Senior AI Security Engineer: Guardrails & Governance

Simpson Thacher & Bartlett LLP; United States; Hybrid; USD 180,000 - 215,000; Full time

Job summary

Simpson Thacher & Bartlett LLP is seeking a Senior Security Engineer, AI Security to lead the design and execution of the firm's AI security program. You will collaborate with Application Security, Product Development, Technology Architecture, Infrastructure, and AI Enablement teams to deploy AI safely and in alignment with regulatory and risk requirements.

The role focuses on implementing security controls across LLMs, AI copilots, gateways, and platforms like Claude, establishing guardrails,

Qualifications

• 10+ years in security engineering or related cybersecurity roles.
• Hands-on securing AI platforms and AI-enabled apps.
• Familiarity with OWASP Top 10 for AI and risk frameworks.

Responsibilities

• Lead the AI security program's design, implementation, and improvement.
• Develop AI security standards, control frameworks, and governance.
• Secure enterprise AI platforms such as Claude and AI agents.
• Implement identity, access management, encryption, logging, and data protection.
• Build security automation and policy-as-code for scalable operations.
• Support security governance with risk-based monitoring and KPI reporting.

Skills

AI security

Security engineering

Cloud security

Threat modeling

DevSecOps

Education

Bachelor's degree in information security or related field

CISSP

CCSP

Tools

Claude

AI coding assistants

MCP-based integrations

Job description

Simpson Thacher & Bartlett LLP is seeking a Senior Security Engineer, AI Security to lead the design and execution of the firm's AI security program. You will collaborate with Application Security, Product Development, Technology Architecture, Infrastructure, and AI Enablement teams to deploy AI safely and in alignment with regulatory and risk requirements.

The role focuses on implementing security controls across LLMs, AI copilots, gateways, and platforms like Claude, establishing guardrails,