Principal AI/ML Data Scientist, Systems Architect (TS/SCI)

The MIL Corporation; Reston (VA); On-site; USD 190,000 - 245,000; Full time

Job summary

The MIL Corporation seeks a senior Principal AI/ML Data Scientist to lead enterprise-scale data platforms powering Agentic AI initiatives in Reston, VA. You will architect data ecosystems supporting vector search, RAG, and LLM applications, collaborating across security, software engineering, and mission stakeholders.

Applicants must have deep experience delivering AI/ML platforms in complex enterprises, with Top Secret/SCI with CI Poly clearance.

Qualifications

• 20+ years of progressive experience in software engineering, data engineering, distributed systems, cloud architecture, or AI/ML platform development.
• Proven experience designing and delivering enterprise-scale AI, machine learning, generative AI, or Agentic AI solutions.
• Experience implementing vector databases, embedding pipelines, retrieval systems, and Retrieval-Augmented Generation architectures.

Responsibilities

• Architect, build, and maintain enterprise-scale data platforms supporting vector databases, semantic search, Retrieval-Augmented Generation (RAG), Agentic AI systems, and large language model applications.
• Establish and implement controls for data quality, lineage, source attribution, prompt and context traceability, explainability, and evaluation of AI system outputs.
• Establish and implement controls for data quality, lineage, source attribution, prompt and context traceability, explainability, and evaluation of AI system outputs.
• Lead architectural decision-making for AI-supporting data infrastructure, balancing performance, scalability, security, reliability, maintainability, and cost considerations.
• Partner with Data Scientists, Machine Learning Engineers, Architects, Cybersecurity teams, and Software Engineers to translate AI requirements into production-grade capabilities.
• Translate highly technical AI, machine learning, and data architecture concepts into clear operational impacts, risks, opportunities, and implementation considerations for senior leadership.
• Coordinate with stakeholders across multiple organizations to align AI initiatives, maximize reuse of enterprise capabilities, and eliminate duplication of effort.
• Implement monitoring, observability, and alerting to ensure reliability, performance, and continuous improvement of AI-supporting data platforms.
• Provide technical leadership and mentorship to engineers while promoting engineering best practices and innovation across the organization.
• Assess emerging AI technologies, vector database platforms, retrieval frameworks, and engineering approaches to improve organizational AI capabilities.

Skills

Python

SQL

Cloud platforms

Vector databases

Embedding pipelines

Retrieval-Augmented Generation

CI/CD tooling

Observability

Data pipelines

Distributed systems

MLOps

Leadership

Communication

Education

BA/BS or equivalent

Tools

CI/CD tooling

Job description

The MIL Corporation seeks a senior Principal AI/ML Data Scientist to lead enterprise-scale data platforms powering Agentic AI initiatives in Reston, VA. You will architect data ecosystems supporting vector search, RAG, and LLM applications, collaborating across security, software engineering, and mission stakeholders.

Applicants must have deep experience delivering AI/ML platforms in complex enterprises, with Top Secret/SCI with CI Poly clearance.