visa sponsored job
Data Science & AI
Remote
Visa Sponsorship Likely

Principal Data Scientist

Faculty
United Kingdom
Verified OpportunityChecked by PathwayAI staff.

Role Summary

Join Faculty as a Principal Data Scientist to lead transformative AI projects in the Defence sector, with flexibility to work remotely in the UK.

About the Organisation

We established Faculty in 2014 because we thought that AI would be the most important technology of our time. Since then, we’ve worked with over 350 global customers to transform their performance through human-centric AI. You can read about our real-world impact here.

We don’t chase hype cycles. We innovate, build and deploy responsible AI which moves the needle - and we know a thing or two about doing it well. We bring an unparalleled depth of technical, product and delivery expertise to our clients who span government, finance, retail, energy, life sciences and defence.

Our business, and reputation, is growing fast and we’re always on the lookout for individuals who share our intellectual curiosity and desire to build a positive legacy through technology.

AI is an epoch-defining technology, join a company where you’ll be empowered to envision its most powerful applications, and to make them happen.

Our Defence team is focused on building and embedding human centred AI solutions which give our nation a competitive edge in the defence sector. We collaborate with our clients to bring ethical, reliable and cutting edge AI to high-stakes situations and maintain the balance of global powers essential to our liberty.

Because of the nature of the work we do with our Defence clients, you will need to be eligible for UK Security Clearance (SC) and willing to work between 2 to 4 days per week on site with these customers which may require travel to locations throughout the UK.

When not required on client sites, you’ll have the flexibility to work from our London office or remotely from elsewhere within the UK.

As a Principal Data Scientist at Faculty, you will drive high impact transformation within our Defence team by taking ownership of complex machine learning delivery and sector specific strategy. You will act as a trusted technical authority and domain expert, leading project scoping, technical selling, and client management to deliver exceptional value. Balancing deep business knowledge with advanced analytical skill, you will shape cutting edge AI solutions, build robust client partnerships, and mentor data scientists across ambitious initiatives.

  • You bring deep domain expertise within Defence or other industries, allowing you to quickly spot opportunities and maximise impact.
  • You enjoy mentoring junior colleagues and have prior direct management experience, inspiring them to continually stretch and grow their technical skill.
  • You bring broad knowledge across a range of machine learning techniques, including experience building Generative AI and agentic AI applications with Large Language Models
  • You have advanced coding skills in Python and proven experience building and maintaining scalable codebases.
  • You excel at making pragmatic decisions, choosing optimal solutions based on time, resources, and complexity.
  • You are an engaging communicator who builds trust effortlessly with senior stakeholders and technical counterparts.

Working Conditions

If you don’t feel you meet all the requirements, but are excited by the role and know you bring some key strengths, please don't hesitate in applying as you might be right for this role, or other roles. We are open to conversations about part-time hours.

A note on AI: we're happy for you to use it for research and interview prep, but please don't use it to generate answers during live interviews. We also use an AI note-taker (Metaview) in interviews so interviewers can stay present (which you can opt out of just let us know,) and every application is reviewed by a human, never decided by AI.

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  • Unlimited Annual Leave Policy
  • Private healthcare and dental
  • Enhanced parental leave
  • Family-Friendly Flexibility & Flexible working
  • Sanctus Coaching
  • Hybrid Working

Eligibility Criteria

Applicants must be eligible for UK Security Clearance (SC) and will primarily work remotely within the UK.

Exp. LevelNot specified
EducationNot specified

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Published On
August 27, 2026
Application Deadline
Ongoing / No specific deadline
Location
UK - Remote
Employment Type
Full Time • Remote
Source
Arbeitnow
Last verified: August 28, 2026
Degree Level
Master's
Visa Sponsorship
Visa Sponsorship Likely
Africa Eligibility
International — African Eligibility Unclear
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