Product Security Engineer: Threat Modeling & Red Team

Renesas Electronics; Portugal; On-site; EUR 65,000 - 85,000; Full time

Job summary

Renesas Electronics is looking for a Senior Product Security Engineer in Portugal to enhance its Product Security capabilities. This role focuses on continuous vulnerability discovery and prevention through security regression testing and threat modeling.

The ideal candidate will have a strong background in application security with 5+ years of experience, a Bachelor’s degree, and deep knowledge of OWASP Top 10 risks. This position encourages collaboration across teams to support secure design practices.

Qualifications

• 5+ years in Application/Product Security.
• Deep understanding of OWASP Top 10.
• Experience with manual penetration testing and security regression testing.

Responsibilities

• Design and maintain security regression test suites covering critical application flows.
• Lead structured threat modeling sessions for existing system components and new features.
• Perform manual and automated security testing simulating real attacker behavior.

Skills

Web application security testing

API security

Threat modeling methodologies

Business logic vulnerability identification

Education

Bachelor's Degree or equivalent work experience

Tools

Manual penetration testing

Security regression testing

CI/CD security integration

Job description

Renesas Electronics is looking for a Senior Product Security Engineer in Portugal to enhance its Product Security capabilities. This role focuses on continuous vulnerability discovery and prevention through security regression testing and threat modeling.

The ideal candidate will have a strong background in application security with 5+ years of experience, a Bachelor’s degree, and deep knowledge of OWASP Top 10 risks. This position encourages collaboration across teams to support secure design practices.