Data Scientist

Senior Principal Data Scientist

Senior Principal Data Scientist

Senior Principal Data Scientist

Senior Principal Data Scientist

Senior Principal Data Scientist

Get the latest insights and jobs direct. Sign up for our newsletter.

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

Industry Insights

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

Top 10 Best UK Universities for Machine Learning Degrees (2025 Guide)

Explore ten UK universities that deliver world-class machine-learning degrees in 2025. Compare entry requirements, course content, research strength and industry links to find the programme that fits your goals. Machine learning (ML) has shifted from academic curiosity to the engine powering everything from personalised medicine to autonomous vehicles. UK universities have long been pioneers in the field, and their programmes now blend rigorous theory with hands-on practice on industrial-scale datasets. Below, we highlight ten institutions whose undergraduate or postgraduate pathways focus squarely on machine learning. League tables move each year, but these universities consistently excel in teaching, research and collaboration with industry.

How to Write a Winning Cover Letter for Machine Learning Jobs: Proven 4-Paragraph Structure

Learn how to craft the perfect cover letter for machine learning jobs with this proven 4-paragraph structure. Ideal for entry-level candidates, career switchers, and professionals looking to advance in the machine learning sector. When applying for a machine learning job, your cover letter is a vital part of your application. Machine learning is an exciting and rapidly evolving field, and your cover letter offers the chance to demonstrate your technical expertise, passion for AI, and your ability to apply machine learning techniques to solve real-world problems. Writing a cover letter for machine learning roles may feel intimidating, but by following a clear structure, you can showcase your strengths effectively. Whether you're just entering the field, transitioning from another role, or looking to advance your career in machine learning, this article will guide you through a proven four-paragraph structure. We’ll provide practical tips and sample lines to help you create a compelling cover letter that catches the attention of hiring managers in the machine learning job market.

Veterans in Machine Learning: A Military‑to‑Civilian Pathway into AI Careers

Introduction Artificial intelligence is no longer relegated to sci‑fi films—it underpins battlefield decision‑support, fraud detection, and even supermarket logistics. The UK Government’s 2025 AI Sector Deal forecasts an additional £200 billion in GDP by 2030, with machine‑learning (ML) engineers cited as the nation’s second most in‑demand tech role (Tech Nation 2024). The Ministry of Defence’s Defence AI Strategy echoes that urgency, earmarking £1.6 billion for FY 2025–28 to embed ML into planning, logistics, and autonomous systems. If you have ever tuned a radar filter, plotted artillery trajectories, or sifted sensor data for actionable intel, you have already worked with statistical modelling—the backbone of machine learning. This guide shows UK veterans how to reframe military experience for ML roles, leverage MoD transition funding, and land high‑impact positions building the models shaping tomorrow’s defence and commercial landscapes. Quick Win: Bookmark our live board for Machine‑Learning Engineer roles to see who’s hiring today.