It was good. There was an initial phone screening followed by onsite interview which had 4 rounds including group discussion, aptitude test, team lead interview and manager interview. It was a good experience overall.
I applied through a staffing agency. The process took 6 weeks. I interviewed at GTT (Belfast, Northern Ireland) in Jan 2017
Interview
Three long technical interviews. I felt the 3rd interview was overkill. Job was sold as mostly technical but it ending up being mainly admin. The offer came quickly after final interview.
I applied through a staffing agency. I interviewed at GTT (Austin, TX) in Jun 2016
Interview
they call you for a face to face interview, ask you tech questions, then it's radio silence for at least a month. you get asked general networking and bgp type questions and they really dont care what your answer is
Interview questions [1]
Question 1
what is your greatest accomplishment outside of work