The recruter contact me over LinkIn and we've spoke about the position and some few basic questions in order to see if you are qualified . After that an interview with 2 team leaders with more deep in question mostly about networking and ciber security (firewalls/ how do they work and different types). After you pass your first interview , you get another one with the manager and the team leader of the project you will be assigned to where you mostly talk about yourself and also a new round of questions (keep in mind that some questions may be the same as the first interview (so if you did not know a question at the first one you may have a chance at the secound interview). The interview is easy in my oppinion ( for me it was a a bit harder as i was not working in the field ).

First, through a recruiter, phone interview (screening). Then another a phone interview with an HR person there very similar to the screening. In both interviews your basic knowledge is tested in Networking, Security and Linux. I finally had an official interview with the folks there.