Check out this job opportunity with the US Army Corps of Engineers (ACE) hydrology section:

The Vacancy Announcement for the Pathways Student Intern NTE 1 year, STUDENT TRAINEE (ENGINEERING AND ARCHITECTURE), GS-0899-04 or 05 is now open on USAJOBS.

You can check out the job description, requirements, and apply here. The application closes April 5th, 2021.