Test Engineer applicants have rated the interview process at Northrop Grumman with 2.9 out of 5 (where 5 is the highest level of difficulty) and assessed their interview experience as 89% positive. To compare, the company-average is 74.1% positive. This is according to Glassdoor user ratings.
Candidates applying for Test Engineer roles take an average of 53 days to get hired, when considering 11 user submitted interviews for this role. To compare, the hiring process at Northrop Grumman overall takes an average of 32 days.
Common stages of the interview process at Northrop Grumman as a Test Engineer according to 11 Glassdoor interviews include:
One on one interview: 21%
Group panel interview: 21%
Background check: 17%
Drug test: 14%
Phone interview: 14%
Skills test: 7%
Other: 3%
Presentation: 3%
Here are the most commonly searched roles for interview reports -
I applied online. I interviewed at Northrop Grumman (Salt Lake City, UT) in Jun 2026
Interview
Starts off with get to know you questions and your top 3 skills. Then proceed into problem solving questions which took up almost the whole interview. Some behavioral questions thrown in the mixed as well.
I applied through other source. I interviewed at Northrop Grumman (Los Angeles, CA) in Oct 2023
Interview
Went to a conference, they did a 30min interview and then I received an on the spot job offer at the conference. It was a rewarding experience, they had an offer party at this conference and people were networking.
I applied online. The process took 4 weeks. I interviewed at Northrop Grumman (San Diego, CA) in Sep 2017
Interview
Got a called from HR a week after I submitted my application for an on-site interview.
the interview took 2 hours talking to 2 engineer and the manager all at the same time.
questions were good, reasonable and fair.
after the interview , they gave me a tour to their lab. Week after I got a call from HR to discus availability and the salary and 10 days after I got a call with an offer.
Interview questions [1]
Question 1
RF related such as S-pra , modulations , EVM , PER as well as networking protocol and also things like JTAG , SPI , I2C. also past experience and everything on your resume