Defense AI Engineer: LLMs, Vectors & Cloud ML

Phase2 Technology; Arlington (VA); On-site; USD 77,600 - 176,000; Full time

Job summary

Phase2 Technology in Arlington, VA is seeking an AI Engineer to design, train, and deploy ML models across enterprise and defense-oriented projects. You will work with ML engineers, architects, and stakeholders to build agentic solutions that scale on legacy and modern systems.

The role emphasizes practical ML deployment, familiarity with LLMs, embeddings, and APIs, and collaboration across teams. A Bachelor's degree and security clearance are required, with opportunities to grow in a

Qualifications

• 2+ years of ML engineering in software or data roles.
• Experience building AI-enabled features using LLMs, embeddings, or APIs.
• Familiarity with LangChain or LlamaIndex.
• Proficiency in Python, containers, and CI/CD.
• Experience with cloud AI services (AWS/Azure/GCP).
• Experience with vector databases like OpenSearch or Weaviate.
• Experience building backend services and RESTful APIs.
• Ability to follow code reviews and document work.

Responsibilities

• Develop, train, test, deploy ML models across platforms.
• Collaborate with architects, engineers, and stakeholders to deliver solutions.
• Advance ML strategy for Global Defense and enterprise contexts.
• Maintain and improve AI-enabled features and tooling.

Skills

ML engineering experience

LLMs / embeddings

Prompt engineering

Python

Cloud platforms (AWS/Azure/GCP)

Education

Bachelor's degree

Master's degree preferred

Tools

LangChain / LlamaIndex

OpenAI / Anthropic APIs

Docker

RESTful APIs

Vector DB (OpenSearch / Weaviate)

Job description

Phase2 Technology in Arlington, VA is seeking an AI Engineer to design, train, and deploy ML models across enterprise and defense-oriented projects. You will work with ML engineers, architects, and stakeholders to build agentic solutions that scale on legacy and modern systems.

The role emphasizes practical ML deployment, familiarity with LLMs, embeddings, and APIs, and collaboration across teams. A Bachelor's degree and security clearance are required, with opportunities to grow in a