> Markdown version of [/jobs/ext/4018956-senior-data-scientist-safety](https://www.wearedevelopers.com/jobs/ext/4018956-senior-data-scientist-safety). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Senior Data Scientist (Safety)

- **Company:** Faculty
- **Location:** London, United Kingdom
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Artificial Intelligence, Computer Programming, Python (Programming Language), NumPy, Open Source Technology, Software Architecture, Software Safety, Pandas
- **Published:** October 30, 2026
- **Apply:** https://www.totaljobs.com/job/senior-data-scientist/faculty-job108251546

## About the Role

* 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.

## Description

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.