AI Subject Matter Expert

Job Description:

AI Subject Matter Expert (SME)

Location - Stevenage UK

Required Experience- 15+ Years

Overview

The AI Subject Matter Expert (SME) will provide hands-on leadership across technical delivery and strategic advisory initiatives, ensuring successful implementation of enterprise AI and GenAI solutions while supporting multiple teams and programs.

Must-Haves

Production Agentic System / LLM Pipeline Experience

  • Has shipped a multi-phase Lang Graph (or equivalent) agentic workflow.
  • Experience with retries branching, evaluations, and observability.
  • Beyond notebook prototypes and proof-of-concepts.

RAG at Scale

  • Comfortable with chunking strategies.
  • Embedding model selection experience.
  • Understanding of vector store trade-offs (Azure AI Search, pgvector, etc.).
  • Experience with structured extraction from PDFs, Word documents, and HTML content.

Cloud-Native on Azure

Experience with:

  • Azure OpenAI
  • Azure Functions / Container Apps
  • ADLS
  • Cosmos DB
  • Key Vault
  • Application Insights

Bonus:

  • Experience with GCP / Vertex AI.

Python Skills

  • Strong working knowledge of Python.
  • Ability to build, debug, and maintain production services.

Pragmatic About Evaluations

  • Ability to establish evaluation harnesses for LLM pipelines.
  • Understanding of:
  • LLM-as-judge approaches
  • Deterministic checks
  • Human review processes

Agent Hardening Experience

  • Prompt injection defense.
  • Tool-use safety.
  • Sandboxing.
  • Understanding of failure modes in agentic systems beyond traditional RAG implementations.

MCP / Tool-Calling Fluency

  • Familiarity with MCP servers.
  • Function-calling patterns.
  • Understanding of Claude, OpenAI, and Gemini tool conventions.

Clear Written Communication

  • Produces high-quality design documents, ADRs, and review comments.
  • Able to communicate effectively with technical and senior leadership audiences.

Nice-to-Haves

Life Sciences / Regulated Industry Context

  • Understanding of:
  • IHD
  • GxP
  • Consent scope
  • Audit trail requirements

Familiarity with Governance-as-Code Concepts

Knowledge of:

  • Data classification
  • Data lineage
  • FAIR principles

Frontend Competence for Internal Tools

  • Streamlit
  • Gradio
  • React

Ability to create simple interfaces that help make concepts concrete.

Previous Technical Leadership Experience

  • Has served as a Tech Lead, even on a small team.
  • Experience balancing engineering decisions and delivery.

Additional Expectations

  • Profile should be sufficiently hands-on and capable of operating across both technical delivery and strategic advisory activities.
  • Should not be purely innovation or consulting focused.
  • Enterprise GenAI / LLM implementation experience is highly valuable.
  • Ability to provide architecture guidance.
  • Ability to support multiple initiatives and teams in parallel.

Related Knowledge Areas

Data Quality & Governance

  • Information Architecture (DKC)
  • Data Quality
  • Data Lineage
  • AI Data Stewardship
  • Product Backbone
  • Governance Portal
  • Metadata Management
  • Catalog
  • Semantic Data & Ontologies
  • Master Data

Knowledge Areas

  • Governance
  • Information Architecture
  • Lineage
  • Quality
  • FAIR Principles
  • Regulatory and Industry Data Standards
  • Business Context
  • Processes
  • Key Data Flows

Translating Business Needs into Trusted Data Products

Job Details

Company
Excelra
Location
Stevenage, England, United Kingdom
Posted