I interviewed at Northrop Grumman (Los Angeles, CA)
Interview
It was super easy, just study basic principles. They will ask you a lot about your resume so have that on hand. Also, be familiar with some problem solving tactics, they asked me about that.
I interviewed at Northrop Grumman (Rolling Meadows, IL)
Interview
4 senior engineers asked a series of behavioral and technical questions. Questions came from a bank, most were pretty standard for the position. Topics included data structures, algorithms, and databases.
I interviewed at Northrop Grumman (Woodland Hills, CA)
Interview
Recruiter screen + 1 final round with behavioral and very limited technical questions. Did not delve deep into my experience or into any technical discussion. In the end I received a rejection a week after the interview.