When you launch a satellite, you get one shot. Count on the SI to bring the entire mission thread to life: from assets in space to the end user on the ground.

PhaseOne adds refined strategic communications, targeted messaging expertise, and a high-value methodology for understanding target audiences to the SI’s system acquisition and intelligence operations capabilities.

In support of the White House's Summer Jobs+ initiative, the SI has committed to hire more than 100 young people in 2012 for full-time entry-level, internship and co-op positions.

Upcoming Events

Come visit the SI at job fairs, tech expos and conferences.

Career Opportunities

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

Contact Us

We welcome your questions and feedback.

  • Our Story

    Our Story

    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.

  • Our Work

    Our Work

    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.

  • Our People

    Our People

    The SI employs more than 2,100 people, with major locations in Chantilly, Va.; Denver; Laurel, Md.; Los Angeles; and Valley Forge, Pa. Find our why our people make the difference.