Principal Blockchain Security Engineer

Mastercard; Rathcoole; On-site; EUR 130,000 - 190,000; Full time

Job summary

Mastercard is seeking a Principal Information Security Engineer to lead security for Crypto Products and Solutions Blockchain Networks. You will shape architecture, drive security-by-design, and partner with engineering, product, and business teams to deliver secure, scalable blockchain services with high availability.

Experience in risk-based security, regulatory frameworks, and mentoring technical staff is essential for this leadership role within Corporate Security.

Qualifications

• 10–15 years in information security with leadership experience.
• Proven ability to drive security architecture and design reviews.
• Experience with risk-based security and regulatory frameworks.

Responsibilities

• Define platform security architecture and long-term strategy for blockchain networks.
• Lead threat modelling, risk assessments, and security design reviews.
• Embed security into CI/CD, APIs, and cloud components.
• Mentor engineers and influence cross-functional stakeholders.
• Collaborate with audit, compliance, and regulatory teams.

Skills

Security leadership

Security architecture

Threat modelling

Risk assessments

Communication

Education

Bachelor's degree in computer science or information security

Tools

CISSP/CISM

Job description

Mastercard is seeking a Principal Information Security Engineer to lead security for Crypto Products and Solutions Blockchain Networks. You will shape architecture, drive security-by-design, and partner with engineering, product, and business teams to deliver secure, scalable blockchain services with high availability.

Experience in risk-based security, regulatory frameworks, and mentoring technical staff is essential for this leadership role within Corporate Security.