Senior Security Engineer, Developer-Centric Threat Modeling

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

Job summary

Mastercard seeks a Principal Security Engineer to lead developer-focused security initiatives. You will partner with engineers to integrate threat modeling into the development lifecycle, driving practical, scalable security practices across the organisation.

As a senior security leader, you will blend hands-on expertise with program leadership, shaping how threat modeling is taught, reviewed, and governed to empower developers and accelerate secure delivery.

Qualifications

• Senior security practitioner with hands-on threat modeling experience.
• Strong ability to coach engineers and architects in secure design.

Responsibilities

• Create scalable threat modeling collateral (blueprints, libraries, templates).
• Implement and evolve threat modeling methodologies.
• Establish governance practices for consistent, high-quality outcomes.
• Design and deliver formal learning programs to enable engineers in threat modeling.

Skills

Threat modeling

Secure software design

Developer enablement

Coaching and mentoring

Job description

Mastercard seeks a Principal Security Engineer to lead developer-focused security initiatives. You will partner with engineers to integrate threat modeling into the development lifecycle, driving practical, scalable security practices across the organisation.

As a senior security leader, you will blend hands-on expertise with program leadership, shaping how threat modeling is taught, reviewed, and governed to empower developers and accelerate secure delivery.