Senior AI Architect for Enterprise Multi-Agent Systems

Aviva; United Kingdom; Hybrid; GBP 92,000 - 124,000; Full time

Benefits offered by this job

Bonus

Pension

Holiday

Private medical

Product discounts

Share plan

Volunteer days

Cycle to work

Parental leave

Carer’s leave

Flexible benefits

Job summary

Aviva in the UK is seeking a Principal Applied AI Engineer to lead the design and delivery of high-value AI solutions at enterprise scale. You’ll shape standards, governance and engineering capabilities for AI at scale across the business.

You’ll own multi-agent AI system architectures, define orchestration and memory designs, and mentor teams while partnering with business, product and architecture functions to translate opportunities into scalable, compliant solutions in financial services.

Qualifications

• Deliver production AI or LLM-powered systems at enterprise scale.
• Experience with multi-agent architectures and orchestration frameworks.
• Strong knowledge of context engineering and memory architectures.
• Model fine-tuning at scale (PEFT/QLoRA) and end-to-end AI pipelines.
• Experience with AWS-based cloud architectures and production governance.

Responsibilities

• Lead architecture and delivery of multi-agent AI systems for high-value use cases.
• Define engineering standards across orchestration, memory and integration.
• Build reusable AI capabilities and enterprise tooling.
• Establish quality, safety and governance standards for production AI.
• Provide technical leadership, architecture reviews and mentoring.
• Partner with business, product and architecture teams to translate AI opportunities into scalable solutions.
• Grow Applied AI Engineering capability through hiring and coaching.

Skills

Production AI systems

LLM-powered systems

Multi-agent architectures

Context engineering

Memory architectures

MCP servers

Model fine-tuning

Voice AI pipelines

AI quality controls

AWS cloud architectures

Technical leadership

Tools

MCP servers

Skill.md design

Orchestration frameworks

Job description

Aviva in the UK is seeking a Principal Applied AI Engineer to lead the design and delivery of high-value AI solutions at enterprise scale. You’ll shape standards, governance and engineering capabilities for AI at scale across the business.

You’ll own multi-agent AI system architectures, define orchestration and memory designs, and mentor teams while partnering with business, product and architecture functions to translate opportunities into scalable, compliant solutions in financial services.