Payment Security Architect & Cryptography Expert

Company: Pay.UK
Apply for the Payment Security Architect & Cryptography Expert
Location: London
Job Description:

Pay.UK is seeking a Payment Security Engineer to apply specialist knowledge in payment security, cryptography and security architecture across UK interbank payment services. You will influence secure design, assurance and resilience within a regulated environment.

You will work across the full lifecycle of payment services, defining cryptographic controls, key management and security requirements, ensuring watershed security across schemes such as Bacs and FPS.

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Posted: October 11th, 2026