I applied online. The process took 3 weeks. I interviewed at CH2M (Atlanta, GA) in Feb 2017
Interview
The interview process was pretty casual. You were interviewed by a current intern, the manager and another member of the staff. It was more focused on getting to know you, your skills, your goals and such..
I applied through a recruiter. The process took 5 days. I interviewed at CH2M (New York, NY) in May 2016
Interview
Go to all types of career fairs through engineering organizations such as American Society of Civil Engineers etc. to get your foot in the door because if your resume gets around, you will be connected. Through these connections, I just had a phone interview with HR and the project manager.