Senior Security Engineer, Platforms & AI

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Security Engineer, Platforms & AI based in Brazil.

• This is a senior, hands-on security engineering role focused on protecting production AI systems and the infrastructure that supports them.
• You will own the technical security posture across cloud infrastructure, APIs, CI/CD pipelines, applications, and AI-powered agents.
• The role combines platform security, vulnerability management, offensive security, monitoring, and incident response.
• You will also develop practical defenses against prompt injection, adversarial inputs, unsafe agent behavior, and data leakage.
• Working remotely with engineering teams and clients across Latin America, you will operate directly inside real production environments.
• The position offers significant technical ownership, exposure to modern AI tooling, and the opportunity to establish security controls that scale with rapidly evolving systems.
• Success in this role requires strong engineering fundamentals, sound security judgment, and the ability to communicate directly with both technical teams and clients.