Senior AI Security Engineer – Machine Learning & Infrastructure

Our client is a leading firm at the forefront of AI technology, focusing on securing AI systems including large language models, AI tooling, agents, and supporting infrastructure.

• At least 3 years of experience in systems engineering, security, or related fields.
• Strong understanding of security controls across applications, infrastructure, and platforms.
• Expertise in threat modeling, secure design review, and secure software development practices.
• Knowledge of authentication, authorization, secrets management, and observability practices.
• Experience reviewing third-party SaaS, APIs, and open-source components from a security perspective.
• Ability to collaborate effectively in fast-paced engineering environments with a practical problem-solving approach.
• Interest and curiosity about AI systems, especially security risks associated with LLMs, agents, and complex data workflows.

Nice to have:

• Certifications such as CISSP, CISM, or similar.
• Practical experience with security testing, vendor assessments, or incident response in AI contexts.
• Knowledge of secure development lifecycle methodologies.

• Partner with engineering and platform teams to define and implement security measures for AI and LLM-based systems.
• Perform threat modeling, architecture reviews, and security assessments tailored to AI use cases.
• Design and implement security controls for AI applications, agents, model integrations, and data flows.
• Define secure patterns for access control, secrets management, logging, monitoring, and safe execution.
• Assess risks including prompt injection, data leakage, excessive permissions, and third-party AI dependencies.
• Contribute to reusable security patterns, guidance, and guardrails for teams building AI systems.
• Support security testing, vendor assessments, and incident response related to AI-enabled applications.

Only candidates with an existing legal right to work in the European Union will be considered for this role.