Principal Information Security Engineer - Blockchain Technology

Our Purpose

Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, we're helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential.

Principal Information Security Engineer - Blockchain Technology. Who is Mastercard? Mastercard is a global technology company in the payments industry. Our mission is to connect and power an inclusive, digital economy that benefits everyone, everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help individuals, financial institutions, governments, and businesses realize their greatest potential.

Our decency quotient, or DQ, drives our culture and everything we do inside and outside of our company. With connections across more than 210 countries and territories, we are building a sustainable world that unlocks priceless possibilities for all. Mission First, People Always. As Corporate Security, we are responsible for keeping Mastercard safe and secure from cyber and physical threats, and it is our people on the front lines who make this happen every day.

By taking care of our people, their wellbeing, and career development, we provide them the necessary tools and environment to ensure the success of our mission.

Mastercard is seeking a Principal Information Security Engineer to support Mastercard's Crypto Products and Solutions Blockchain Networks platforms. This role is ideal for a security leader who thrives in fast moving, high availability environments and is passionate about building secure, scalable, and resilient payment ecosystems. You will drive the security roadmap for the Crypto Products and Solutions Blockchain Networks program, partnering closely with engineering, product, and global business teams to ensure our blockchain services meet the highest standards of security, compliance, and customer trust.

You will influence architecture, guide security-by-design practices, and help shape the future of Mastercard's international payment capabilities.

As a Principal Information Security Engineer supporting Crypto Products and Solutions Blockchain Networks, you will:

• Influence and implement security requirements, standards, and architectural patterns for large scale, Crypto Products and Solutions Blockchain Networks platforms.
• Define platform level security architecture and drive execution of long term security strategy for Crypto Products and Solutions Blockchain Networks.
• Lead threat modelling, risk assessments, and security design reviews for high velocity, high availability systems.

• Support the design, testing, and implementation of complex security solutions aligned with regulatory, operational, and customer requirements.
• Identify risks and propose compensating controls tailored to blockchain transaction flows and blockchain environments.
• Partner with engineering teams to embed security into CI/CD pipelines, APIs, cloud services, and blockchain processing components.

• Serve as a trusted advisor to engineering and business leaders across Crypto Products and Solutions Blockchain Networks programs.
• Apply deep technical expertise to mentor and develop junior engineers and security practitioners.
• Provide input into performance evaluations for team members and emerging talent.

• Build and maintain strong relationships with business owners, product teams, engineers, project managers, customers, and senior leadership.
• Translate security concepts into actionable guidance for diverse technical and non technical audiences.
• Represent Corporate Security in Crypto Products and Solutions Blockchain Networks initiatives, regulatory discussions, and cross functional working groups.