Senior DevSecOps Engineer – AI Security & Middle Office

Sanderson; Greater London; Hybrid; GBP 90,000 - 120,000; Full time

Job summary

Sanderson seeks a Senior DevSecOps Engineer to secure agentic AI workloads and the middle-office integration in a UK wealth-management context. The role sits within security architecture and engineering, bridging AI enablement, supplier selection, and delivery.

You will shape the evolving provider model and ensure robust security controls across multiple domains. The position requires hands-on cloud security, proficiency with AWS, familiarity with LLM risk controls, and strong threat modelling

Qualifications

• Hands-on security engineering in cloud environments (AWS preferred).
• Engineering-level understanding of LLM and agentic AI risks and controls.

Responsibilities

• Implement agentic AI security controls: identity, delegated authority, audit trails.
• Test defences against prompt injection and unsafe tool usage.
• Design integration security for providers: authentication, encryption, key ownership, logging.
• Ensure data flows meet FCA outsourcing and resilience requirements.
• Deliver security evidence to governance and architecture records.
• Create reusable security patterns for delivery teams.

Skills

AWS security

OAuth2/OIDC

Threat modelling

Python coding

Vendor security

LLM security

Bedrock integration

Tools

Bedrock

Job description

Sanderson seeks a Senior DevSecOps Engineer to secure agentic AI workloads and the middle-office integration in a UK wealth-management context. The role sits within security architecture and engineering, bridging AI enablement, supplier selection, and delivery.

You will shape the evolving provider model and ensure robust security controls across multiple domains. The position requires hands-on cloud security, proficiency with AWS, familiarity with LLM risk controls, and strong threat modelling