AI Prompt Engineer

Financial Conduct Authority

. Craft and refine prompts that enable safe, secure and compliant use of LLMs, helping the FCA harness AI responsibly for the public good .

Posted 4/3/2026full-timeLondon • 🇬🇧 United KingdomMid-LevelSenior💰 £53,800 - £88,600 per yearWebsite

About the role

Key responsibilities & impact

Craft and refine prompts that enable safe, secure and compliant use of LLMs, helping the FCA harness AI responsibly for the public good
Partner closely with AI product owners, data scientists, compliance leads and business teams to co‑create solutions that deliver meaningful outcomes
Shape and implement technical and functional requirements for Agentic AI deployments that keep the FCA at the forefront of emerging industry standards
Ensure AI behaviours are accurate, explainable and aligned to FCA policies, strengthening trust and protecting millions of UK consumers
Build strong, collaborative relationships across departments to drive adoption of AI capabilities that support smarter, faster decision‑making
Create well‑documented, reusable prompts and contribute to a central prompt library that empowers colleagues across the organisation
Integrate prompting techniques into existing FCA services and applications, enhancing efficiency and user experience
Use qualitative and quantitative insights to guide AI development and maintain awareness of the fast‑evolving AI landscape

Requirements

What you’ll need

Prior experience with large language models, generative AI, prompt engineering and applying AI risk, fairness, policy and explainability principles
Proven experience delivering technology solutions within major corporate or government IT environments, collaborating effectively with technical and non‑technical stakeholders
Demonstrable experience communicating complex technical concepts clearly in both written and spoken form to audiences at varying levels
Confidence working with platforms such as Microsoft Copilot, OpenAI, or similar AI technologies
Experience shaping product strategy, roadmaps, or systems delivery, with strong awareness of how Microsoft Copilot products can support colleagues and enhance services
A current understanding of best practice in technical design and build, with the ability to balance quality, usability and long‑term sustainability
Significant hands‑on experience contributing to both the technical and functional design of relevant products

Benefits

Comp & perks

25 days annual leave plus bank holidays
Hybrid model where employees work a minimum of 40% in the office each month (expectation of 50% for senior leaders)
Non-contributory pension (8–12% depending on age) and life assurance at eight times your salary
Private healthcare with Bupa, income protection and 24/7 Employee Assistance
35 hours of paid volunteering annually
A flexible benefits scheme designed around your lifestyle

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Hard Skills & Tools

large language modelsgenerative AIprompt engineeringAI riskAI fairnessAI policyAI explainabilitytechnical designfunctional designtechnology solutions

Soft Skills

collaborationcommunicationrelationship buildingproblem-solvingstakeholder engagementadaptabilitycritical thinkinguser experience focusinsight analysisstrategic thinking