AI/ML Engineer

Closure Technologies; McLean (VA); On-site; USD 120,000 - 150,000; Full time

Job summary

Closure Technologies, located in McLean, Virginia, is looking for an AI/ML Engineer to implement and maintain Retrieval-Augmented Generation (RAG) pipelines, integrate Large Language Models (LLMs), and develop RESTful APIs. The role requires experience in AI/ML development and a strong proficiency in Python, alongside an active TS/SCI clearance with polygraph.

Candidates must have at least 8 years of experience with a Bachelor's degree, or 7 years with a Master’s degree, or 6 years with a Doctorate. This position demands onsite full-time work.

Qualifications

• 8+ years of experience in AI/ML with a Bachelor’s, 7 years with a Master’s, or 6 years with a Doctorate.
• Strong proficiency in designing AI/ML applications and frameworks.
• Active TS/SCI clearance with polygraph.

Responsibilities

• Implement and maintain Retrieval-Augmented Generation (RAG) pipelines for document processing.
• Integrate Large Language Models (LLMs) into applications.
• Develop RESTful APIs and enhance Postgres database schemas.

Skills

Python

AI/ML libraries

REST API integrations

Data logging and performance optimization

Education

Bachelor’s degree or higher

Tools

Postgres

AWS

Docker

Job description

Closure Technologies is seeking an AI/ML Engineer to implement and maintain Retrieval-Augmented Generation (RAG) pipelines, integrate Large Language Models (LLMs) into applications, develop APIs, and optimize data storage through Postgres schema refinement.

Clearance Requirement: TS/SCI with Polygraph

Key Responsibilities

• Implement and maintain RAG pipelines, including document processing, embedding generation, retrieval configuration, and prompt assembly.
• Integrate LLMs into applications using available APIs and frameworks.
• Develop and maintain REST API interactions to support data retrieval and system integration.
• Design or refine Postgres schemas to improve data organization and query performance.

Required Qualifications

• Demonstrated ability to conduct independent technical research, evaluate emerging AI/ML approaches, and apply advanced analytical problem-solving comparable to PhD-level research environments.
• Ability to rapidly learn and apply new AI/ML methodologies, tools, and frameworks in support of evolving mission requirements.
• Experience developing AI/ML applications focused on Retrieval-Augmented Generation (RAG), semantic retrieval, LLM integration, or related AI workflows.
• Strong proficiency in Python and modern AI/ML libraries, frameworks, and API integrations.
• Active/current TS/SCI with required polygraph.
• Willingness to work onsite full time.
• Senior Labor Category: Minimum 8 years of experience with a Bachelor’s degree; or 7 years of experience with a Master’s degree; or 6 years of experience with a Doctorate.

Preferred Qualifications

• Advanced research experience in machine learning, deep learning, natural language processing, generative AI, reinforcement learning, computer vision, or related disciplines.
• Experience publishing research, contributing to open-source AI/ML initiatives, or leading experimental and prototype development efforts.
• Familiarity with model evaluation frameworks, fine‑tuning workflows, inference optimization, and AI observability/monitoring tools.
• Experience with vector databases, AWS/cloud environments, Docker, and containerized AI/ML development workflows.
• Experience designing and integrating REST APIs and scalable data architectures.

As set forth in Closure Technologies’s Equal Employment Opportunity policy, we do not discriminate on the basis of any protected group status under any applicable law.