AI Security Engineer
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Job Description
AI Security Engineer at Perplexity protecting next-generation AI systems against adversarial threats. Designing and implementing security mechanisms for AI architectures and ensuring robust security protocols.
Responsibilities:
- Define, build, and refine mechanisms to secure AI systems (including self-hosted models, LLM APIs, agents, MCPs, and other core components of the AI stack) against adversarial behavior of all kinds
- Understand technically complex AI systems, identify potential weaknesses in their architecture, and implement improvements
- At least 50% of time performing hands-on remediation. Also working closely with peer engineers to drive remediations
- Plan and carry out threat modeling activities and realistic threat simulations across our offerings
- Conduct cybersecurity evaluations and lead AI security assessments in a cross-functional environment
- Develop initiatives that improve our capabilities to effectively evaluate AI systems and enhance the organization's prevention, detection, response, and threat hunting capabilities
- Provide guidance and education to developers to help deter and prevent threats
Requirements:
- Hands-on coding and prompting experience.
- Bachelor of Science or Master of Science in Computer Science or a related field, or equivalent experience
- Be a technical and process subject matter expert regarding AI security services and attacker tactics, techniques, and procedures
- Good understanding of LLMs, AI architecture patterns, machine learning models, and related technologies such as MCP
- Understanding of application security principles and secure coding practices
- Experience developing and implementing security procedures and policies
- Strong problem-solving, project management, leadership, and communication skills
- Self-motivated with a willingness to take ownership of tasks
- 4+ years of industry experience
Benefits:
- Full-time U.S. employees enjoy a comprehensive benefits program including equity, health, dental, vision, retirement, fitness, commuter and dependent care accounts, and more.
- Full-time employees outside the U.S. enjoy a comprehensive benefits program tailored to their region of residence.
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