I applied online. The process took 1 day. I interviewed at Prüftechnik (Wrocław) in Jan 2016
Interview
Written test about condition monitoring and digital signal processing related knowledge. Next about 2h conversation which included: check does CV content match real skills, question about past personal projects, about education, plans for self-development, and small-talk in English.
Interview questions [1]
Question 1
Test with big accent on DSP related knowledge and testing. Machine conditioning related questions, although not obligatory. Programming and analytical thinking questions. Big emphasis on verification everything from CV.