Lead Enterprise AI Engineer: Scalable Production Systems

Aviva plc; Greater London; Hybrid; GBP 92,000 - 124,000; Full time

Benefits offered by this job

Bonus opportunity

Generous pension scheme

Private Medical Benefit

Up to 40% discount on Aviva products

Share matching plan

Flexible working

Volunteer days

Job summary

Aviva plc is seeking a Principal Applied AI Engineer to lead the design and delivery of enterprise-grade AI systems. You will influence standards, governance, and engineering practices to scale AI responsibly across the business.

The role spans architecture, tooling, and collaboration with product teams to translate AI opportunities into scalable solutions. You’ll shape the Applied AI Engineering capability, mentor teams, and hire to grow capabilities, while aligning with regulatory and

Qualifications

• Delivering production AI or LLM-powered systems at enterprise scale.
• Expert-level Python engineering and multi-agent architectures.
• Context engineering, retrieval systems and memory architectures.
• Model fine-tuning at scale (PEFT/(Q)LoRA).
• Building end-to-end voice AI pipelines using STT/TTS models.
• Designing evaluation frameworks and operating AI quality controls in production.

Responsibilities

• Leading the architecture and delivery of multi-agent AI systems for high-value business use cases.
• Defining engineering standards across orchestration architectures and memory design.
• Building reusable AI capabilities and enterprise tooling integration.
• Establishing quality, safety and governance standards for production AI systems.
• Providing technical leadership, architecture reviews and mentoring.
• Partnering with business and product teams to translate AI opportunities into scalable solutions.

Skills

Production AI systems

Python engineering

Multi-agent architectures

Context engineering

MCP server & SKILL.md design

Model fine-tuning

Voice AI pipelines

AI quality controls

AI coding agents

AWS cloud architectures

Tools

Kubernetes

Confluence

Job description

Aviva plc is seeking a Principal Applied AI Engineer to lead the design and delivery of enterprise-grade AI systems. You will influence standards, governance, and engineering practices to scale AI responsibly across the business.

The role spans architecture, tooling, and collaboration with product teams to translate AI opportunities into scalable solutions. You’ll shape the Applied AI Engineering capability, mentor teams, and hire to grow capabilities, while aligning with regulatory and