Principal Information Security Engineer – Blockchain Technology

About the role

Mastercard is looking for a Principal Information Security Engineer to lead the security strategy for its Crypto Products and Solutions Blockchain Networks platforms. In this senior position you will partner with engineering, product and global business teams to ensure that blockchain services meet the highest standards of security, compliance and customer trust.

Key responsibilities

• Define and implement security requirements, standards and architectural patterns for large‑scale blockchain platforms.
• Shape the long‑term security architecture and roadmap for Crypto Products and Solutions.
• Lead threat‑modeling, risk‑assessment and security design‑review activities for high‑velocity, high‑availability systems.
• Collaborate with product and engineering teams to embed security‑by‑design practices throughout the development lifecycle.
• Provide guidance on compliance, governance and incident‑response for blockchain services.

Required profile

• Proven security leadership experience in fast‑moving, high‑availability environments.
• Deep understanding of blockchain, cryptographic protocols and payment ecosystems.
• Strong ability to influence architecture and drive security strategy across global teams.
• Excellent communication skills to convey complex security concepts to technical and non‑technical stakeholders.

Required skills

• Security Architecture
• Threat Modeling
• Risk Assessment
• Security Design Review
• Blockchain platforms
• Cryptography