Senior Security Engineer - Cloud & App Security, AI-Driven

Ronald James Group; Newcastle upon Tyne; Remote; GBP 85,000 - 110,000; Full time

Job summary

Ronald James Group is seeking an experienced Senior Security Engineer to own security across applications, cloud infrastructure, and engineering practices. You will work hands-on to identify vulnerabilities, implement fixes, and strengthen threat detection on a modern, cloud-based platform.

The role emphasizes collaboration with software teams, integration of automated security testing into CI/CD, and use of AI tools to accelerate secure coding and incident response across AWS environments.

Qualifications

• Strong hands-on experience with JavaScript/TypeScript/Node.js in production environments.
• Proven ability to identify, remediate and verify application security vulnerabilities.
• Solid understanding of authentication, authorization, API security and injection risks.

Responsibilities

• Identify, investigate and remediate security vulnerabilities across backend services, APIs, web and mobile apps, and dependencies.
• Use AI tools to investigate code, test security hypotheses and develop verified fixes.
• Strengthen AWS security across IAM, networking, ECS/Lambda, and secrets management.

Skills

JavaScript

TypeScript

Node.js

Tools

Terraform

CloudFormation

Wiz

Job description

Ronald James Group is seeking an experienced Senior Security Engineer to own security across applications, cloud infrastructure, and engineering practices. You will work hands-on to identify vulnerabilities, implement fixes, and strengthen threat detection on a modern, cloud-based platform.

The role emphasizes collaboration with software teams, integration of automated security testing into CI/CD, and use of AI tools to accelerate secure coding and incident response across AWS environments.