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AI/ML Engineer - McLean

$165k - $242k
Full-time

Vantor

Salary: $165,000 - 242,000 per year Requirements:

  • We require a bachelors degree in computer science or a closely related field.
  • We require senior-level experience: 8 years with a bachelors degree, 7 years with a masters degree, or 6 years with a doctorate.
  • We require an active TS/SCI security clearance with polygraph.
  • We require U.S. citizenship and eligibility under U.S. export control rules, where applicable.
  • We require a willingness to work onsite full time.
  • We require strong Python skills and familiarity with common data and AI libraries.
  • We require experience building AI/ML applications, including LLM-integrated solutions, RAG workflows, or comparable retrieval-based systems.
  • We require experience with agent-based programming, AI frameworks, and tool-driven LLM application development.
  • We require a solid grasp of core AI/ML concepts, including transformers, algorithms, LLM behavior, data preparation, and model integration patterns.
  • We require experience designing, building, or integrating REST APIs for data retrieval, processing, or system-to-system communication.
  • We require familiarity with production-grade development practices, including reliability, maintainability, testing, and deployment considerations.
Responsibilities:
  • We develop, implement, and support AI/ML-enabled applications with emphasis on agent-based workflows, LLM integration, and retrieval-augmented generation.
  • We design and maintain agent-based architectures, including orchestration logic, tool usage, memory handling, and connections to external systems.
  • We build and sustain RAG pipelines, covering document ingestion, embedding creation, retrieval setup, prompt assembly, and response tuning.
  • We integrate LLMs into applications using APIs, AI frameworks, and emerging protocols such as MCP.
  • We develop and maintain REST APIs, especially Python-based services, to enable data access, system integration, agent workflows, and application features.
  • We contribute to full-stack development of production-ready AI solutions, including backend services, user-facing elements, and enterprise deployment needs.
  • We process, transform, and organize structured and unstructured data to support AI/ML workflows, model interactions, and application performance.
  • We design or improve Postgres schemas and data models to strengthen data organization, query efficiency, and scalability.
  • We optimize AI-enabled applications for performance, reliability, usability, and long-term maintainability in enterprise settings.
Technologies:
  • AI
  • Backend
  • Support
  • LLM
  • MCP
  • Python
  • RAG
  • REST
  • Security
  • AI Agents
  • API
  • AWS
  • Cloud
  • Docker
  • Embedding Models
  • FastAPI
  • Flask
  • Frontend

More:

We are Vantor, building the new frontier of spatial intelligence to help decision makers and operators understand what is happening now and anticipate what comes next. We offer a mission-driven environment for problem solvers, changemakers, and go-getters who want to shape their future, build meaningful technology, and make an impact. This senior role is onsite full time and requires U.S. citizenship plus an active TS/SCI clearance with polygraph. We are offering a base salary in the Washington, DC metropolitan area of $165,000 to $242,000 annually, with eligibility for up to a $15,000 sign-on bonus. Our total rewards package includes a competitive 401(k) match, mental health resources, student loan repayment assistance, adoption reimbursement, and pet insurance. We are an equal opportunity employer committed to an inclusive workplace where all qualified applicants receive consideration without regard to protected characteristics.

last updated 33 week of 2026

Vacancy posted 3 days ago
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