Learn how the SI's unique brand of SE&I can help your organization with architecture definition, requirements analysis, engineering trade studies, technology integration and deployment, configuration management, mission assurance, and risk management.
The SI’s Big Data Analytics solutions blend 40 years of experience in deep analytics with innovative approaches that empower customers to make data-driven decisions. Find out how the SI’s Big Data Predictive Analytics give your business a competitive edge.
We understand the importance of protecting your sensitive information. Find out how we’re applying our SE&I and Cyber Security expertise to improve your defenses against cyber threats.

Cutting Through
the Complexity

An exciting career awaits you. Explore the world of the SI.

GeoSolutions - Anytime, Anywhere

The SI Organization, Inc. (the SI) is a leading provider of full life cycle, mission-focused systems engineering and integration capabilities to the U.S. Intelligence Community, Department of Defense and other agencies.

We have 40 years of experience successfully delivering complex, system-of-systems technology solutions. Our scalable platform for modeling, simulation and analysis helps customers baseline requirements, optimize resources and manage risk.

The SI employs approximately 2,000 people, with major locations in Chantilly, Va.; Valley Forge, Pa.; Laurel, Md.; Denver; Los Angeles; and Basking Ridge, N.J. Find our why our people make the difference.