Senior Security Engineer — Developer Enablement & Threat Modeling

Mastercard; Dunboyne; On-site; EUR 120,000 - 170,000; Full time

Job summary

Mastercard is seeking a Principal Security Engineer to act as a trusted partner for developers, coaching them to integrate security into the development lifecycle. You will scale threat modeling practices and drive governance across Mastercard’s engineering programs.

You combine deep security expertise with strong communication, aiming to make security practical for engineers and architects while fostering collaboration and continuous improvement.

Qualifications

• Proven hands-on threat modeling experience.
• Strong background in secure software design and architecture.
• Experience enabling developers with secure practices.

Responsibilities

• Create scalable threat modeling collateral (blueprints, libraries, templates).
• Evolve threat modeling methodologies and governance practices.
• Develop and deliver learning programs to embed threat modeling in daily work.

Skills

Threat modeling

Secure software design

Developer enablement

Coaching & communication

Job description

Mastercard is seeking a Principal Security Engineer to act as a trusted partner for developers, coaching them to integrate security into the development lifecycle. You will scale threat modeling practices and drive governance across Mastercard’s engineering programs.

You combine deep security expertise with strong communication, aiming to make security practical for engineers and architects while fostering collaboration and continuous improvement.