Senior AI Engineer: Enterprise Gen AI & Automation

Simpson Thacher & Bartlett; New York (NY); On-site; USD 175,000 - 200,000; Full time

Job summary

Simpson Thacher & Bartlett LLP is seeking a Senior AI Engineer to design, build, and operate enterprise-scale Generative AI solutions for the Infrastructure Automation & Orchestration team. You will work at the intersection of LLM-based application engineering and secure integration with enterprise systems in a hybrid New York, NY setting.

The role emphasizes RAG, agentic workflows, MCP frameworks, and secure cloud-native deployments, with a base salary range of $175,000 to $200,000 per

Qualifications

• 5–8 years in software or AI engineering.
• 2+ years deploying Generative AI in enterprise environments.
• Strong Python and modern software development practices.

Responsibilities

• Design, develop, and deploy enterprise Generative AI solutions using both commercial and open-source foundation models.
• Build and maintain AI agents, agent orchestration frameworks, and multi-agent systems to automate complex business processes.
• Develop Retrieval-Augmented Generation (RAG) architectures using enterprise knowledge repositories and data sources.
• Create custom AI tools, hooks, skills, and integrations to extend agent capabilities.

Skills

Strong Python

AI engineering

Enterprise AI

Analytical thinking

Communication skills

Education

Bachelor’s degree

Tools

Claude Code

Anthropic APIs

MCP servers

Azure AI Foundry

Azure OpenAI Service

Azure AI Search

Vector databases

Semantic search

Document retrieval

Job description

Simpson Thacher & Bartlett LLP is seeking a Senior AI Engineer to design, build, and operate enterprise-scale Generative AI solutions for the Infrastructure Automation & Orchestration team. You will work at the intersection of LLM-based application engineering and secure integration with enterprise systems in a hybrid New York, NY setting.

The role emphasizes RAG, agentic workflows, MCP frameworks, and secure cloud-native deployments, with a base salary range of $175,000 to $200,000 per