Senior Security Engineer (AI Red Team & AI-Assisted Penetration Testing)

About the Role

Location: Portugal, Lisboa (Hybrid: Remote/Office)

Company: Siemens Energy Unipessoal Lda.

Department: EVP Global Functions, Cybersecurity

Employment: Full-time, Manager / Team Leader level

A Snapshot of Your Day

In this role, you will perform advanced red team and penetration testing with a strong focus on AI-enabled and AI-targeting techniques. You will assess both classical IT/OT environments and AI-driven systems, validate and scale AI-assisted security tooling, and identify real-world risks across models, pipelines, and applications. By combining deep manual testing with responsible AI adoption, you will help teams understand, mitigate, and securely deploy AI technologies in an international environment.

How You’ll Make an Impact

• Assess IT/OT infrastructures, products and services using red team and pe...