Senior Cyber Security Engineer: Purple Team & Secure by Design

Company: UK Intelligence Services
Apply for the Senior Cyber Security Engineer: Purple Team & Secure by Design
Location: Manchester
Job Description:

MI5 is seeking a Senior Cyber Security Engineer to protect digital products and embed security into system design. You will work in a collaborative environment, engaging early in the development lifecycle to influence architecture and ensure security is integral to engineering practices.

Responsibilities include threat modelling, vulnerability assessment and security testing, partnering with engineers and stakeholders, and contributing to security maturity across the organisation.

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Posted: July 10th, 2026