AI/ML Engineer (TS/SCI Poly) – Herndon

Cornerstone Defense; Herndon (VA); On-site; USD 140,000 - 190,000; Full time

Job summary

Cornerstone Defense in Herndon, VA is seeking an AI/ML Engineer to design and implement scalable AI/ML-powered web services and data-driven mission analytics. You will join a cross-functional team of software engineers, data scientists, and ETL specialists to build ingest pipelines, search infrastructure, and production-grade components that handle petabyte-scale data.

This hands-on role requires strong backend and frontend skills, AWS, Linux expertise, and a proven track record delivering

Qualifications

• 4–6 years backend development; proficient in Python and Java.

Responsibilities

• Integrate AI/ML into production web applications.
• Develop and test scalable data-driven services.
• Collaborate with data scientists and developers.
• Design ingest pipelines and text extraction services.
• Ensure security and performance of systems.

Skills

Python

Java

Angular

AWS

Linux

Shell scripting

SQL

NoSQL

ETL pipelines

Microservices

Docker

Elasticsearch

Solr

OpenSearch

Agile

GitHub

Jira/Confluence

Tools

Docker

Podman

OpenSearch

Elasticsearch

Job description

Cornerstone Defense in Herndon, VA is seeking an AI/ML Engineer to design and implement scalable AI/ML-powered web services and data-driven mission analytics. You will join a cross-functional team of software engineers, data scientists, and ETL specialists to build ingest pipelines, search infrastructure, and production-grade components that handle petabyte-scale data.

This hands-on role requires strong backend and frontend skills, AWS, Linux expertise, and a proven track record delivering