AI/ML Engineer: LLMs, RAG & GovCloud Orchestration

S27a; Washington, Northern (District of Columbia, KY); Hybrid; USD 130,000 - 170,000; Full time

Job summary

S27a in Washington, DC is seeking an AI/ML Engineer to advance mission-critical government initiatives and help build secure, scalable AI infrastructure. You will leverage LLMs, RAG, and multi-agent orchestration to deliver production-ready ML systems that meet strict security standards.

Work with cross-functional teams to design, implement, and deploy AI solutions across cloud environments, including GovCloud, Vertex AI, and Bedrock, while documenting decisions for technical and non-technical

Qualifications

• Proficiency in Python for AI/ML development, including REST APIs and SDK integration.
• Hands-on experience with LLMs, RAG systems, and prompt engineering in production environments.
• Familiarity with multi-agent orchestration, tool use, and frameworks like LangGraph and LangChain.
• Deep understanding of cloud AI services (AWS GovCloud, Google GovCloud, Azure IL5+, Vertex AI, AWS Bedrock).
• Background in building and maintaining data pipelines, ontologies, metadata catalogs, and ETL processes.
• Strong grasp of secure coding and modern DevOps practices (CI/CD pipelines).

Responsibilities

• Design, implement, and optimize AI/ML models particularly leveraging LLMs, RAG, and prompt engineering for production grade applications.
• Develop and orchestrate multi-agent systems using frameworks such as LangGraph and LangChain.
• Integrate and deploy solutions on secure cloud environments, including AWS GovCloud, Google GovCloud, Azure IL5+, Vertex AI, and AWS Bedrock.
• Build robust data pipelines, manage ETL processes, and develop metadata catalogs and ontologies to ensure high-quality data for AI training and inference.
• Create and maintain REST APIs and SDK integrations to facilitate seamless data and model interactions.
• Collaborate with product, security, and engineering teams to ensure best-in-class delivery, following secure coding and DevOps best practices (CI/CD).
• Document technical decisions and communicate complex concepts clearly to both technical and non-technical stakeholders.

Skills

Python

LLMs

RAG

AWS

Tools

LangGraph

LangChain

AWS GovCloud

Vertex AI

GCP GovCloud

Job description

S27a in Washington, DC is seeking an AI/ML Engineer to advance mission-critical government initiatives and help build secure, scalable AI infrastructure. You will leverage LLMs, RAG, and multi-agent orchestration to deliver production-ready ML systems that meet strict security standards.

Work with cross-functional teams to design, implement, and deploy AI solutions across cloud environments, including GovCloud, Vertex AI, and Bedrock, while documenting decisions for technical and non-technical