Senior Data Scientist (Safety)
Faculty is hiring a Senior Data Scientist (Safety) for a remote role open to applicants in United Kingdom. Level rates it ; you can apply on Faculty.
Level's read on this job
- Level rates this data scientist role Builds AI ●●●●: the job is building AI systems.
- The posting lists this role as remote.
- Tools and skills the posting cites include Python, PyTorch and TensorFlow.
- Level classifies it as a senior role.
- Level lists 83 other open roles at Faculty.
AI in this role
Lead high-impact AI safety projects, invent novel evaluation frameworks, and collaborate with frontier labs on robust model evaluation.
Why Faculty?
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.
About the team
Our National Security and AI Safety business unit is dedicated to advancing the responsible development and deployment of AI in support of national security and global stability. From strengthening mission-critical capabilities across national security and intelligence, to working with frontier labs to provide robust AI safety red teaming and evaluation, we work at the frontier of high-stakes, high-impact missions.
We understand that powerful AI systems bring both transformative opportunities and complex risks and we are proud to partner with Government and the biggest tech organisations in the world to ensure AI is not just transformative but is also secure, trustworthy and safe for all.
Because of the nature of the work we do with our Government clients, you may need to be eligible for Security Clearance (SC) and willing to work on site with our clients from time to time.
About the role
As a Senior Data Scientist at Faculty, you will lead high-impact AI safety projects and shape the technical direction of upstream evaluation standards. This role requires hands-on scientific thinking and technical excellence combined with strong project leadership.
You will invent novel evaluation frameworks, design robust software architectures, mentor technical team members, and ensure delivery rigour across engagements—all while partnering with Frontier Labs to solidify our reputation as a leader in practical, high-stakes AI safety.
What you'll be doing:
Leading project teams that deliver upstream AI safety solutions and evaluation standards to Frontier Labs.
Conceiving core scientific experiment designs and building the associated software architecture for new engagements.
Mentoring technical team members on projects and supporting their professional growth through scientific guidance.
Partnering with commercial teams to shape project scope, assess technical feasibility, and translate complex problems into rigorous frameworks.
Contributing to Faculty’s thought leadership by advancing the science of AI evaluations, public speaking, or publishing open-source research.
Ensuring rigorous scientific methodology and technical best practices are followed across the project lifecycle.
Who we're looking for:
You possess senior experience in a professional data science role, upstream safety research, or a quantitative academic field with strong experiment design methodology.
You demonstrate strong programming skills in Python using core scientific libraries (NumPy, Pandas) and , ideally, evaluation frameworks and tooling (e.g. Inspect AI) and agentic harnesses.
You bring deep curiosity and expertise across the data science toolkit, with a drive to develop novel evaluation standards for specialized domains.
You exhibit high technical rigor and a collaborative mindset focused on nurturing team capabilities and sharing technical knowledge.
You demonstrate commercial awareness, with the ability to bridge complex scientific work with client requirements in Frontier Labs.
You excel at scientific problem-solving, scoping technical work, and guiding project execution to meet high standards on structured timelines.
Our Interview Process
Talent Team Screen (30 minutes)
Take Home Technical Assessment
Technical Interview (90 minutes)
Commercial Interview (60 minutes)
Our Recruitment Ethos
We aim to grow the best team - not the most similar one. We know that diversity of individuals fosters diversity of thought, and that strengthens our principle of seeking truth. And we know from experience that diverse teams deliver better work, relevant to the world in which we live. We’re united by a deep intellectual curiosity and desire to use our abilities for measurable positive impact. We strongly encourage applications from people of all backgrounds, ethnicities, genders, religions and sexual orientations.
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.
How we rate this
Senior Data Scientist (Safety) at Faculty rates 90 out of 100 for how much of the daily work is AI. That makes it Builds AI (AI Level 4 of 4). The level is about AI in the job, not seniority.
Builds AI. The job is building AI systems.
- ●●●● Builds AI80 to 100
- ●●●○ Works on AI60 to 79
- ●●○○ Uses AI40 to 59
- ●○○○ Little AI0 to 39
Levels come from how often the tools, models and workflows of the role are named in the posting itself. Read the description and count the AI tools, models and workflows it names.
Prepare for this job
Built from this posting and from similar jobs on Level.
Skills and AI tools this role asks for
Also common in data scientist jobs at this level
Pay
- Typical data scientist job
- $166k
This posting doesn't list pay. Use the typical data scientist figure when pay comes up. See data scientist jobs
Questions you could be asked
- How do you think about the risk of an AI system in this kind of role failing silently?
- Tell me about a project where machine learning was part of your work. What did you do?
- Tell me about a project where model evaluation was part of your work. What did you do?
- Tell me about a project where red teaming was part of your work. What did you do?
- Tell me about a project where data science was part of your work. What did you do?
Adapt your resume
- List these exact terms on your resume: AI Safety, Machine learning, Model Evaluation, Red Teaming, and Data Science. An applicant tracking system matches the wording, not the idea.
- Attach one line of real, concrete experience to at least one of them. A tool named with nothing behind it rarely survives a human read.
- Lead with what you built, trained or shipped. This role is judged on the AI system itself, not the tools around it.
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