The process took 4 days. I interviewed at ADT (Hazelwood, MO) in Apr 2009
Interview
The interview was very long but people were very nice and friendly.
Personality questions by managers and technical questions by Sr engineers were asked and it took me more than 4 hours to finish the who interview.
The process took 3 weeks. I interviewed at ADT (London, England) in Sep 2020
Interview
Contacted by a head hunter. The process was smooth. All interviewers were friendly. I was given a tour of the facility. These guys are doing very interesting things. In the end I did not get the offer.
Interview questions [1]
Question 1
Tell me about yourself?
The programming languages used
I applied through university. I interviewed at ADT (Boca Raton, FL)
Interview
Simple and straight forward. First person asks personality question then second person asks about technical. The first interview is to get a feel of how you fit in. The second interview is more of what you know (technical)
I applied through university. The process took 1 day. I interviewed at ADT (Sunbury, England) in Mar 2015
Interview
Got there in the morning at 9am.
Had a tour of the offices in Sunbury-on-Thames.
Was then given a written test with 3 questions to answer.
The questions were fairly challenging.
The staff was really friendly and showed passion in what they were doing.