Developer-Enablement Security Engineer (Threat Modeling)

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

Job summary

Mastercard is seeking a Principal Security Engineer to act as a trusted advisor to developers, embedding security into the software development lifecycle. You will lead threat modelling initiatives, craft scalable collateral, and advance governance across engineering teams to deliver secure software at scale.

Your deep hands-on experience with threat modelling and secure software design, combined with strong coaching and communication skills, will help engineers adopt practical,

Qualifications

• Senior security practitioner with hands-on threat modelling experience.
• Experience at scale and ability to influence across multiple teams.
• Ability to partner with developers and architects to embed security into products.

Responsibilities

• Create scalable, developer-friendly threat modelling collateral such as blueprints, threat libraries, and templates.
• Implement and evolve threat modelling methodologies across projects.
• Establish governance practices that ensure consistent, high-quality security outcomes.
• Design and deliver formal learning and enablement programs to help engineers apply threat modelling in daily work.

Skills

Threat modelling

Secure software design

Developer enablement

Security leadership

Coaching & mentoring

Communication skills

Job description

Mastercard is seeking a Principal Security Engineer to act as a trusted advisor to developers, embedding security into the software development lifecycle. You will lead threat modelling initiatives, craft scalable collateral, and advance governance across engineering teams to deliver secure software at scale.

Your deep hands-on experience with threat modelling and secure software design, combined with strong coaching and communication skills, will help engineers adopt practical,