AI/ML Engineer

About this role

Closure Technologies is seeking a AI/ML Engineer who will Implement and maintain Retrieval-Augmented Generation (RAG) pipelines and integrate Large Language Models (LLMs) into applications, supported by API development and optimizing 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.

• US citizenship required.

• Senior Labor Category: Minimum 8 years of experience with a Bachelor’s degree; or 7 years of experience with a Masters 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.