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

Castleisland; United Kingdom; On-site; GBP 70,000 - 90,000; Full time

Job summary

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.

Qualifications

• 5+ years in security engineering with ownership of production security programs.
• Experience securing systems with durability and regulatory compliance.
• Strong knowledge in applied cryptography including key management.
• Hands-on experience with cloud security, particularly with AWS.

Responsibilities

• Own the security posture of the institutional product end-to-end.
• Partner with engineering on secure design across backend systems.
• Establish and manage the application security program.
• Develop the incident response capability and manage vulnerabilities.

Skills

Security engineering

Applied cryptography

Cloud security (AWS)

Threat modeling

Compliance (SOC 2, ISO 27001)

Incident response

Team collaboration

English communication

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.