Principal AI Security Architect - Threats & Defenses

Waters Corporation; Milford (MA); On-site; USD 180,000 - 240,000; Full time

Job summary

Waters Corporation is seeking a Principal AI Security Analyst to lead the security review of AI/ML systems and manage our AI security toolchain. You will identify threats unique to large-scale models and build frameworks keeping our AI infrastructure resilient against adversarial attacks.

This high-visibility role shapes Waters' AI risk strategy, partnering with ML engineering, platform, and product teams to embed security from design through production.

Qualifications

• 8+ years in cybersecurity with 3+ years focused on AI/ML security.
• Hands-on experience with Palo Alto Networks AIRS or AI Access Security
• Deep understanding of LLM architectures and common vulnerability classes
• Proficiency in Python; ability to review model code and ML pipelines
• Experience with threat modeling frameworks (STRIDE, PASTA, or similar)
• Track record driving cross-functional security programs at scale
• Cloud-native environment experience (AWS, GCP, or Azure)

Responsibilities

• Own end-to-end threat modeling for AI and ML systems, including LLMs, training pipelines, and inference infrastructure.
• Administer and tune Palo Alto Networks AIRS to detect and block adversarial inputs, prompt injection, and model abuse in real time.
• Manage AI Access Security policies to govern employee use of third-party AI applications — enforcing DLP, acceptable-use rules, and shadow-AI visibility.
• Integrate an AI gateway layer to apply rate limiting, access controls, and observability across LLM API traffic.
• Research and operationalize defenses against adversarial attacks — model extraction, data poisoning, jailbreaking, and membership inference.
• Lead red-team exercises targeting AI systems and synthesize findings into actionable security roadmaps.
• Define and maintain security standards, policies, and controls specific to AI model development and deployment.
• Partner with ML engineering, platform, and product teams to embed security requirements from design through production.
• Evaluate third-party AI tools, APIs, and vendors for supply-chain and data-handling risk.
• Work with other security team members in AI governance discussions, including compliance with EU AI Act and NIST AI RMF.
• Mentor other team members; set technical direction for the AI security practice.

Skills

AI/ML security

Python

Threat modeling

Cloud platforms

Security leadership

Tools

Palo Alto AIRS

AI gateway tools

Kong AI

Job description

Waters Corporation is seeking a Principal AI Security Analyst to lead the security review of AI/ML systems and manage our AI security toolchain. You will identify threats unique to large-scale models and build frameworks keeping our AI infrastructure resilient against adversarial attacks.

This high-visibility role shapes Waters' AI risk strategy, partnering with ML engineering, platform, and product teams to embed security from design through production.