U.S. flag

An official website of the United States government

Government Website

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Safely connect using HTTPS

Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.


  1. Home
  2. Topics
  3. Science and Technology
  4. About S&T
  5. Organization
  6. Office of Science and Engineering

Office of Science & Engineering

Scientist preparing nano-microscopeThe Office of Science & Engineering (OSE) plays a central role within DHS S&T by providing technical expertise, enduring research, analysis, and knowledge products and services to customers across the Homeland Security Enterprise (HSE). OSE's contributions strengthen mission outcomes by optimizing decision making, advancing science, enabling technical development, and enhancing acquisition effectiveness for HSE customers.

OSE helps increase operational capabilities in the field, decrease Departmental acquisition risks, and provide leadership the analysis and tools they need to make better-informed decisions. OSE is making valuable contributions with products and services that deliver game-changing mission impact to our customers.

OSE's five divisions provide support both within S&T and across the HSE.

Last Updated: 10/24/2023
Was this page helpful?
This page was not helpful because the content