I applied through an employee referral. The process took 3 months. I interviewed at Télam (Buenos Aires) in Feb 2016
Interview
There's no interview, but you have to get in by "concurso".
All of these processes are tied. You know who's going to win before beginning.
If you don't know someone inside, don't even try.
Interview questions [1]
Question 1
Questions are not important as they don't define what happens