Senior Security Engineer, Developer Enablement

Mastercard; Greystones; On-site; EUR 120,000 - 180,000; Full time

Job summary

The Principal Security Engineer at Mastercard serves as a trusted advisor to developers, providing hands-on support, coaching, and real-time guidance to integrate security into the development lifecycle. The role emphasizes making security practical and accessible while driving collaboration and strong developer experience across teams.

It focuses on shaping threat modeling education, governance, and practical security practices at scale, partnering with engineering groups to embed security into

Responsibilities

• Creating scalable, developer-friendly threat modeling collateral such as blueprints, threat libraries, and templates
• Implementing and evolving threat modeling methodologies
• Establishing review and governance practices that support consistent, high-quality outcomes
• Designing and delivering formal learning and enablement programs that help engineers and architects confidently apply threat modeling in their day-to-day work

Job description

The Principal Security Engineer at Mastercard serves as a trusted advisor to developers, providing hands-on support, coaching, and real-time guidance to integrate security into the development lifecycle. The role emphasizes making security practical and accessible while driving collaboration and strong developer experience across teams.

It focuses on shaping threat modeling education, governance, and practical security practices at scale, partnering with engineering groups to embed security into