Lead AI Architect

Experis; Greater London; On-site; GBP 104,000 - 127,000; Full time

Job summary

Experis is seeking a Lead AI Architect to drive delivery of large-scale AI and Data transformation programmes in security and justice. The role is hands-on leadership, moving AI from proof of concept to secure, scalable production deployments in highly regulated environments.

You will blend deep AI/ML expertise with delivery leadership and stakeholder engagement to design end-to-end AI architectures and roadmaps, ensuring security and governance requirements are met.

Qualifications

• Proven track record delivering enterprise-scale AI/ML solutions into production.
• Strong experience leading technical teams and complex transformation programmes.
• Deep expertise in LLMs, RAG architectures, Prompt Engineering and Generative AI frameworks such as LangChain or LangGraph.
• Hands-on experience with Python, PyTorch, TensorFlow, MLOps/LLMOps and cloud platforms (Azure, AWS or GCP).
• Experience deploying AI solutions within government, defence, healthcare or other high-assurance environments.
• Strong understanding of AI security, governance, ethical AI, model evaluation and risk management.
• Excellent stakeholder management skills with the ability to translate complex technical concepts into business value.

Responsibilities

• Lead end-to-end AI architectures and roadmaps for large-scale transformations.
• Drive production-grade AI deployments in regulated sectors.
• Mentor multidisciplinary teams and engage stakeholders to realize business value.

Skills

AI/ML production

Team leadership

LLMs & RAG

Python & ML frameworks

High-assurance environments

AI security & governance

Stakeholder engagement

Tools

LangChain

LangGraph

PyTorch

TensorFlow

MLOps/LLMOps

Azure

AWS

GCP

Job description

Lead AI Architect

Permanent

Various Locations

Up to 115,000pa

We're seeking a Lead AI Architect to drive the delivery of large-scale AI and Data transformation programmes within the Security & Justice sector. This is a hands-on leadership role focused on taking AI solutions from proof of concept through to secure, scalable, production-grade deployments in highly regulated environments.

The successful candidate will combine deep technical expertise in AI/ML, LLMs, Generative AI and cloud platforms with strong delivery leadership and stakeholder engagement skills. They will be responsible for designing end-to-end AI architectures, leading multidisciplinary teams, shaping technical roadmaps, and ensuring solutions meet stringent security, governance and operational requirements.

Key Experience Required

• Proven track record delivering enterprise-scale AI/ML solutions into production


• Strong experience leading technical teams and complex transformation programmes


• Deep expertise in LLMs, RAG architectures, Prompt Engineering and Generative AI frameworks such as LangChain or LangGraph


• Hands-on experience with Python, PyTorch, TensorFlow, MLOps/LLMOps and cloud platforms (Azure, AWS or GCP)


• Experience deploying AI solutions within government, defence, healthcare or other high-assurance environments


• Strong understanding of AI security, governance, ethical AI, model evaluation and risk management


• Excellent stakeholder management skills with the ability to translate complex technical concepts into business value

Ideal Candidate

A hands-on AI leader who has successfully delivered real-world AI systems at scale, balancing technical architecture, engineering excellence, client engagement and delivery leadership within complex, mission-critical environments.

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