Agentic AI Engineer

About Haleon

Haleon is a purpose-driven, world-class consumer company putting everyday health in the hands of millions. In just three years since launch, the company has grown and evolved into an exciting new chapter filled with bold ambitions and enormous opportunity.

Our trusted portfolio of brands – including Sensodyne®, Panadol®, Advil®, Voltaren®, Theraflu®, Otrivin®, and Centrum® – lead in resilient and growing categories. What sets Haleon apart is a unique blend of deep human understanding and trusted science.

The Win as One strategy fully realises the potential of the business and its people. It puts the purpose – to deliver better everyday health with humanity – at the heart of everything, united by an agile, performance-focused culture.

About the role

Agentic AI Engineer is a hands-on engineering role in the Data and AI Office, reporting to the Head of AI Engineering. The role builds and operationalises secure, production-grade AI agents, Copilot extensions and reusable enterprise capabilities.

The role works across the delivery lifecycle, from use-case exploration and technical design through development, evaluation, deployment, monitoring and continuous improvement. It will contribute to reusable skills, plugins, MCP-enabled integrations, governed data and semantic grounding, and repeatable engineering patterns that can support multiple functions, markets and use cases.

Key responsibilities

• Work with product owners, business SMEs, data owners and risk stakeholders to translate business processes and user needs into technically viable agentic AI solutions with clear outcomes, acceptance criteria and operational constraints.
• Contribute to the technical design of assigned agents and Copilot solutions, including secure grounding and retrieval, identity, access, reliability, maintainability, observability, rollback and supportability.
• Design and write production-quality code, configurations, prompts, agent instructions, tools, APIs, connectors, MCP services and automation using Microsoft Foundry, Copilot Studio, Microsoft 365 Copilot extensibility, Microsoft Graph and Copilot APIs, Azure integration services and Power Platform.
• Build reusable components, skills, plugins, tool definitions, prompt templates, evaluation assets, connectors and deployment modules, integrating with governed enterprise data and semantic layers.
• Execute unit, component, integration, regression, grounding, adversarial, performance, accessibility, security and compliance tests; build representative evaluation datasets and business-specific quality rubrics.
• Deploy solutions through controlled development, test and production environments; configure telemetry, traces, dashboards, alerts, auditability and production runbooks; and support diagnosis and remediation of production incidents.
• Apply source control, peer review, version control, dependency management, automated build and CI/CD practices, and contribute production learning to reusable standards and engineering guidance.

Essential qualifications and skills

• Agentic AI architecture, orchestration and multi-step workflow design.
• Microsoft Foundry Agent Service and SDK-based development.
• Microsoft Copilot Studio, Power Platform environments, solutions and ALM.
• Claude Code and Codex.
• Microsoft 365 Copilot extensibility, including agents, skills, plugins, connectors, MCP and APIs.
• Python and TypeScript/.NET engineering for production services and integrations.
• API, event, workflow and integration architecture, including Azure API Management, Functions and Logic Apps where appropriate.
• Enterprise grounding, RAG, vector search, semantic models and governed data products.
• Microsoft Entra identity, OAuth, managed identities, RBAC and least privilege.
• GitHub or Azure DevOps, CI/CD or configuration automation and release engineering.
• AI evaluation, prompt and tool testing, observability, OpenTelemetry and Application Insights.
• Threat modelling, secure development, privacy, Microsoft Purview and Responsible AI.

Preferred qualifications and skills

• Experience developing and delivering enterprise AI, data, cloud or automation solutions, with evidence of hands-on software engineering.
• Experience contributing across requirements, design, build, testing, go-live and live operations, including integration with enterprise data, APIs, identity and security controls.
• Experience operating in a regulated, privacy-sensitive or similarly controlled environment.
• Degree in computer science, software engineering or a related discipline, or equivalent practical experience.
• Relevant Microsoft AI, Power Platform, Azure or security credentials aligned to the candidate's specialism; equivalent practical experience is acceptable.

Job posting end date

2026-10-31

Equal opportunities

Haleon is committed to mobilising its purpose in a way that represents the diverse consumers and communities who rely on its brands every day. This guides the creation of an inclusive culture, where different backgrounds and views are valued and respected – in support of understanding and best serving the needs of consumers and unleashing the full potential of employees.

During the application process, Haleon may ask you to share some personal information, which is entirely voluntary. This information ensures Haleon meets certain regulatory and reporting obligations and supports the development, refinement, and execution of inclusion and belonging programmes that are open to all employees.

Personal information provided will be kept confidential, used only for legitimate business purposes, and will never be used in making any employment decisions, including hiring decisions.

Reasonable adjustments or accommodations

If you require a reasonable adjustment or accommodation or other assistance to apply for a job at Haleon at any stage of the application process, please let your recruiter know by providing a description of specific adjustments you are requesting. Haleon will provide all reasonable adjustments to support you throughout the recruitment process and treat all information you provide in confidence.

Note to candidates

The Haleon recruitment team will contact you using a Haleon email account (@haleon.com). If you are not sure whether an email you received is from Haleon, please get in touch.