Artificial Intelligence Lead

Posted 25 November 2025
LocationCity of London
Job type Contract
Discipline Energy & UtilitiesTechnology

Job description

Artificial Intelligence / LLM Solutions Lead – Energy Company - Contract role

The AI / LLM Solutions Lead will design, build, and operationalise AI capabilities within a major energy company’s Data team. The role focuses on delivering an LLM-based Sales Call Quality Assurance (QA) solution, creating a repeatable AI architecture, and uplifting team capability.

  • Contract role - 3 months rolling

  • Largely remote

  • Outside IR35

Key Responsibilities

  • Evaluate LLM model options and recommend a preferred approach.

  • Tune models and optimise prompts to improve accuracy.

  • Implement continuous monitoring for performance, drift, and cost, with alerting integrated into existing tools.

  • Lead deployment and integration of models into production.

  • Design a scalable, repeatable architecture for multiple AI use cases.

  • Ensure the design supports the Sales QA solution, minimises technical debt, and adapts to future needs.

  • Provide model-strategy recommendations (e.g., one large model vs multiple smaller models with triage).

  • Bring external best practices into the Data AI function.

  • Enable team members to replicate the development approach for future LLM use cases.

Must have experience in the following:

  • Hands-on experience building and deploying LLM or generative AI solutions in production.

  • Strong understanding of model selection, fine-tuning, prompt engineering, and evaluation methods.

  • Python, SQL, dbt, Airflow

  • Understand how to frame prompts, evaluate outputs of LLMs, manage prompts with LangChain

  • Platforms: Snowflake Cortex, AWS Bedrock

  • Evaluate costs / performance advantages of models on Bedrock vs Snowflake, the size of the model, fine-tune smaller models

  • Create logic for summarising calls transcripts, validate QA checklist

  • Build evaluation framework

  • Integrate LLM API to process text at scale via Snowflake Cortex or AWS Bedrock

  • Build APIs on AWS to connect to other systems (slack, excel, kraken)

  • Implement data security and governance practices to work with PII data

If this sounds like an opportunity you are interested in, apply now for an immediate review!