Senior Security Engineer – Remote (Europe) for Post-Quantum Crypto

Company: Castleisland
Apply for the Senior Security Engineer – Remote (Europe) for Post-Quantum Crypto
Location:
Job Description:

Castleisland is searching for a Senior Security Engineer to oversee the product and platform security across Project Eleven. This role offers high ownership and broad scope, focusing on shaping threat models and ensuring compliance. You’ll collaborate closely with engineering teams to enhance security practices.

This position is full-time and fully remote, catering to candidates within Europe. Successful applicants should possess over 5 years in security engineering and a robust understanding of applied cryptography and cloud security.

#J-18808-Ljbffr…

Posted: June 15th, 2026