I applied for the position via a recruitment agency. Stage 1: of the process was to complete and submit a Python Coding Test comprising three questions, q1) Several Regular Expression Tasks, q2) A file and data search problem, q3) Write a parser which will accept any date/time conforming to the ISO 8601 standard. Stage 2: This was a telephone Interview with the hiring manager lasting about an hour for me. General discussion around my CV, with questions clarifying specific details of experience. Stage 3: A face to face interview on site: This lasted about 3.5 hours starting with an interview with the hiring manager and another Test manager. This section covered my CV in a little more detail, some problem solving tasks and write a test plan for a vending machine. The second section was a technical interview with two engineers. This took the form of explaining my coding test, and answering some spot questions. I was then asked to interpret a BASH script and a Perl script, and finally covered some networking questions including explain the difference between IPv4 and IPv6. Thirdly a half hour section with HR followed by a facility tour.