Senior AI Architect: Enterprise LLM & MLOps Leader

Harvey Nash Plc; United Kingdom; On-site; GBP 77,000 - 94,000; Full time

Job summary

Harvey Nash Plc in the United Kingdom is seeking an experienced AI Architect to design and deliver enterprise-scale AI solutions across data, platforms, and deployment.

You will work on Generative AI, agentic AI and LLMs, guiding client engagements from discovery to delivery, while shaping architectural standards and governance.

This senior consulting role combines hands-on technical work with strategic influence to advance AI practice across multiple industries.

Qualifications

• Proven experience in AI Architecture or AI Engineering delivering AI solutions into production.
• Deep understanding of Large Language Models, agent frameworks, orchestration patterns, and API-driven architectures.
• Strong cloud platform and modern software engineering experience.
• Hands-on expertise in MLOps/LLMOps, including deployment automation, monitoring, evaluation, and optimisation.

Responsibilities

• Architect end-to-end AI and LLM solutions spanning data, platforms, integrations, infrastructure, and deployment.
• Design agentic and multi-agent AI architectures, defining how models, tools, APIs, and retrieval mechanisms work together.
• Support client engagements from discovery and solution design through to implementation and delivery.
• Provide technical governance and oversight across multiple AI initiatives.
• Define approaches for prompting, RAG, fine-tuning, evaluation, and AI guardrails.
• Establish MLOps and LLMOps capabilities to ensure solutions are scalable, observable, secure, and production-ready.
• Create architectural standards, reusable frameworks, and best practices across the AI practice.
• Embed responsible AI principles, governance, security, and risk management into solution designs.

Skills

AI Architecture

LLM Architecture

Cloud platforms

MLOps

LLMOps

Python

Solution design

Stakeholder management

Governance

Job description

Harvey Nash Plc in the United Kingdom is seeking an experienced AI Architect to design and deliver enterprise-scale AI solutions across data, platforms, and deployment.

You will work on Generative AI, agentic AI and LLMs, guiding client engagements from discovery to delivery, while shaping architectural standards and governance.

This senior consulting role combines hands-on technical work with strategic influence to advance AI practice across multiple industries.